Structure of PDB 4fcx Chain B Binding Site BS02

Receptor Information

>4fcx Chain B (length=369) Species: 284812 (Schizosaccharomyces pombe 972h-)

SENTIRILISSDPHVGYGEKDPVRGNDSFVSFNEILEIARERDVDMILLG
GDIFHDNKPSRKALYQALRSLRLNCLGDKPCELELLSVCNINYLDPNINV
AIPVFSIHGNHDRYSALDILQVTGLVNYFGRVPENDNIVVSPILLQKGFT
KLALYGISNVRDERLYHSFRENKVKFLRPDLYRDEWFNLLTVHQNHSAHT
PTSYLPESFIQDFYDFVLWGHEHECLIDGSYNPTQKFTVVQPGSTIATSL
SPGETAPKHCGILNITGKDFHLEKIRLRTVRPFIMKDIILSEVSVENKKE
VLTYLISKVEEAITEANAQWYEAQEKPPLPLIRLRVDYTGGYQTENPQRF
SNRFVGRVANATDVVQFYL

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 4fcx Chain B Residue 502

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4fcx Structure of Mre11-Nbs1 complex yields insights into ataxia-telangiectasia-like disease mutations and DNA damage signaling.
• Resolution: 3.0 Å
• Binding residue (original residue number in PDB): D65 N133 H222 H250
• Binding residue (residue number reindexed from 1): D52 N110 H193 H221
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 3.1.-.-

Gene Ontology

Molecular Function

• GO:0004519 endonuclease activity
• GO:0004520 DNA endonuclease activity
• GO:0008296 3'-5'-DNA exonuclease activity
• GO:0016787 hydrolase activity
• GO:0030145 manganese ion binding

Biological Process

• GO:0006302 double-strand break repair

Cellular Component

• GO:0005634 nucleus
• GO:0030870 Mre11 complex

External links

• PDB: RCSB:4fcx, PDBe:4fcx, PDBj:4fcx
• PDBsum: 4fcx
• PubMed: 22705791
• UniProt: Q09683|RAD32_SCHPO Double-strand break repair protein rad32 (Gene Name=rad32)