Structure of PDB 7aiz Chain B

Receptor sequence
>7aizB (length=464) Species: 354 (Azotobacter vinelandii) [Search protein sequence]
AEVKLSPRDREGIINPMYDCQPAGAQYAGIGIKDCIPLVHGGQGCTMFVR
LLFAQHFKENFDVASTSLHEESAVFGGAKRVEEGVLVLARRYPNLRVIPI
ITTCSTEVIGDDIEGSIRVCNRALEAEFPDRKIYLAPVHTPSFKGSHVTG
YAECVKSVFKTITDAHGKGQPSGKLNVFPGWVNPGDVVLLKRYFKEMDVE
ANIYMDTEDFDSPMLPNKSIETHGRTTVEDIADSANALATLSLARYEGNT
TGELLQKTFAVPNALVNTPYGIKNTDDMLRKIAEVTGKEIPESLVRERGI
ALDALADLAHMFFANKKVAIFGHPDLVLGLAQFCMEVELEPVLLLIGDDQ
GNKYKKDPRIEELKNTAHFDIEIVHNADLWELEKRINAGLQLDLIMGHSK
GRYVAIEANIPMVRVGFPTFDRAGLYRKPSIGYQGAMELGEMIANAMFAH
MEYTRNKEWILNTW
3D structure
PDB7aiz Two ligand-binding sites in CO-reducing V nitrogenase reveal a general mechanistic principle.
ChainB
Resolution1.05 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C115 V119
Catalytic site (residue number reindexed from 1) C104 V108
Enzyme Commision number 1.18.6.1: nitrogenase.
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 CLF B C31 G53 G55 C56 F59 T114 C115 S153 C20 G42 G44 C45 F48 T103 C104 S142
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016163 nitrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
Biological Process
GO:0009399 nitrogen fixation
Cellular Component
GO:0016613 vanadium-iron nitrogenase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7aiz, PDBe:7aiz, PDBj:7aiz
PDBsum7aiz
PubMed34049880
UniProtP16856|VNFK_AZOVI Nitrogenase vanadium-iron protein beta chain (Gene Name=vnfK)

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