Structure of PDB 6gtn Chain A

Receptor sequence
>6gtnA (length=333) Species: 223 (Achromobacter cycloclastes) [Search protein sequence]
DISTLPRVKVDLVKPPFVHAHDQVAKTGPRVVEFTMTIEEKKLVIDREGT
EIHAMTFNGSVPGPLMVVHENDYVELRLINPDTNTLLHNIDFHAATGALG
GGALTQVNPGEETTLRFKATKPGVFVYHCAPEGMVPWHVTSGMNGAIMVL
PRDGLKDEKGQPLTYDKIYYVGEQDFYVPKDEAGNYKKYETPGEAYEDAV
KAMRTLTPTHIVFNGAVGALTGDHALTAAVGERVLVVHSQANRDTRPHLI
GGHGDYVWATGKFRNPPDLDQETWLIPGGTAGAAFYTFRQPGVYAYVNHN
LIEAFELGAAGHFKVTGEWNDDLMTSVVKPASM
3D structure
PDB6gtn Catalytically important damage-free structures of a copper nitrite reductase obtained by femtosecond X-ray laser and room-temperature neutron crystallography.
ChainA
Resolution1.5 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 H135 C136 H145 M150 H255 E279 T280 H306
Catalytic site (residue number reindexed from 1) H88 D91 H93 H128 C129 H138 M143 H248 E272 T273 H299
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 C136 H145 M150 H88 C129 H138 M143
BS02 CU A H100 H135 H93 H128
BS03 NO2 A D98 H100 H135 D91 H93 H128
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0050421 nitrite reductase (NO-forming) activity

View graph for
Molecular Function
External links
PDB RCSB:6gtn, PDBe:6gtn, PDBj:6gtn
PDBsum6gtn
PubMed31316819
UniProtP25006|NIR_ACHCY Copper-containing nitrite reductase (Gene Name=nirK)

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