In silico analysis and characterization of fresh water ﬁ sh ATPases and homology modelling

Rumpi Ghosh, AD Upadhayay and AK Roy* Bioinformatics Centre, College of Fisheries, CAU(I), Lembucherra, Tripura, India

ABSTRACT

ATPases is known to be a crucial in many biological activities of organisms. In this study, physicochemical properties and modeling of ATPases protein of ﬁsh was analysed using In silico approach. ATPases a protein selected from ﬁsh species, including Gold ﬁsh (Carassius auratus auratus), Zebra ﬁsh (Hypancistrus zebra), White ﬁshes (Coregonus autumnalis), Grass carp (Ctenopharyngodon idella) and Anabas testudineus (Koi) were used in this study. Physicochemical characteristics showed with molecular weight (25045.58-25148.57Da), theoretical isoelectric point (9.30-9.97), extinction coefﬁcient(26470-34950), aliphatic index(147.31-150.35), instability index(32.84-42.67), total number of negatively charged residues and positively charged residues (5/7-6/8), and grand average of hydropathicity (1.014-1.151) were computed. All proteins were classiﬁed as transmembrane proteins. In secondary structure prediction, all proteins were composed of random coils as predominant, followed by extended strands, alpha helix and beta turn. Three dimensional structure of protein were predicted and veriﬁed as good structures. All model structures were evaluated being accepted and reliable based on structural evaluation and stereo chemical analysis.

Ghosh R, Upadhayay AD, Roy AK. In silico analysis and characterization of fresh water ﬁsh ATPases and homology modelling. Ann Proteom Bioinform. 2017; 1: 018-024

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