In silico structural and phylogenetic analysis of glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in domestic animals
2019
Sahoo, P.R. | Mishra, S.R. | Mohapatra, S. | Sahu, Santoswini | Sahoo, G. | Behera, P.C.
This study has been able to determine the physiochemical properties, secondary and tertiary structure and phylogenetic analysis of GAPDH among domestic animals under in silico platform. Eighteen nucleotide and protein sequence of GAPDH gene of different mammalian species were retrieved from National Centre for Biotechnology information (NCBI). The percentage of identity and similarity was done by Basic Local Alignment Search Tool (BLAST), physiochemical properties were analyzed by ExPASy”s Prot Param tool, the secondary and 3-D structure waspredicted by GORIV and Swiss modeling respectively. Phylogenetic analysis among the animals was done by Molecular Evolutionary Genetics Analysis. It was found that the percentage of identity and similarity among all animals were almost more than 90%. The physiochemical analysis showed this protein is very stable, hydrophilic and intracytoplasmic in nature. The secondary structure analysis showed that GAPDH has more number of random coil (49.85%) Extended strand (27.93%), alpha helix (22.22%) of the protein. The QMEAN Z score was found 0.33 under protein modeling which interfered that this protein is of comparable quality. The phylogenetic analysis of this gene showed that the highest time of divergence occurred between sheep and common chimpanzee but least time of divergence observed between killer whale and dolphin. So it can be concluded that the GAPDH gene is highly conserved along all animal species.
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