Structure of PDB 1ai7 Chain B Binding Site BS01

Receptor Information
>1ai7 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 IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0
[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1ai7 Chain B Residue 558 [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]
PDB1ai7 Ligand-induced conformational change in penicillin acylase.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
D73 V75 D76 P205 D252
Binding residue
(residue number reindexed from 1)
D73 V75 D76 P205 D252
Annotation score1
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

View graph for
Biological Process
External links
PDB RCSB:1ai7, PDBe:1ai7, PDBj:1ai7
PDBsum1ai7
PubMed9813130
UniProtP06875|PAC_ECOLX Penicillin G acylase (Gene Name=pac)

[Back to BioLiP]