Structure of PDB 7tu5 Chain C Binding Site BS01

Receptor Information

>7tu5 Chain C (length=429) Species: 398720 (Leeuwenhoekiella blandensis MED217)

NWEHLLSLKRQGDTAKRLRIELGFEVDYDRIIFSAPFRSLQDKTQVIPFV
HTRLTHSLEVSVVGRSLGRMVGKKLLEKYPHLEQVYGYKFNDFGAIVAAA
ALAHDIGNPPFGHSGEKAIGEFFKNGYGKRYKDSLTAKEYQDLIKFEGNA
NGFKVLSQSKPGAQGGLRLSYATLGAFMKYPKESLPHKPSDHIADKKYGF
FQSERALFEDVAQELGLLKRSTTDDVSWSRHPLAYLVEAADDICYTIIDF
EDGINLGLIPEEYALEYMVKLVGQTIDRNKYNALQETSDRVSYLRALAIG
TLINESVDTFMKYEEEILAGTFDQSLIDKSNYQAQITDIINLSIERIYNS
REVIEKEIAGYEILSTLLEARCRALDNNDTHYNQLIQQLLAPNDHSEKSL
YENLIQICAEVSTMTDGKALRNYKKIKGL

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: 7tu5 Chain C Residue 601

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7tu5 High-resolution structures of the SAMHD1 dGTPase homolog from Leeuwenhoekiella blandensis reveal a novel mechanism of allosteric activation by dATP.
• Resolution: 2.1 Å
• Binding residue (original residue number in PDB): H68 H116 D253
• Binding residue (residue number reindexed from 1): H56 H104 D241
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 3.1.5.1: dGTPase.

Gene Ontology

Molecular Function

• GO:0008832 dGTPase activity
• GO:0016787 hydrolase activity
• GO:0016793 triphosphoric monoester hydrolase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006203 dGTP catabolic process

External links

• PDB: RCSB:7tu5, PDBe:7tu5, PDBj:7tu5
• PDBsum: 7tu5
• PubMed: 35643313
• UniProt: A3XHN1