Structure of PDB 3ku4 Chain A Binding Site BS01

Receptor Information

>3ku4 Chain A (length=291) Species: 9913 (Bos taurus)

NDLVQLCNPHIAAMKEDILYHFSLSTSTHDFPAMFGDVKFVCVGGSPSRM
KAFIKYVAMELGFAHPDYPNICEGTDRYAMFKVGPVLSVSHGMGVPSIAI
MLHELIKLLYHAHCSGVTLIRIGTSGGIGLEPGSVVITRQAVDPCFKPEF
EQIVLGKREVRNTDLDEQLVQELARCSAELGEFPTVVGNTMCTLDFYEGQ
GRLDGALCSYTEKDKQDYLRAAYAAGIRNIEMEASVFAAMCNACGLRAAV
VCVTLLNRLEGDQISSPHDVLAEYQQRPQRLVGQFIKKRLM

Ligand information

• Ligand ID: SO4
• InChI: InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
• InChIKey: QAOWNCQODCNURD-UHFFFAOYSA-L
• SMILES:
  OpenEye OEToolkits 1.5.0: [O-]S(=O)(=O)[O-]
  CACTVS 3.341: [O-][S]([O-])(=O)=O
  ACDLabs 10.04: [O-]S([O-])(=O)=O
• Formula: O4 S
• Name: SULFATE ION
• DrugBank: DB14546
• PDB chain: 3ku4 Chain A Residue 310

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3ku4 Glycal formation in crystals of uridine phosphorylase.
• Resolution: 2.099 Å
• Binding residue (original residue number in PDB): S60 R63
• Binding residue (residue number reindexed from 1): S46 R49
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): E120 R274
• Catalytic site (residue number reindexed from 1): E104 R258
• Enzyme Commision number: 2.4.2.3: uridine phosphorylase.

Gene Ontology

Molecular Function

• GO:0003824 catalytic activity
• GO:0004850 uridine phosphorylase activity
• GO:0016757 glycosyltransferase activity
• GO:0016763 pentosyltransferase activity
• GO:0047847 deoxyuridine phosphorylase activity

Biological Process

• GO:0009116 nucleoside metabolic process
• GO:0009164 nucleoside catabolic process
• GO:0009166 nucleotide catabolic process
• GO:0044206 UMP salvage

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:3ku4, PDBe:3ku4, PDBj:3ku4
• PDBsum: 3ku4
• PubMed: 20364833
• UniProt: A5PJH9