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Allen PW, Cook JA, Colquhoun AN, Sorin EJ, Tapavicza E, Schwans JP. Energetically unfavorable protein angles: Exploration of a conserved dihedral angle in triosephosphate isomerase. Biopolymers 2022; 113:e23525. [DOI: 10.1002/bip.23525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Patrick W. Allen
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
| | - Jordan A. Cook
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
| | - Anh N. Colquhoun
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
| | - Eric J. Sorin
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
| | - Enrico Tapavicza
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
| | - Jason P. Schwans
- Department of Chemistry and Biochemistry California State University Long Beach Long Beach California USA
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Virtual Screening of FDA-Approved Drugs against Triose Phosphate Isomerase from Entamoeba histolytica and Giardia lamblia Identifies Inhibitors of Their Trophozoite Growth Phase. Int J Mol Sci 2021; 22:ijms22115943. [PMID: 34073021 PMCID: PMC8198924 DOI: 10.3390/ijms22115943] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/15/2021] [Accepted: 05/28/2021] [Indexed: 12/26/2022] Open
Abstract
Infectious diseases caused by intestinal protozoan, such as Entamoeba histolytica (E. histolytica) and Giardia lamblia (G. lamblia) are a worldwide public health issue. They affect more than 70 million people every year. They colonize intestines causing primarily diarrhea; nevertheless, these infections can lead to more serious complications. The treatment of choice, metronidazole, is in doubt due to adverse effects and resistance. Therefore, there is a need for new compounds against these parasites. In this work, a structure-based virtual screening of FDA-approved drugs was performed to identify compounds with antiprotozoal activity. The glycolytic enzyme triosephosphate isomerase, present in both E. histolytica and G. lamblia, was used as the drug target. The compounds with the best average docking score on both structures were selected for the in vitro evaluation. Three compounds, chlorhexidine, tolcapone, and imatinib, were capable of inhibit growth on G. lamblia trophozoites (0.05–4.935 μg/mL), while folic acid showed activity against E. histolytica (0.186 μg/mL) and G. lamblia (5.342 μg/mL).
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Gao W, Xu Y, Chen T, Du Z, Liu X, Hu Z, Wei D, Gao C, Zhang W, Li Q. Targeting oxidative pentose phosphate pathway prevents recurrence in mutant Kras colorectal carcinomas. PLoS Biol 2019; 17:e3000425. [PMID: 31461438 PMCID: PMC6736310 DOI: 10.1371/journal.pbio.3000425] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 09/10/2019] [Accepted: 08/09/2019] [Indexed: 12/17/2022] Open
Abstract
Recurrent tumors originate from cancer stem cells (CSCs) that survive conventional treatments. CSCs consist of heterogeneous subpopulations that display distinct sensitivity to anticancer drugs. Such a heterogeneity presents a significant challenge in preventing tumor recurrence. In the current study, we observed that quiescent CUB-domain–containing protein 1 (CDCP1)+ CSCs are enriched after chemotherapy in mutant Kirsten rat sarcoma viral oncogene homolog (Kras) colorectal carcinomas (CRCs) and serve as a reservoir for recurrence. Mechanistically, glucose catabolism in CDCP1+ CSCs is routed to the oxidative pentose phosphate pathway (PPP); multiple cycling of carbon backbones in the oxidative PPP potentially maximizes NADPH reduction to counteract chemotherapy-induced reactive oxygen species (ROS) formation, thereby allowing CDCP1+ CSCs to survive chemotherapeutic attack. This is dependent on silent mating type information regulation 2 homolog 5 (Sirt5)-mediated inhibition of the glycolytic enzyme triosephosphate isomerase (TPI) through demalonylation of Lys56. Blocking demalonylation of TPI at Lys56 increases chemosensitivity of CDCP1+ CSCSs and delays recurrence of mutant Kras CRCs in vivo. These findings pinpoint a new therapeutic approach for combating mutant Kras CRCs. This study shows that CDCP1-positive cancer stem cells represent a critical driving force behind tumor relapse in colorectal tumors that have mutant Kras and reveals a unique role for the oxidative pentose phosphate pathway in this process.
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Affiliation(s)
- WenChao Gao
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of General Surgery, ChangZheng Hospital, Second Military Medical University, Shanghai, China
| | - YuTing Xu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Tao Chen
- Endoscopy Center, ZhongShan Hospital, Fudan University, Shanghai, China
| | - ZunGuo Du
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Pathology, HuaShan Hospital, Fudan University, Shanghai, China
| | - XiuJuan Liu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Pathology, HuaShan Hospital, Fudan University, Shanghai, China
| | - ZhiQian Hu
- Department of General Surgery, ChangZheng Hospital, Second Military Medical University, Shanghai, China
| | - Dong Wei
- Department of Anus and Intestine Surgery, PLA Central Hospital 150, Luoyang, China
| | - ChunFang Gao
- Department of Anus and Intestine Surgery, PLA Central Hospital 150, Luoyang, China
| | - Wei Zhang
- Department of Cancer Biology, Cancer Center of Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, United States of America
| | - QingQuan Li
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- * E-mail:
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Schulte‐Sasse M, Pardo‐Ávila F, Pulido‐Mayoral NO, Vázquez‐Lobo A, Costas M, García‐Hernández E, Rodríguez‐Romero A, Fernández‐Velasco DA. Structural, thermodynamic and catalytic characterization of an ancestral triosephosphate isomerase reveal early evolutionary coupling between monomer association and function. FEBS J 2019; 286:882-900. [DOI: 10.1111/febs.14741] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 11/01/2018] [Accepted: 12/23/2018] [Indexed: 01/06/2023]
Affiliation(s)
- Mariana Schulte‐Sasse
- Laboratorio de Fisicoquímica e Ingeniería de Proteínas Departamento de Bioquímica Facultad de Medicina Universidad Nacional Autónoma de México Mexico
| | - Fátima Pardo‐Ávila
- Laboratorio de Fisicoquímica e Ingeniería de Proteínas Departamento de Bioquímica Facultad de Medicina Universidad Nacional Autónoma de México Mexico
| | - Nancy O. Pulido‐Mayoral
- Laboratorio de Fisicoquímica e Ingeniería de Proteínas Departamento de Bioquímica Facultad de Medicina Universidad Nacional Autónoma de México Mexico
| | - Alejandra Vázquez‐Lobo
- Centro de Investigación en Biodiversidad y Conservación Universidad Autónoma del Estado de Morelos Cuernavaca Mexico
| | - Miguel Costas
- Laboratorio de Biofisicoquímica Departamento de Fisicoquímica Facultad de Química Universidad Nacional Autónoma de México Mexico
| | | | | | - Daniel Alejandro Fernández‐Velasco
- Laboratorio de Fisicoquímica e Ingeniería de Proteínas Departamento de Bioquímica Facultad de Medicina Universidad Nacional Autónoma de México Mexico
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Tseng WC, Chen CN, Hsu CT, Lee HC, Fang HY, Wang MJ, Wu YH, Fang TY. Characterization of a recombinant d-allulose 3-epimerase from Agrobacterium sp. ATCC 31749 and identification of an important interfacial residue. Int J Biol Macromol 2018; 112:767-774. [PMID: 29427680 DOI: 10.1016/j.ijbiomac.2018.02.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 02/05/2018] [Accepted: 02/07/2018] [Indexed: 12/01/2022]
Abstract
d-Allulose 3-epimerase (DAEase) catalyzes the epimerization between d-fructose and d-allulose. We had PCR-cloned and overexpressed the gene encoding Agrobacterium sp. ATCC 31749 DAEase (AsDAEase) in Escherichia coli. A high yield of active AsDAEase, 35,300U/L or 1350U/g of wet cells, was acquired with isopropyl β-d-1-thiogalactopyranoside induction at 20°C for 20h. Although only six residues including residue 234 located in tetrameric interface are different between AsDAEase and A. tumefaciens DAEase (AtDAEase), the specific activity of purified AsDAEase is much larger than that of AtDAEase. The optimal pHs and optimal temperatures of the purified recombinant AsDAEase are 7.5-8.0 and 55-60°C, respectively. The half-life of the enzyme is 267min at 55°C in the presence of 0.1mM Co2+, and the equilibrium ratio between d-allulose and d-fructose is 30:70 at 55°C. Besides characterizing AsDAEase, mutation N234D was constructed to assess its influence on activity. The specific activity of the purified N234D AsDAEase is only 25.5% of wild-type's activity, suggesting residue N234 is an important interfacial residue which substantially affects enzyme activity. The high specific activity and high expression yield of AsDAEase suggest its prospect to be applied in d-allulose production.
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Affiliation(s)
- Wen-Chi Tseng
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.
| | - Chao-Nan Chen
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Chung-Ting Hsu
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Hsu-Chieh Lee
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Hong-Yi Fang
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Ming-Jun Wang
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Yi-Hung Wu
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Tsuei-Yun Fang
- Department of Food Science, Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
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Jimenez-Sandoval P, Vique-Sanchez JL, Hidalgo ML, Velazquez-Juarez G, Diaz-Quezada C, Arroyo-Navarro LF, Moran GM, Fattori J, Jessica Diaz-Salazar A, Rudiño-Pinera E, Sotelo-Mundo R, Figueira ACM, Lara-Gonzalez S, Benítez-Cardoza CG, Brieba LG. A competent catalytic active site is necessary for substrate induced dimer assembly in triosephosphate isomerase. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2017; 1865:1423-1432. [DOI: 10.1016/j.bbapap.2017.07.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 07/07/2017] [Accepted: 07/24/2017] [Indexed: 11/30/2022]
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Olivares-Illana V, Riveros-Rosas H, Cabrera N, Tuena de Gómez-Puyou M, Pérez-Montfort R, Costas M, Gómez-Puyou A. A guide to the effects of a large portion of the residues of triosephosphate isomerase on catalysis, stability, druggability, and human disease. Proteins 2017; 85:1190-1211. [PMID: 28378917 DOI: 10.1002/prot.25299] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 03/14/2017] [Accepted: 03/27/2017] [Indexed: 12/11/2022]
Abstract
Triosephosphate isomerase (TIM) is a ubiquitous enzyme, which appeared early in evolution. TIM is responsible for obtaining net ATP from glycolysis and producing an extra pyruvate molecule for each glucose molecule, under aerobic and anaerobic conditions. It is placed in a metabolic crossroad that allows a quick balance of the triose phosphate aldolase produced by glycolysis, and is also linked to lipid metabolism through the alternation of glycerol-3-phosphate and the pentose cycle. TIM is one of the most studied enzymes with more than 199 structures deposited in the PDB. The interest for this enzyme stems from the fact that it is involved in glycolysis, but also in aging, human diseases and metabolism. TIM has been a target in the search for chemical compounds against infectious diseases and is a model to study catalytic features. Until February 2017, 62% of all residues of the protein have been studied by mutagenesis and/or using other approaches. Here, we present a detailed and comprehensive recompilation of the reported effects on TIM catalysis, stability, druggability and human disease produced by each of the amino acids studied, contributing to a better understanding of the properties of this fundamental protein. The information reviewed here shows that the role of the noncatalytic residues depend on their molecular context, the delicate balance between the short and long-range interactions in concerted action determining the properties of the protein. Each protein should be regarded as a unique entity that has evolved to be functional in the organism to which it belongs. Proteins 2017; 85:1190-1211. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Vanesa Olivares-Illana
- Laboratorio de Interacciones Biomoleculares y Cáncer. Instituto de Física, Universidad Autónoma de San Luis Potosí, SLP, 78290, México
| | - Hector Riveros-Rosas
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
| | - Nallely Cabrera
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
| | - Marietta Tuena de Gómez-Puyou
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
| | - Ruy Pérez-Montfort
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
| | - Miguel Costas
- Laboratorio de Biofisicoquímica, Departamento de Fisicoquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
| | - Armando Gómez-Puyou
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, 04510, México
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Bhatt JM, Viktorova EG, Busby T, Wyrozumska P, Newman LE, Lin H, Lee E, Wright J, Belov GA, Kahn RA, Sztul E. Oligomerization of the Sec7 domain Arf guanine nucleotide exchange factor GBF1 is dispensable for Golgi localization and function but regulates degradation. Am J Physiol Cell Physiol 2015; 310:C456-69. [PMID: 26718629 DOI: 10.1152/ajpcell.00185.2015] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 12/14/2015] [Indexed: 12/15/2022]
Abstract
Members of the large Sec7 domain-containing Arf guanine nucleotide exchange factor (GEF) family have been shown to dimerize through their NH2-terminal dimerization and cyclophilin binding (DCB) and homology upstream of Sec7 (HUS) domains. However, the importance of dimerization in GEF localization and function has not been assessed. We generated a GBF1 mutant (91/130) in which two residues required for oligomerization (K91 and E130 within the DCB domain) were replaced with A and assessed the effects of these mutations on GBF1 localization and cellular functions. We show that 91/130 is compromised in oligomerization but that it targets to the Golgi in a manner indistinguishable from wild-type GBF1 and that it rapidly exchanges between the cytosolic and membrane-bound pools. The 91/130 mutant appears active as it integrates within the functional network at the Golgi, supports Arf activation and COPI recruitment, and sustains Golgi homeostasis and cargo secretion when provided as a sole copy of functional GBF1 in cells. In addition, like wild-type GBF1, the 91/130 mutant supports poliovirus RNA replication, a process requiring GBF1 but believed to be independent of GBF1 catalytic activity. However, oligomerization appears to stabilize GBF1 in cells, and the 91/130 mutant is degraded faster than the wild-type GBF1. Our data support a model in which oligomerization is not a key regulator of GBF1 activity but impacts its function by regulating the cellular levels of GBF1.
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Affiliation(s)
- Jay M Bhatt
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ekaterina G Viktorova
- Department of Veterinary Medicine, Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland; and
| | - Theodore Busby
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Paulina Wyrozumska
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Laura E Newman
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia
| | - Helen Lin
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Eunjoo Lee
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - John Wright
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - George A Belov
- Department of Veterinary Medicine, Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland; and
| | - Richard A Kahn
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia
| | - Elizabeth Sztul
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama;
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Lara-Gonzalez S, Estrella P, Portillo C, Cruces ME, Jimenez-Sandoval P, Fattori J, Migliorini-Figueira AC, Lopez-Hidalgo M, Diaz-Quezada C, Lopez-Castillo M, Trasviña-Arenas CH, Sanchez-Sandoval E, Gómez-Puyou A, Ortega-Lopez J, Arroyo R, Benítez-Cardoza CG, Brieba LG. Substrate-Induced Dimerization of Engineered Monomeric Variants of Triosephosphate Isomerase from Trichomonas vaginalis. PLoS One 2015; 10:e0141747. [PMID: 26618356 PMCID: PMC4664265 DOI: 10.1371/journal.pone.0141747] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 10/11/2015] [Indexed: 11/29/2022] Open
Abstract
The dimeric nature of triosephosphate isomerases (TIMs) is maintained by an extensive surface area interface of more than 1600 Å2. TIMs from Trichomonas vaginalis (TvTIM) are held in their dimeric state by two mechanisms: a ball and socket interaction of residue 45 of one subunit that fits into the hydrophobic pocket of the complementary subunit and by swapping of loop 3 between subunits. TvTIMs differ from other TIMs in their unfolding energetics. In TvTIMs the energy necessary to unfold a monomer is greater than the energy necessary to dissociate the dimer. Herein we found that the character of residue I45 controls the dimer-monomer equilibrium in TvTIMs. Unfolding experiments employing monomeric and dimeric mutants led us to conclude that dimeric TvTIMs unfold following a four state model denaturation process whereas monomeric TvTIMs follow a three state model. In contrast to other monomeric TIMs, monomeric variants of TvTIM1 are stable and unexpectedly one of them (I45A) is only 29-fold less active than wild-type TvTIM1. The high enzymatic activity of monomeric TvTIMs contrast with the marginal catalytic activity of diverse monomeric TIMs variants. The stability of the monomeric variants of TvTIM1 and the use of cross-linking and analytical ultracentrifugation experiments permit us to understand the differences between the catalytic activities of TvTIMs and other marginally active monomeric TIMs. As TvTIMs do not unfold upon dimer dissociation, herein we found that the high enzymatic activity of monomeric TvTIM variants is explained by the formation of catalytic dimeric competent species assisted by substrate binding.
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Affiliation(s)
- Samuel Lara-Gonzalez
- IPICYT, División de Biología Molecular, Camino a la Presa San José 2055, CP 78216, San Luis Potosí, San Luis Potosí, México
| | - Priscilla Estrella
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - Carmen Portillo
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - María E. Cruces
- Laboratorio de Investigación Bioquímica, Programa Institucional en Biomedicina Molecular ENMyH-IPN, Guillermo Massieu Helguera No. 239, La Escalera Ticoman, 07320, D.F, Mexico
| | - Pedro Jimenez-Sandoval
- Laboratorio de Investigación Bioquímica, Programa Institucional en Biomedicina Molecular ENMyH-IPN, Guillermo Massieu Helguera No. 239, La Escalera Ticoman, 07320, D.F, Mexico
| | - Juliana Fattori
- Laboratório Nacional de Biociências, Centro Nacional de Pesquisa em Energia e Materiais Campinas SP, Brazil
| | - Ana C. Migliorini-Figueira
- Laboratório Nacional de Biociências, Centro Nacional de Pesquisa em Energia e Materiais Campinas SP, Brazil
| | - Marisol Lopez-Hidalgo
- Laboratorio de Investigación Bioquímica, Programa Institucional en Biomedicina Molecular ENMyH-IPN, Guillermo Massieu Helguera No. 239, La Escalera Ticoman, 07320, D.F, Mexico
| | - Corina Diaz-Quezada
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - Margarita Lopez-Castillo
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - Carlos H. Trasviña-Arenas
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - Eugenia Sanchez-Sandoval
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
| | - Armando Gómez-Puyou
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, México
| | - Jaime Ortega-Lopez
- Departamento de Biotecnología y Bioingeniería, Centro de Investigación y de Estudios Avanzados del IPN, Col. San Pedro Zacatenco, Av. IPN, 2508, C.P. 07360, D.F., México
| | - Rossana Arroyo
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del IPN, Col. San Pedro Zacatenco, Av. IPN, 2508, C.P. 07360, D.F., México
| | - Claudia G. Benítez-Cardoza
- Laboratorio de Investigación Bioquímica, Programa Institucional en Biomedicina Molecular ENMyH-IPN, Guillermo Massieu Helguera No. 239, La Escalera Ticoman, 07320, D.F, Mexico
- * E-mail: (LGB); (CGB)
| | - Luis G. Brieba
- Laboratorio Nacional de Genómica para la Biodiversidad, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 629, CP 36500, Irapuato, Guanajuato, México
- * E-mail: (LGB); (CGB)
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10
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Bandyopadhyay D, Murthy MRN, Balaram H, Balaram P. Probing the role of highly conserved residues in triosephosphate isomerase - analysis of site specific mutants at positions 64 and 75 in thePlasmodialenzyme. FEBS J 2015. [DOI: 10.1111/febs.13384] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | | | - Hemalatha Balaram
- Molecular Biology and Genetics Unit; Jawaharlal Nehru Centre for Advanced Scientific Research; Bangalore India
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11
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Vasudev PG, Banerjee M, Ramakrishnan C, Balaram P. Asparagine and glutamine differ in their propensities to form specific side chain-backbone hydrogen bonded motifs in proteins. Proteins 2012; 80:991-1002. [PMID: 22228445 DOI: 10.1002/prot.24001] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 10/26/2011] [Accepted: 11/14/2011] [Indexed: 11/06/2022]
Abstract
Short range side chain-backbone hydrogen bonded motifs involving Asn and Gln residues have been identified from a data set of 1370 protein crystal structures (resolution ≤ 1.5 Å). Hydrogen bonds involving residues i - 5 to i + 5 have been considered. Out of 12,901 Asn residues, 3403 residues (26.4%) participate in such interactions, while out of 10,934 Gln residues, 1780 Gln residues (16.3%) are involved in these motifs. Hydrogen bonded ring sizes (C(n), where n is the number of atoms involved), directionality and internal torsion angles are used to classify motifs. The occurrence of the various motifs in the contexts of protein structure is illustrated. Distinct differences are established between the nature of motifs formed by Asn and Gln residues. For Asn, the most highly populated motifs are the C(10)(CO(δ)(i) …NH(i + 2)), C(13)(CO(δ)(i) …NH(i + 3)) and C(17)(N(δ)H(i) …CO(i - 4)) structures. In contrast, Gln predominantly forms C(16)(CO(ε)(i) …NH(i - 3)), C(12)(N(ε)H(i) …CO(i - 2)), C(15)(N(ε)H(i) …CO(i - 3)) and C(18)(N(ε)H(i) …CO(i - 4)) motifs, with only the C(18) motif being analogous to the Asn C(17) structure. Specific conformational types are established for the Asn containing motifs, which mimic backbone β-turns and α-turns. Histidine residues are shown to serve as a mimic for Asn residues in side chain-backbone hydrogen bonded ring motifs. Illustrative examples from protein structures are considered.
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Affiliation(s)
- Prema G Vasudev
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore 560012, India
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12
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Benítez-Páez A, Cárdenas-Brito S, Gutiérrez AJ. A practical guide for the computational selection of residues to be experimentally characterized in protein families. Brief Bioinform 2011; 13:329-36. [PMID: 21930656 DOI: 10.1093/bib/bbr052] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In recent years, numerous biocomputational tools have been designed to extract functional and evolutionary information from multiple sequence alignments (MSAs) of proteins and genes. Most biologists working actively on the characterization of proteins from a single or family perspective use the MSA analysis to retrieve valuable information about amino acid conservation and the functional role of residues in query protein(s). In MSAs, adjustment of alignment parameters is a key point to improve the quality of MSA output. However, this issue is frequently underestimated and/or misunderstood by scientists and there is no in-depth knowledge available in this field. This brief review focuses on biocomputational approaches complementary to MSA to help distinguish functional residues in protein families. These additional analyses involve issues ranging from phylogenetic to statistical, which address the detection of amino acids pivotal for protein function at any level. In recent years, a large number of tools has been designed for this very purpose. Using some of these relevant, useful tools, we have designed a practical pipeline to perform in silico studies with a view to improving the characterization of family proteins and their functional residues. This review-guide aims to present biologists a set of specially designed tools to study proteins. These tools are user-friendly as they use web servers or easy-to-handle applications. Such criteria are essential for this review as most of the biologists (experimentalists) working in this field are unfamiliar with these biocomputational analysis approaches.
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Affiliation(s)
- Alfonso Benítez-Páez
- Bioinformatic Analysis Group - GABi, Centro de Investigación y Desarrollo en Biotecnología, Bogotá DC, Colombia.
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Banerjee M, Balaram H, Joshi NV, Balaram P. Engineered dimer interface mutants of triosephosphate isomerase: the role of inter-subunit interactions in enzyme function and stability. Protein Eng Des Sel 2011; 24:463-72. [DOI: 10.1093/protein/gzr005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Nolan MJ, Hofmann A, Jex AR, Gasser RB. A theoretical study to establish the relationship between the three-dimensional structure of triose-phosphate isomerase of Giardia duodenalis and point mutations in the respective gene. Mol Cell Probes 2010; 24:281-5. [DOI: 10.1016/j.mcp.2010.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 06/01/2010] [Accepted: 06/03/2010] [Indexed: 11/15/2022]
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Espinoza-Fonseca LM, Wong-Ramírez C, Trujillo-Ferrara JG. Tyr74 is essential for the formation, stability and function of Plasmodium falciparum triosephosphate isomerase dimer. Arch Biochem Biophys 2010; 494:46-57. [DOI: 10.1016/j.abb.2009.11.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 11/09/2009] [Accepted: 11/09/2009] [Indexed: 10/20/2022]
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