Structure of PDB 4ysr Chain A

Receptor sequence
>4ysrA (length=295) Species: 420246 (Geobacillus thermodenitrificans NG80-2) [Search protein sequence]
IAAHKGVNQAPVPLKMERVGPHDVHIEMTAQITDIEIDKGKIYKAWTFNG
QAPGPLVVVNEGDTIHFTLKNMDPVVPHSMDFHAVHASPSKDFIDVMPNK
SGTFTYPANKPGVFMYHCGTKPVLQHIANGMHGVIIVKPKNGYPTDKEVD
REYVLIQNEWYKYNDMNDFQNGVPSYVVFSSKALKPGDPNTNGDTFTLKE
KPLLAKVGEKIRLYINNVGPNEVSSFHVVGTVFDDVYLDGNPNNHLQGMQ
TVMLPASGGAVVEFTVTRPGTYPIVTHQFNHAQKGAVAMLKVTET
3D structure
PDB4ysr Redox-coupled structural changes in nitrite reductase revealed by serial femtosecond and microfocus crystallography
ChainA
Resolution1.34 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 C135 H143 M148 H244 Q267 T268 H294
Catalytic site (residue number reindexed from 1) H78 D81 H83 H117 C118 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 C135 H143 M148 H78 C118 H126 M131
BS02 CU A H100 H134 H83 H117
BS03 CU A H42 H83 H25 H66
BS04 CU A T248 V249 T231 V232
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0050421 nitrite reductase (NO-forming) activity

View graph for
Molecular Function
External links
PDB RCSB:4ysr, PDBe:4ysr, PDBj:4ysr
PDBsum4ysr
PubMed26769972
UniProtA4IL26

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