Structure of PDB 1bk0 Chain A Binding Site BS02

Receptor Information
>1bk0 Chain A (length=329) Species: 162425 (Aspergillus nidulans) [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 IDACV
InChIInChI=1S/C14H25N3O6S/c1-7(2)11(14(22)23)17-12(19)9(6-24)16-10(18)5-3-4-8(15)13(20)21/h7-9,11,24H,3-6,15H2,1-2H3,(H,16,18)(H,17,19)(H,20,21)(H,22,23)/t8-,9-,11+/m0/s1
InChIKeyBYEIJZFKOAXBBV-ATZCPNFKSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(NC(C(=O)O)C(C)C)C(NC(=O)CCCC(C(=O)O)N)CS
OpenEye OEToolkits 1.5.0CC(C)[C@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)CCC[C@@H](C(=O)O)N
CACTVS 3.341CC(C)[CH](NC(=O)[CH](CS)NC(=O)CCC[CH](N)C(O)=O)C(O)=O
CACTVS 3.341CC(C)[C@@H](NC(=O)[C@H](CS)NC(=O)CCC[C@H](N)C(O)=O)C(O)=O
OpenEye OEToolkits 1.5.0CC(C)C(C(=O)O)NC(=O)C(CS)NC(=O)CCCC(C(=O)O)N
FormulaC14 H25 N3 O6 S
NameL-D-(A-AMINOADIPOYL)-L-CYSTEINYL-D-VALINE
ChEMBLCHEMBL70421
DrugBankDB02025
ZINCZINC000003873037
PDB chain1bk0 Chain A Residue 351 [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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PDB1bk0 Structure of isopenicillin N synthase complexed with substrate and the mechanism of penicillin formation.
Resolution1.3 Å
Binding residue
(original residue number in PDB)		R87 Y91 S183 I187 Y189 H214 D216 S281 F285
Binding residue
(residue number reindexed from 1)		R85 Y89 S181 I185 Y187 H212 D214 S279 F283
Annotation score4
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:1bk0, PDBe:1bk0, PDBj:1bk0
PDBsum1bk0
PubMed9194566
UniProtP05326|IPNA_EMENI Isopenicillin N synthase (Gene Name=ipnA)

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