Structure of PDB 7qqa Chain B

Receptor sequence
>7qqaB (length=271) Species: 354 (Azotobacter vinelandii) [Search protein sequence]
TRKVAIYGKGGIGKSTTTQNTAAALAYFHDKKVFIHGCDPKADSTRLILG
GKPQETLMDMLRDKGAEKITNDDVIKKGFLDIQCVESGGPEPGVGCAGRG
VITAIDLMEENGAYTDDLDFVFFDVLGDVVCGGFAMPIRDGKAQEVYIVA
SGEMMAIYAANNICKGLVKYAKQSGVRLGGIICNSRKVDGEREFLEEFTA
AIGTKMIHFVPRDNIVQKAEFNKKTVTEFAPEENQAKEYGELARKIIEND
EFVIPKPLTMDQLEDMVVKYG
3D structure
PDB7qqa MgADP-bound Fe protein of the iron-only nitrogenase from Azotobacter vinelandii
ChainB
Resolution1.79 Å
3D
structure
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Enzymatic activity
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 SF4 B C97 C132 G133 F135 C96 C131 G132 F134
BS02 ADP B G12 I13 G14 K15 S16 T17 N185 R213 D214 V217 Q218 E221 G11 I12 G13 K14 S15 T16 N184 R212 D213 V216 Q217 E220
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016163 nitrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009399 nitrogen fixation

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Molecular Function
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Biological Process
External links
PDB RCSB:7qqa, PDBe:7qqa, PDBj:7qqa
PDBsum7qqa
PubMed
UniProtC1DK95

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