Structure of PDB 1obn Chain A Binding Site BS03

Receptor Information
>1obn Chain A (length=329) Species: 227321 (Aspergillus nidulans FGSC A4) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SVSKANVPKIDVSPLFGDDQAAKMRVAQQIDAASRDTGFFYAVNHGINVQ
RLSQKTKEFHMSITPEEKWDLAIRAYNKEHQDQVRAGYYLSIPGKKAVES
FCYLNPNFTPDHPRIQAKTPTHEVNVWPDETKHPGFQDFAEQYYWDVFGL
SSALLKGYALALGKEENFFARHFKPDDTLASVVLIRYPYLDPYPEAAIKT
AADGTKLSFEWHEDVSLITVLYQSNVQNLQVETAAGYQDIEADDTGYLIN
CGSYMAHLTNNYYKAPIHRVKWVNAERQSLPFFVNLGYDSVIDPFDPREP
NGKSDREPLSYGDYLQNGLVSLINKNGQT
Ligand information
Ligand IDHOA
InChIInChI=1S/H3NO/c1-2/h2H,1H2
InChIKeyAVXURJPOCDRRFD-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341
OpenEye OEToolkits 1.5.0		NO
ACDLabs 10.04ON
FormulaH3 N O
NameHYDROXYAMINE
ChEMBLCHEMBL1191361
DrugBank
ZINC
PDB chain1obn Chain A Residue 1334 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1obn Structural Studies on the Reaction of Isopenicillin N Synthase with the Substrate Analogue Delta-(L-Alpha-Aminoadipoyl)-L-Cysteinyl-D-Alpha-Aminobutyrate.
Resolution1.3 Å
Binding residue
(original residue number in PDB)		H214 H270
Binding residue
(residue number reindexed from 1)		H212 H268
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) L186 F211 H214 D216 H270
Catalytic site (residue number reindexed from 1) L184 F209 H212 D214 H268
Enzyme Commision number 1.21.3.1: isopenicillin-N synthase.
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0016216 isopenicillin-N synthase activity
GO:0016491 oxidoreductase activity
GO:0031418 L-ascorbic acid binding
GO:0046872 metal ion binding
Biological Process
GO:0009058 biosynthetic process
GO:0017000 antibiotic biosynthetic process
GO:0042318 penicillin biosynthetic process
GO:0044283 small molecule biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1obn, PDBe:1obn, PDBj:1obn
PDBsum1obn
PubMed12622704
UniProtP05326|IPNA_EMENI Isopenicillin N synthase (Gene Name=ipnA)

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