作者
Veda Krishnan, Priyanka Jain, T Vinutha, Alkesh Hada, M Manickavasagam, A Ganapathi, Raj D Rai, Archana Sachdev
发表日期
2015/9
期刊
Plant Omics
卷号
8
期号
5
页码范围
381-391
简介
Inositol (1, 3, 4) tris 5/6 kinase ('Itpk') is a key player in lipid-independent pathway of phytate biosynthesis. In this study, the full length coding sequence of 'Gmitpk'1 was cloned and blasted to retrieve the available inositol phosphate kinases (ipks) from the public domain. Sequence analysis of the selected 18 plant kinases revealed a consensus 'ATP-grasp' domain. Secondary structure predictions showed high alpha helix content (80.02%) which justified the structural flexibility as well as the versatility of these kinases. Homology modelling of the 'Gm'itpk1 performed using the template crystal structure of inositol tetrakisphosphate-1-kinase (2q7d.1.A) from 'Homo sapiens' revealed the presence of N and C-terminal domains with a mixed alpha/beta topology having an active site located in the deep cleft between the domains. The model was further refined using intrinsic dynamic tools like ProSA, Verify3D, WEBnm and …
引用总数
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