Structure of PDB 8sq8 Chain B Binding Site BS01

Receptor Information
>8sq8 Chain B (length=240) Species: 470 (Acinetobacter baumannii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DVKAEKIKNLFNEAHTTGVLVIQQGQTQQSYGNDLARASTEYVPASTFKM
LNALIGLEHHKATTTEVFKWDGKKRLFPEWEKDMTLGDAMKASAIQVYQD
LARRIGLELMSKEVKRVGYGNADIGTQVDNFWLVGPLKITPQQEAQFAYK
LANKTLPFSQKVQDEVQSMLFIEEKNGNKIYAKSGWGWDVNPQVGWLTGW
VVQPQGNIVAFSLNLEMKKGIPSSVRKEITYKSLEQLGIL
Ligand information
Ligand ID4J6
InChIInChI=1S/C15H26N4O6S2/c1-7-12(11(6-20)8(2)21)19-13(15(22)23)14(7)26-10-3-9(17-5-10)4-18-27(16,24)25/h6-12,17-19,21H,3-5H2,1-2H3,(H,22,23)(H2,16,24,25)/t7-,8-,9+,10+,11-,12-/m1/s1
InChIKeyQJKQOMNNBOTMCR-PQTSNVLCSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CC1C(NC(=C1SC2CC(NC2)CNS(=O)(=O)N)C(=O)O)C(C=O)C(C)O
CACTVS 3.385C[CH](O)[CH](C=O)[CH]1NC(=C(S[CH]2CN[CH](CN[S](N)(=O)=O)C2)[CH]1C)C(O)=O
CACTVS 3.385C[C@@H](O)[C@@H](C=O)[C@@H]1NC(=C(S[C@@H]2CN[C@H](CN[S](N)(=O)=O)C2)[C@@H]1C)C(O)=O
OpenEye OEToolkits 1.7.6C[C@@H]1[C@@H](NC(=C1S[C@H]2C[C@H](NC2)CNS(=O)(=O)N)C(=O)O)[C@H](C=O)[C@@H](C)O
ACDLabs 12.01CC(O)C(C=O)C2NC(C(O)=O)=C(SC1CNC(CNS(N)(=O)=O)C1)C2C
FormulaC15 H26 N4 O6 S2
Name(4R,5S)-5-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-4-methyl-3-({(3S,5S)-5-[(sulfamoylamino)methyl]pyrrolidin-3-yl}sulfanyl)-4,5-dihydro-1H-pyrrole-2-carboxylic acid;
Doripenem(open form, pyrroline tautomer form 1, SP2 connection to Thio)
ChEMBL
DrugBank
ZINCZINC000584905014
PDB chain8sq8 Chain B Residue 301 [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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PDB8sq8 Structural and dynamic features of Acinetobacter baumannii OXA-66 beta-lactamase explain its stability and evolution of novel variants.
Resolution2.27 Å
Binding residue
(original residue number in PDB)
S80 K83 F111 E113 W114 A126 S127 I129 S218 G219 W220 W222 S257 R260
Binding residue
(residue number reindexed from 1)
S46 K49 F77 E79 W80 A92 S93 I95 S184 G185 W186 W188 S223 R226
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0008658 penicillin binding
Biological Process
GO:0071555 cell wall organization

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:8sq8, PDBe:8sq8, PDBj:8sq8
PDBsum8sq8
PubMed38729259
UniProtA8JZR7

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