Structure of PDB 1tcv Chain B Binding Site BS01

Receptor Information

>1tcv Chain B (length=274) Species: 6183 (Schistosoma mansoni)

SVTANIENVKKVAHHIQKLTSIVPEIGIICGSGLGKLADGVKDKITIPYT
KIPNFPQTSSGNLIFGTLSGRKVVVMQGRFHMYEGYSNDTVALPIRVMKL
LGVKILMVSNAAGGLNRSLKLGDFVILKDHIYLPGLGLNNILVGPNQEAF
GTRFPALSNAYDRDLRKLAVQVAEENGFGNLVHQGVYVMNGGPCYETPAE
CTMLLNMGCDVVGMSTIPEVVIARHCGIQVFAVSLVTNISVLDVESEEVL
ATGAQRAELMQSWFEKIIEKLPKD

Ligand information

• Ligand ID: ACT
• InChI: InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/p-1
• InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-M
• SMILES:
  ACDLabs 10.04: [O-]C(=O)C
  OpenEye OEToolkits 1.5.0: CC(=O)[O-]
  CACTVS 3.341: CC([O-])=O
• Formula: C2 H3 O2
• Name: ACETATE ION
• DrugBank: DB14511
• PDB chain: 1tcv Chain B Residue 901

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1tcv Structures for the Potential Drug Target Purine Nucleoside Phosphorylase from Schistosoma mansoni Causal Agent of Schistosomiasis.
• Resolution: 1.75 Å
• Binding residue (original residue number in PDB): A119 G120 Y202 E203 V219 N245
• Binding residue (residue number reindexed from 1): A112 G113 Y195 E196 V212 N238
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): S35 H88 Y90 E91 A118 M221 S222 N245 S247
• Catalytic site (residue number reindexed from 1): S32 H81 Y83 E84 A111 M214 S215 N238 S240
• Enzyme Commision number: 2.4.2.1: purine-nucleoside phosphorylase.

Gene Ontology

Molecular Function

• GO:0003824 catalytic activity
• GO:0004731 purine-nucleoside phosphorylase activity
• GO:0016757 glycosyltransferase activity
• GO:0047975 guanosine phosphorylase activity

Biological Process

• GO:0006139 nucleobase-containing compound metabolic process
• GO:0009116 nucleoside metabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:1tcv, PDBe:1tcv, PDBj:1tcv
• PDBsum: 1tcv
• PubMed: 16182308
• UniProt: Q9BMI9