Structure of PDB 1b12 Chain B Binding Site BS01

Receptor Information
>1b12 Chain B (length=211) Species: 469008 (Escherichia coli BL21(DE3)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FIYEPFQIPSGSMMPTLLIGDFILVEKFGHPKRGDIVVFKYPEDPKLDYI
KRAVGLPGDKVTYDPVSKELTIQPGCCENALPVTYSNVEPSDFVQTFSRE
ATSGFFEVPKNETKENGIRLSERKETLGDVTHRILTVPIAQDQVGMYYQQ
PGQQLATWIVPPGQYFMMGDNRDNSADSRYWGFVPEANLVGRATAIWMSF
DLRLSRIGGIH
Ligand information
Ligand ID1PN
InChIInChI=1S/C13H17NO5S/c1-4-5-18-13(17)11-7-20-12(14-11)10(6-15)8(2)19-9(3)16/h4,6-8,10,12,14H,1,5H2,2-3H3/t8-,10-,12+/m1/s1
InChIKeyKYVQFVHQVGHNFK-UISBYWKRSA-N
SMILES
SoftwareSMILES
CACTVS 3.370C[CH](OC(C)=O)[CH](C=O)[CH]1NC(=CS1)C(=O)OCC=C
CACTVS 3.370C[C@@H](OC(C)=O)[C@@H](C=O)[C@H]1NC(=CS1)C(=O)OCC=C
ACDLabs 12.01O=C(OC\C=C)C1=CSC(N1)C(C=O)C(OC(=O)C)C
OpenEye OEToolkits 1.7.2C[C@H]([C@@H](C=O)[C@H]1NC(=CS1)C(=O)OCC=C)OC(=O)C
OpenEye OEToolkits 1.7.2CC(C(C=O)C1NC(=CS1)C(=O)OCC=C)OC(=O)C
FormulaC13 H17 N O5 S
Nameprop-2-en-1-yl (2S)-2-[(2S,3R)-3-(acetyloxy)-1-oxobutan-2-yl]-2,3-dihydro-1,3-thiazole-4-carboxylate;
'"(5S,6S)-6-[(R)ACETOXYETH-2-YL]-PENEM-3-CARBOXYLATEPROPANE, Bound form"'
ChEMBL
DrugBankDB06904
ZINCZINC000103522228
PDB chain1b12 Chain B Residue 1001 [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]
PDB1b12 Crystal structure of a bacterial signal peptidase in complex with a beta-lactam inhibitor.
Resolution1.95 Å
Binding residue
(original residue number in PDB)		I86 P87 S88 S90 Y143 I144 K145 S278 A279
Binding residue
(residue number reindexed from 1)		I8 P9 S10 S12 Y49 I50 K51 S175 A176
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S88 S90 K145 S278
Catalytic site (residue number reindexed from 1) S10 S12 K51 S175
Enzyme Commision number 3.4.21.89: signal peptidase I.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006465 signal peptide processing
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1b12, PDBe:1b12, PDBj:1b12
PDBsum1b12
PubMed9823901
UniProtP00803|LEP_ECOLI Signal peptidase I (Gene Name=lepB)

[Back to BioLiP]