6k8u

Crystal structure of C-domain with NADP of baterial malonyl-CoA reductase

spinqualitylabelsall models 6k8u, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6k8u is a 2 chain structure with sequence from Erythrobacter dokdonensis DSW-74. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2Å Ligands: GOL, NAP, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A0A1A7BFR5_9SPHN Publication Abstract from PubMed The bi-functional malonyl-CoA reductase is a key enzyme of the 3-hydroxypropionate bi-cycle for bacterial CO2 fixation, catalysing the reduction of malonyl-CoA to malonate semialdehyde and further reduction to 3-hydroxypropionate. Here, we report the crystal structure and the full-length architecture of malonyl-CoA reductase from Porphyrobacter dokdonensis. The malonyl-CoA reductase monomer of 1230 amino acids consists of four tandemly arranged short-chain dehydrogenases/reductases, with two catalytic and two non-catalytic short-chain dehydrogenases/reductases, and forms a homodimer through paring contact of two malonyl-CoA reductase monomers. The complex structures with its cofactors and substrates revealed that the malonyl-CoA substrate site is formed by the cooperation of two short-chain dehydrogenases/reductases and one novel extra domain, while only one catalytic short-chain dehydrogenase/reductase contributes to the formation of the malonic semialdehyde-binding site. The phylogenetic and structural analyses also suggest that the bacterial bi-functional malonyl-CoA has a structural origin that is completely different from the archaeal mono-functional malonyl-CoA and malonic semialdehyde reductase, and thereby constitute an efficient enzyme. Structural insight into bi-functional malonyl-CoA reductase.,Son HF, Kim S, Seo H, Hong J, Lee D, Jin KS, Park S, Kim KJ Environ Microbiol. 2020 Feb;22(2):752-765. doi: 10.1111/1462-2920.14885. Epub, 2019 Dec 20. PMID:31814251 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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