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1HZU

DOMAIN SWING UPON HIS TO ALA MUTATION IN NITRITE REDUCTASE OF PSEUDOMONAS AERUGINOSA

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
A0050418molecular_functionhydroxylamine reductase activity
A0050421molecular_functionnitrite reductase (NO-forming) activity
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC A 601
ChainResidue
AARG46
ALEU79
ATHR84
ALEU86
AMET88
APRO89
AHOH758
AHOH898
AHOH920
ACYS47
ACYS50
AHIS51
AGLY60
ALYS61
ALEU63
AARG71
ATYR75

site_idAC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE DHE A 602
ChainResidue
ATHR59
AARG156
AHIS182
AILE183
AARG185
AARG225
AVAL227
AALA283
AILE285
AASP328
AARG372
APHE425
AGLN483
ATHR530
APHE533
AHOH711
AHOH719
AHOH850
AHOH876

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues85
DetailsDomain: {"description":"Cytochrome c","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues427
DetailsRegion: {"description":"D1-heme domain"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"9331415","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NIR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"9331415","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NIR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9331415","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NIR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"description":"proximal binding residue","evidences":[{"source":"PubMed","id":"9331415","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NIR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1nir
ChainResidueDetails
AHIS369
AALA327

site_idMCSA1
Number of Residues6
DetailsM-CSA 903
ChainResidueDetails
ACYS47covalently attached
ACYS50covalently attached
AHIS51metal ligand
AMET88metal ligand
AALA327electrostatic stabiliser
AHIS369electrostatic stabiliser

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PDB entries from 2025-07-30

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