Structure of PDB 4n4m Chain A Binding Site BS07

Receptor Information
>4n4m Chain A (length=494) Species: 174633 (Candidatus Kuenenia stuttgartiensis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TFQDVASQVFGQPVGPDNDGTLYIFGLTAKYTEPEYVDGRGPYKSFLKML
PSIRWYDPEHYWTNGSQTEGVFKNEECVLCHTVQTPTIVNDWKQSSHGSK
DIRRGIGIKKDGKPVEDLVGCADCHGNNHQKLEMPTYKLCNDCHPKETAE
HRAGGLGSHTHAYTVNVLEFSWHVGKPAEEVTGCAHCHAIAENRCSGCHT
RHKFDPAEARKPTACRVCHMGIDHDEWAMYNTSIHGALYEAESARMDWGK
KLKKGNYRVPTCAYCHMQNGDHNPQRFGTIYSDMGMFQVDRGAPKHKAKR
DSWIKLCQDCHSPRFAADKLKEMDAGVNLSFTKWREAAAVIVGCYLDGVV
DPMPEGSAPDWYGHYTFSLLPGGDPRFYATSNLERLGLEMICYLTGNVYK
AYAHMSMYNQTYGNGSAFEQDRKLVEIKTEAAKLRRFAAIEKKIGLEHKS
ADFWKHGEYLDLLPGWKRKPGDVDVEWFKRTDIPHRANADAGVE
Ligand information
Ligand IDHEC
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKeyHXQIYSLZKNYNMH-LJNAALQVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
FormulaC34 H34 Fe N4 O4
NameHEME C
ChEMBL
DrugBank
ZINC
PDB chain4n4m Chain A Residue 619 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4n4m Structural Basis of Biological NO Generation by Octaheme Oxidoreductases.
Resolution2.1 Å
Binding residue
(original residue number in PDB)
H258 E265 Y269 P299 T300 C301 C304 H305 G317 T318 W342 Y438 A442 H443
Binding residue
(residue number reindexed from 1)
H219 E226 Y230 P260 T261 C262 C265 H266 G278 T279 W303 Y399 A403 H404
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H227 D262 H263 Y451
Catalytic site (residue number reindexed from 1) H188 D223 H224 Y412
Enzyme Commision number 1.7.2.9: hydroxylamine oxidase.
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
Biological Process
GO:0006809 nitric oxide biosynthetic 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:4n4m, PDBe:4n4m, PDBj:4n4m
PDBsum4n4m
PubMed24302732
UniProtQ1PX48|HAO_KUEST Hydroxylamine oxidoreductase (Gene Name=hao)

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