Structure of PDB 1aof Chain B Binding Site BS02
Receptor Information
>1aof Chain B (length=542) Species:
82367
(Paracoccus pantotrophus) [
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EPSLDNLAQQDVAAPGAPEGVTALSDAQYNEANKIYFERCAGCHGVLRKG
ATGKALTPDLTRDLGFDYLQSFITYASPAGMPNWGTSGELSAEQVDLMAN
YLLLDPAAPPEFGMKEMRESWKVHVAPEDRPTQQMNDWDLENLFSVTLRD
AGQIALIDGSTYEIKTVLDTGYAVHISRLSASGRYLFVIGRDGKVNMIDL
WMKEPTTVAEIKIGSEARSIETSKMEGWEDKYAIAGAYWPPQYVIMDGET
LEPKKIQSTRGMTYDEQEYHPEPRVAAILASHYRPEFIVNVKETGKILLV
DYTDLNNLKTTEISAERFLHDGGLDGSHRYFITAANARNKLVVIDTKEGK
LVAIEDTGGQTPHPGRGANFVHPTFGPVWATSHMGDDSVALIGTDPEGHP
DNAWKILDSFPALGGGSLFIKTHPNSQYLYVDATLNPEAEISGSVAVFDI
KAMTGDGSDPEFKTLPIAEWAGITEGQPRVVQGEFNKDGTEVWFSVWNGK
DQESALVVVDDKTLELKHVIKDERLVTPTGKFNVYNTMTDTY
Ligand information
Ligand ID
DHE
InChI
InChI=1S/C34H34N4O10.Fe/c1-15-17(5-7-27(39)40)21-10-22-18(6-8-28(41)42)16(2)20(36-22)11-25-33(3,13-29(43)44)32(48)24(38-25)12-26-34(4,14-30(45)46)31(47)23(37-26)9-19(15)35-21;/h9-12H,5-8,13-14H2,1-4H3,(H6,35,36,37,38,39,40,41,42,43,44,45,46,47,48);/q;+2/p-2/t33-,34-;/m1./s1
InChIKey
XLQCGNUTSJTZNF-YDXXJHAFSA-L
SMILES
Software
SMILES
OpenEye OEToolkits 2.0.7
Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=CC6=[N]7[Fe]3(N45)[N]8=C(C=C7C(C6=O)(C)CC(=O)O)C(=O)C(C8=C2)(C)CC(=O)O)C)CCC(=O)O
OpenEye OEToolkits 2.0.7
Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=CC6=[N]7[Fe]3(N45)[N]8=C(C=C7[C@@](C6=O)(C)CC(=O)O)C(=O)[C@](C8=C2)(C)CC(=O)O)C)CCC(=O)O
CACTVS 3.385
CC1=C(CCC(O)=O)C2=Cc3n4[Fe][N@]2C1=CC5=NC(=CC6=NC(=Cc4c(C)c3CCC(O)=O)[C@@](C)(CC(O)=O)C6=O)[C@@](C)(CC(O)=O)C5=O
CACTVS 3.385
CC1=C(CCC(O)=O)C2=Cc3n4[Fe][N]2C1=CC5=NC(=CC6=NC(=Cc4c(C)c3CCC(O)=O)[C](C)(CC(O)=O)C6=O)[C](C)(CC(O)=O)C5=O
Formula
C34 H32 Fe N4 O10
Name
HEME D
ChEMBL
DrugBank
ZINC
PDB chain
1aof Chain B Residue 602 [
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Receptor-Ligand Complex Structure
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PDB
1aof
Haem-ligand switching during catalysis in crystals of a nitrogen-cycle enzyme.
Resolution
2.0 Å
Binding residue
(original residue number in PDB)
P27 R174 H200 I201 R216 R243 S244 Y263 A301 A302 H345 R391 F444 T554 F557
Binding residue
(residue number reindexed from 1)
P2 R149 H175 I176 R191 R218 S219 Y238 A276 A277 H320 R366 F419 T529 F532
Annotation score
1
Enzymatic activity
Catalytic site (original residue number in PDB)
C65 C68 H69 M106 H345 H388
Catalytic site (residue number reindexed from 1)
C40 C43 H44 M81 H320 H363
Enzyme Commision number
1.7.2.1
: nitrite reductase (NO-forming).
1.7.99.1
: hydroxylamine reductase.
Gene Ontology
Molecular Function
GO:0009055
electron transfer activity
GO:0016491
oxidoreductase activity
GO:0020037
heme binding
GO:0046872
metal ion binding
GO:0050418
hydroxylamine reductase activity
GO:0050421
nitrite reductase (NO-forming) activity
Cellular Component
GO:0042597
periplasmic space
View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB
RCSB:1aof
,
PDBe:1aof
,
PDBj:1aof
PDBsum
1aof
PubMed
9311786
UniProt
P72181
|NIRS_PARPN Nitrite reductase (Gene Name=nirS)
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