Structure of PDB 4n4n Chain A

Receptor sequence
>4n4nA (length=504) Species: 915 (Nitrosomonas europaea) [Search protein sequence]
DISTVPDETYDALKLDRGKATPKETYEALVKRYKDPAHGAGKGTMGDYWE
PIAISIYMDPNTFYKPPVSPKEVAERKDCVECHSDETPVWVRAWKRSTHA
NLDKIRNLKSDDPLYYKKGKLEEVENNLRSMGKLGEKETLKEVGCIDCHV
DVNKKDKADHTKDIRMPTADTCGTCHLREFAERESERDTMVWPNGQWPAG
RPSHALDYTANIETTVWAAMPQREVAEGCTMCHTNQNKCDNCHTRHEFSA
AESRKPEACATCHSGVDHNNWEAYTMSKHGKLAEMNRDKWNWEVRLKDAF
SKGGQNAPTCAACHMEYEGEYTHNITRKTRWANYPFVPGIAENITSDWSE
ARLDSWVLTCTQCHSERFARSYLDLMDKGTLEGLAKYQEANAIVHKMYED
GTLTGQKTNRPNPPEPEKPGFGIFTQLFWSKGNNPASLELKVLEMAENNL
AKMHVGLAHVNPGGWTYTEGWGPMNRAYVEIQDEYTKMQELSALQARVNK
LEGK
3D structure
PDB4n4n Structural Basis of Biological NO Generation by Octaheme Oxidoreductases.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H257 D291 H292 Y358 Y491
Catalytic site (residue number reindexed from 1) H233 D267 H268 Y334 Y467
Enzyme Commision number 1.7.2.6: hydroxylamine dehydrogenase.
1.7.2.9: hydroxylamine oxidase.
Interaction with ligand
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0033740 hydroxylamine oxidoreductase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0047991 hydroxylamine oxidase activity
Biological Process
GO:0019331 anaerobic respiration, using ammonium as electron donor
GO:0070207 protein homotrimerization
Cellular Component
GO:0044222 anammoxosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4n4n, PDBe:4n4n, PDBj:4n4n
PDBsum4n4n
PubMed24302732
UniProtQ50925|HAO_NITEU Hydroxylamine oxidoreductase (Gene Name=hao1)

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