Structure of PDB 3iqa Chain A Binding Site BS01

Receptor Information
>3iqa Chain A (length=265) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVA
AVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYS
DGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGD
ERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFP
ADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPRE
ALLAEAATCVAGVLA
Ligand information
Ligand IDDRW
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/h6-12,14,17-18,21H,3-5H2,1-2H3,(H,22,23)(H2,16,24,25)/t7-,8-,9+,10+,11-,12-,14+/m1/s1
InChIKeyRBKUPZPTQNSPAV-CFINEGTKSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01CC(O)C(C=O)C2N=C(C(O)=O)C(SC1CNC(CNS(N)(=O)=O)C1)C2C
OpenEye OEToolkits 1.7.6C[C@H]1[C@@H](C(=N[C@H]1[C@H](C=O)[C@@H](C)O)C(=O)O)S[C@H]2C[C@H](NC2)CNS(=O)(=O)N
CACTVS 3.385C[C@@H](O)[C@@H](C=O)[C@@H]1N=C([C@@H](S[C@@H]2CN[C@H](CN[S](N)(=O)=O)C2)[C@@H]1C)C(O)=O
CACTVS 3.385C[CH](O)[CH](C=O)[CH]1N=C([CH](S[CH]2CN[CH](CN[S](N)(=O)=O)C2)[CH]1C)C(O)=O
OpenEye OEToolkits 1.7.6CC1C(C(=NC1C(C=O)C(C)O)C(=O)O)SC2CC(NC2)CNS(=O)(=O)N
FormulaC15 H26 N4 O6 S2
Name(2S,3R,4S)-2-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-3-methyl-4-({(3S,5S)-5-[(sulfamoylamino)methyl]pyrrolidin-3-yl}sulfanyl)-3,4-dihydro-2H-pyrrole-5-carboxylic acid;
Doripenem(open form, pyrroline tautomer form 2, SP3 connection to Thio as S isomer)
ChEMBL
DrugBank
ZINCZINC000095920586
PDB chain3iqa Chain A Residue 309 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3iqa Biochemical and structural characterization of Mycobacterium tuberculosis beta-lactamase with the carbapenems ertapenem and doripenem.
Resolution2.2 Å
Binding residue
(original residue number in PDB)
S84 I117 S142 E182 T251 G252 T253
Binding residue
(residue number reindexed from 1)
S42 I75 S100 E140 T209 G210 T211
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S84 K87 S142 E182 K250 T253
Catalytic site (residue number reindexed from 1) S42 K45 S100 E140 K208 T211
Enzyme Commision number 3.5.2.6: beta-lactamase.
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
Biological Process
GO:0017001 antibiotic catabolic process
GO:0030655 beta-lactam antibiotic catabolic process
GO:0046677 response to antibiotic
Cellular Component
GO:0005576 extracellular region
GO:0005886 plasma membrane
GO:0042597 periplasmic space

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3iqa, PDBe:3iqa, PDBj:3iqa
PDBsum3iqa
PubMed20353175
UniProtP9WKD3|BLAC_MYCTU Beta-lactamase (Gene Name=blaC)

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