Structure of PDB 1nsj Chain A Binding Site BS01

Receptor Information

>1nsj Chain A (length=205) Species: 2336 (Thermotoga maritima)

MVRVKICGITNLEDALFSVESGADAVGFVFYPKSKRYISPEDARRISVEL
PPFVFRVGVFVNEEPEKILDVASYVQLNAVQLHGEEPIELCRKIAERILV
IKAVGVSNERDMERALNYREFPILLDTKTPEYGGSGKTFDWSLILPYRDR
FRYLVLSGGLNPENVRSAIDVVRPFAVDVSSGVEAFPGKKDHDSIKMFIK
NAKGL

Ligand information

• Ligand ID: PO4
• InChI: InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
• InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-K
• SMILES:
  CACTVS 3.341: [O-][P]([O-])([O-])=O
  ACDLabs 10.04: [O-]P([O-])([O-])=O
  OpenEye OEToolkits 1.5.0: [O-]P(=O)([O-])[O-]
• Formula: O4 P
• Name: PHOSPHATE ION
• DrugBank: DB14523
• PDB chain: 1nsj Chain A Residue 300

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1nsj Crystal structure at 2.0 A resolution of phosphoribosyl anthranilate isomerase from the hyperthermophile Thermotoga maritima: possible determinants of protein stability.
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): G133 V179 S180 S181
• Binding residue (residue number reindexed from 1): G133 V179 S180 S181
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): C7 D126
• Catalytic site (residue number reindexed from 1): C7 D126
• Enzyme Commision number: 5.3.1.24: phosphoribosylanthranilate isomerase.

Gene Ontology

Molecular Function

• GO:0004640 phosphoribosylanthranilate isomerase activity
• GO:0016853 isomerase activity

Biological Process

• GO:0000162 tryptophan biosynthetic process
• GO:0006568 tryptophan metabolic process

External links

• PDB: RCSB:1nsj, PDBe:1nsj, PDBj:1nsj
• PDBsum: 1nsj
• PubMed: 9166771
• UniProt: Q56320|TRPF_THEMA N-(5'-phosphoribosyl)anthranilate isomerase (Gene Name=trpF)