Structure of PDB 1obn Chain A Binding Site BS01

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 IDASV
InChIInChI=1S/C13H21N3O6S/c1-2-8(13(21)22)16-11(18)9(6-23)15-10(17)5-3-4-7(14)12(19)20/h2,7-9,23H,1,3-6,14H2,(H,15,17)(H,16,18)(H,19,20)(H,21,22)/t7-,8+,9-/m0/s1
InChIKeyJJJCGQKXGIRXKN-YIZRAAEISA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(NC(\C=C)C(=O)O)C(NC(=O)CCCC(C(=O)O)N)CS
OpenEye OEToolkits 1.5.0C=CC(C(=O)O)NC(=O)C(CS)NC(=O)CCCC(C(=O)O)N
OpenEye OEToolkits 1.5.0C=C[C@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)CCC[C@@H](C(=O)O)N
CACTVS 3.341N[C@@H](CCCC(=O)N[C@@H](CS)C(=O)N[C@H](C=C)C(O)=O)C(O)=O
CACTVS 3.341N[CH](CCCC(=O)N[CH](CS)C(=O)N[CH](C=C)C(O)=O)C(O)=O
FormulaC13 H21 N3 O6 S
NameDELTA-(L-ALPHA-AMINOADIPOYL)-L-CYSTEINYL-D-VINYLGLYCINE
ChEMBL
DrugBankDB03427
ZINCZINC000006363128
PDB chain1obn Chain A Residue 1332 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
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)		R87 S183 I187 Y189 H214 D216 S281 F285
Binding residue
(residue number reindexed from 1)		R85 S181 I185 Y187 H212 D214 S279 F283
Annotation score2
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

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

[Back to BioLiP]