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BioLiP

Structure of PDB 3qsa Chain B Binding Site BS03

Receptor Information
>3qsa Chain B (length=348) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PSWPQILGRLTDNRDLARGQAAWAMDQIMTGNARPAQIAAFAVAMTMKAP
TADEVGELAGVMLSHAHPLPADTVPDDAVDVVGTGGDGVNTVNLSTMAAI
VVAAAGVPVVKHGNRAASSLSGGADTLEALGVRIDLGPDLVARSLAEVGI
GFCFAPRFHPSYRHAAAVRREIGVPTVFNLLGPLTNPARPRAGLIGCAFA
DLAEVMAGVFAARRSSVLVVHGDDGLDELTTTTTSTIWRVAAGSVDKLTF
DPAGFGFARAQLDQLAGGDAQANAAAVRAVLGGARGPVRDAVVLNAAGAI
VAHAGLSSRAEWLPAWEEGLRRASAAIDTGAAEQLLARWVRFGRQILE
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain3qsa Chain B Residue 403 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3qsa Inhibition of Mycobacterium tuberculosis anthranilate phosphoribosyltransferase by blocking of an active site entrance tunnel.
Resolution2.18 Å
Binding residue
(original residue number in PDB)		D251 E252
Binding residue
(residue number reindexed from 1)		D227 E228
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) V106
Catalytic site (residue number reindexed from 1) V82
Enzyme Commision number 2.4.2.18: anthranilate phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004048 anthranilate phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
GO:0046872 metal ion binding
Biological Process
GO:0000162 tryptophan biosynthetic process
Cellular Component
GO:0005576 extracellular region
GO:0005829 cytosol
GO:0005886 plasma membrane

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Molecular Function
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Cellular Component
External links
PDB RCSB:3qsa, PDBe:3qsa, PDBj:3qsa
PDBsum3qsa
PubMed
UniProtP9WFX5|TRPD_MYCTU Anthranilate phosphoribosyltransferase (Gene Name=trpD)

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