Structure of PDB 1xcp Chain B

Receptor sequence
>1xcpB (length=289) Species: 354 (Azotobacter vinelandii) [Search protein sequence]
AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILH
SKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGR
GVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGWAMPIRENKAQEIYIV
CSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALA
NKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDN
KLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV
3D structure
PDB1xcp Structural basis for the changes in redox potential in the nitrogenase Phe135Trp Fe protein with MgADP Bound
ChainB
Resolution3.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K10 K15 K41 D129
Catalytic site (residue number reindexed from 1) K10 K15 K41 D129
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 MG B D39 D43 D39 D43
BS02 SF4 B C97 A98 C132 G134 C97 A98 C132 G134
BS03 ADP B G12 G14 K15 S16 T17 N185 P212 R213 D214 V217 G12 G14 K15 S16 T17 N185 P212 R213 D214 V217
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:1xcp, PDBe:1xcp, PDBj:1xcp
PDBsum1xcp
PubMed15650336
UniProtP00459|NIFH1_AZOVI Nitrogenase iron protein 1 (Gene Name=nifH1)

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