Structure of PDB 3x1n Chain A

Receptor sequence
>3x1nA (length=298) Species: 420246 (Geobacillus thermodenitrificans NG80-2) [Search protein sequence]
IAAHKGVNQAPVPLKMERVGPHDVHIEMTAQITDIEIDKGKIYKAWTFNG
QAPGPLVVVNEGDTIHFTLKNMDPVVPHSMDFHAVHASPSKDFIDVMPNK
SGTFTYPANKPGVFMYHAGTKPVLQHIANGMHGVIIVKPKNGYPTDKEVD
REYVLIQNEWYKYNDMNDFQNGVPSYVVFSSKALKPGDPNTNGDTFTLKE
KPLLAKVGEKIRLYINNVGPNEVSSFHVVGTVFDDVYLDGNPNNHLQGMQ
TVMLPASGGAVVEFTVTRPGTYPIVTHQFNHAQKGAVAMLKVTETGED
3D structure
PDB3x1n High-temperature and high-resolution crystallography of thermostable copper nitrite reductase.
ChainA
Resolution1.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H95 D98 H100 H134 A135 H143 M148 H244 Q267 T268 H294
Catalytic site (residue number reindexed from 1) H78 D81 H83 H117 A118 H126 M131 H227 Q250 T251 H277
Enzyme Commision number 1.7.2.1: nitrite reductase (NO-forming).
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 CU A H95 H143 M148 H78 H126 M131
BS02 CU A H100 H134 H83 H117
BS03 CU A H42 H83 H25 H66
BS04 NO2 A D98 H100 H134 D81 H83 H117
BS05 NO2 A H42 H83 H25 H66
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0016491 oxidoreductase activity
GO:0050421 nitrite reductase (NO-forming) activity

View graph for
Molecular Function
External links
PDB RCSB:3x1n, PDBe:3x1n, PDBj:3x1n
PDBsum3x1n
PubMed25563214
UniProtA4IL26

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