Protein Domain : NADP-dependent oxidoreductase domain IPR023210

Type  Domain
Description  The aldo-keto reductase family includes a number of related monomeric NADPH-dependent oxidoreductases, such as aldehyde reductase, aldose reductase, prostaglandin F synthase, xylose reductase, rho crystallin, and many others [ ]. All possess a similar structure, with a β-α-β fold characteristic of nucleotide binding proteins []. The fold comprises a parallel β-8/α-8-barrel, which contains a novel NADP-binding motif. The binding site is located in a large, deep, elliptical pocket in the C-terminal end of the β-sheet, the substrate being bound in an extended conformation. The hydrophobic nature of the pocket favours aromatic and apolar substrates over highly polar ones [ ].Binding of the NADPH coenzyme causes a massive conformational change, reorienting a loop, effectively locking the coenzyme in place. This binding is more similar to FAD- than to NAD(P)-binding oxidoreductases [ ].Some proteins of this entry contain a K+ ion channel beta chain regulatory domain; these are reported to have oxidoreductase activity [ ]. This entry represents the NADP-dependent oxidoreductase domain found in these proteins.
Short Name  NADP_OxRdtase_dom

0 Child Features

22 Gene Families

1000 Genes

0 Ontology Annotations

0 Parent Features

14 Publications

USDA
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