SGD Paper 
Zhang Y, et al. (2013) Structural insights into cofactor recognition of yeast mitochondria 3-oxoacyl-ACP reductase OAR1. IUBMB Life 65(2):154-62
Abstract: 3-Oxoacyl-(acyl-carrier-protein) reductase (OAR1 or FabG, EC.1.1.1.100) is responsible for the first reductive step in fatty acid biosynthesis using Nicotinamide Adenine Dinucleotide Phosphate (NADPH) as a cofactor. Recent studies suggest there is a fatty acid synthetase II pathway that consists of a series of separate enzymes in yeast mitochondrion. Here, we present the crystal structure of the yeast mitochondria OAR1 (ymtOAR1) alone in apo-form at 2.60 A and complexed with NADPH at 2.10 A resolution. Unlike the reported tetrameric OARs, ymtOAR1 forms a homodimer due to the different fold. The enzyme generates conformational changes upon NADPH binding to the active site. Moreover, two different cofactor-binding patterns are observed from two forms of complex crystals, and structural analysis implies the adenine end of cofactor may recognize enzyme prior to nicotinaminde end. Additionally, biochemical studies suggest Arg14 is important for cofactor recognition of ymtOAR1. (c) 2013 IUBMB Life, 65(2)154-162, 2013.
| Status: Published | Type: Journal Article | PubMed ID: 23300157 |
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| Topics | Genes linked to topics |
|---|---|
| OAR1 | |
| Primary Literature |  |
