Structure of PDB 1ai6 Chain B Binding Site BS02

Receptor Information
>1ai6 Chain B (length=557) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SNMWVIGKSKAQDAKAIMVNGPQFGWYAPAYTYGIGLHGAGYDVTGNTPF
AYPGLVFGHNGVISWGSTAGFGDDVDIFAERLSAEKPGYYLHNGKWVKML
SREETITVKNGQAETFTVWRTVHGNILQTDQTTQTAYAKSRAWDGKEVAS
LLAWTHQMKAKNWQQWTQQAAKQALTINWYYADVNGNIGYVHTGAYPDRQ
SGHDPRLPVPGTGKWDWKGLLPFEMNPKVYNPQSGYIANWNNSPQKDYPA
SDLFAFLWGGADRVTEIDRLLEQKPRLTADQAWDVIRQTSRQDLNLRLFL
PTLQAATSGLTQSDPRRQLVETLTRWDGINLLNDDGKTWQQPGSAILNVW
LTSMLKRTVVAAVPMPFDKWYSASGYETTQDGPTGSLNISVGAKILYEAV
QGDKSPIPQAVDLFAGKPQQEVVLAALEDTWETLSKRYGNNVSNWKTPAM
ALTFRANNFFGVPQAAAEETRHQAEYQNRGTENDMIVFSPTTSDRPVLAW
DVVAPGQSGFIAPDGTVDKHYEDQLKMYENFGRKSLWLTKQDVEAHKESQ
EVLHVQR
Ligand information
Ligand ID4HP
InChIInChI=1S/C8H8O3/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4,9H,5H2,(H,10,11)
InChIKeyXQXPVVBIMDBYFF-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC(=O)Cc1ccc(O)cc1
OpenEye OEToolkits 1.5.0c1cc(ccc1CC(=O)O)O
ACDLabs 10.04O=C(O)Cc1ccc(O)cc1
FormulaC8 H8 O3
Name4-HYDROXYPHENYLACETATE
ChEMBLCHEMBL1772
DrugBank
ZINCZINC000000213065
PDB chain1ai6 Chain B Residue 559 [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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PDB1ai6 Ligand-induced conformational change in penicillin acylase.
Resolution2.55 Å
Binding residue
(original residue number in PDB)		S1 F24 S67 T68 A69
Binding residue
(residue number reindexed from 1)		S1 F24 S67 T68 A69
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=3.97,Ki=0.107mM
Enzymatic activity
Catalytic site (original residue number in PDB) S1 Q23 A69 F71 N241
Catalytic site (residue number reindexed from 1) S1 Q23 A69 F71 N241
Enzyme Commision number 3.5.1.11: penicillin amidase.
Gene Ontology
Molecular Function
GO:0016787 hydrolase activity
Biological Process
GO:0017000 antibiotic biosynthetic process

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1ai6, PDBe:1ai6, PDBj:1ai6
PDBsum1ai6
PubMed9813130
UniProtP06875|PAC_ECOLX Penicillin G acylase (Gene Name=pac)

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