Structure of PDB 3r6c Chain A Binding Site BS03

Receptor Information

>3r6c Chain A (length=346) Species: 1773 (Mycobacterium tuberculosis)

PSWPQILGRLTDNRDLARGQAAWAMDQIMTGNARPAQIAAFAVAMTMKAP
TADEVGELAGVMLSHAHPLPADTVPDDAVDVVGTGGDGVNTVNLSTMAAI
VVAAAGVPVVKHGNRAASSLSGGADTLEALGVRIDLGPDLVARSLAEVGI
GFCFAPRFHPSYRHAAAVRREIGVPTVFNLLGPLTNPARPRAGLIGCAFA
DLAEVMAGVFAARRSSVLVVHGDDGLDELTTTTTSTIWRVAAGSVDKLTF
DPAGFGFARAQLDQLAGGDAQANAAAVRAVLGGARGPVRDAVVLNAAGAI
VAHAGLSSRAEWLPAWEEGLRRASAAIDTGAAEQLLARWVRFGRQI

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 3r6c Chain A Residue 403

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3r6c The Substrate Capture Mechanism of Mycobacterium tuberculosis Anthranilate Phosphoribosyltransferase Provides a Mode for Inhibition.
• Resolution: 1.83 Å
• Binding residue (original residue number in PDB): D251 E252
• Binding residue (residue number reindexed from 1): D227 E228
• Annotation score: 1

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

External links

• PDB: RCSB:3r6c, PDBe:3r6c, PDBj:3r6c
• PDBsum: 3r6c
• PubMed: 23363292
• UniProt: P9WFX5|TRPD_MYCTU Anthranilate phosphoribosyltransferase (Gene Name=trpD)