Structure of PDB 3aeq Chain D

Receptor sequence
>3aeqD (length=419) Species: 1061 (Rhodobacter capsulatus) [Search protein sequence]
MKLTLWTYEGPPHVGAMRVATAMKDLQLVLHGPQGDTYADLLFTMIERRN
ARPPVSFSTFEASHMGTDTAILLKDALAAAHARYKPQAMAVALTCTAELL
QDDPNGISRALNLPVPVVPLELPSYSRKENYGADETFRALVRALAVPMER
TPEVTCNLLGATALGFRHRDDVAEVTKLLATMGIKVNVCAPLGASPDDLR
KLGQAHFNVLMYPETGESAARHLERACKQPFTKIVPIGVGATRDFLAEVS
KITGLPVVTDESTLRQPWWSASVDSTYLTGKRVFIFGDGTHVIAAARIAA
KEVGFEVVGMGCYNREMARPLRTAAAEYGLEALITDDYLEVEKAIEAAAP
ELILGTQMERNIAKKLGLPCAVISAPVHVQDFPARYAPQMGFEGANVLFD
TWVHPLVMGLEEHLLTMFR
3D structure
PDB3aeq X-ray crystal structure of the light-independent protochlorophyllide reductase
ChainD
Resolution2.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C95 L99
Catalytic site (residue number reindexed from 1) C95 L99
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 PMR D Y38 L41 L42 M45 Y38 L41 L42 M45
BS02 SF4 D G35 D36 G35 D36
BS03 PMR D M408 G409 L410 H413 M408 G409 L410 H413
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
GO:0046148 pigment 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
UniProtP26163|BCHB_RHOCB Light-independent protochlorophyllide reductase subunit B (Gene Name=bchB)

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