Structure of PDB 3aeq Chain A

Receptor sequence
>3aeqA (length=415) Species: 1061 (Rhodobacter capsulatus) [Search protein sequence]
TFGCTDSPVRRERGQKAVFCGLTSIVWLHRKMQDAFFLVVGSRTCAHLLQ
AAAGVMIFAEPRFGTAVLEEQDLAGLADAHKELDREVAKLLERRPDIRQL
FLVGSCPSEVLKLDLDRAAERLSGLHAPHVRVYSYTGSGLDTTFTQGEDT
CLAAMVPTLDTTEAAELIVVGALPDVVEDQCLSLLTQLGVGPVRMLPARR
SDIEPAVGPNTRFILAQPFLGETTGALERRGAKRIAAPFPFGEEGTTLWL
KAVADAYGVSAEKFEAVTAAPRARAKKAIAAHLETLTGKSLFMFPDSQLE
IPLARFLARECGMKTTEIATPFLHKAIMAPDLALLPSNTALTEGQDLEAQ
LDRHEAINPDLTVCGLGLANPLEAKGHATKWAIELVFTPVHFYEQAGDLA
GLFSRPLRRRALLNG
3D structure
PDB3aeq X-ray crystal structure of the light-independent protochlorophyllide reductase
ChainA
Resolution2.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.3.7.7: ferredoxin:protochlorophyllide reductase (ATP-dependent).
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 SF4 A C26 L28 T50 C51 S111 C112 G145 C20 L22 T44 C45 S105 C106 G139
BS02 PMR A F25 V32 A57 A58 W387 I389 F393 F19 V26 A51 A52 W381 I383 F387
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016491 oxidoreductase activity
GO:0016636 oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor
GO:0016730 oxidoreductase activity, acting on iron-sulfur proteins as donors
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
GO:0015995 chlorophyll biosynthetic process
GO:0019685 photosynthesis, dark reaction
GO:0030494 bacteriochlorophyll biosynthetic process
GO:0036070 light-independent bacteriochlorophyll biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:3aeq, PDBe:3aeq, PDBj:3aeq
PDBsum3aeq
PubMed20400946
UniProtP26164|BCHN_RHOCB Light-independent protochlorophyllide reductase subunit N (Gene Name=bchN)

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