Structure of PDB 1xd9 Chain B

Receptor sequence
>1xd9B (length=289) Species: 354 (Azotobacter vinelandii) [Search protein sequence]
AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCNPKADSTRLILH
SKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGR
GVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIV
CSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALA
NKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDN
KLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV
3D structure
PDB1xd9 Structural and biochemical implications of single amino acid substitutions in the nucleotide-dependent switch regions of the nitrogenase Fe protein from Azotobacter vinelandii
ChainB
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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 SF4 B C97 A98 C132 G134 C97 A98 C132 G134
BS02 MG B S16 D43 S16 D43
BS03 ADP B G12 G14 K15 S16 T17 N185 P212 R213 D214 E221 G12 G14 K15 S16 T17 N185 P212 R213 D214 E221
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1xd9, PDBe:1xd9, PDBj:1xd9
PDBsum1xd9
PubMed15549494
UniProtP00459|NIFH1_AZOVI Nitrogenase iron protein 1 (Gene Name=nifH1)

[Back to BioLiP]