Structure of PDB 1r2z Chain A Binding Site BS01

Receptor Information

>1r2z Chain A (length=273) Species: 1422 (Geobacillus stearothermophilus)

PQLPEVETIRRTLLPLIVGKTIEDVRIFWPNIIRHPRDSEAFAARMIGQT
VRGLERRGKFLKFLLDRDALISHLRMEGRYAVASALEPLEPHTHVVFCFT
DGSELRYRDVRKFGTMHVYAKEEADRRPPLAELGPEPLSPAFSPAVLAER
AVKTKRSVKALLLDQTVVAGFGNIYVDESLFRAGILPGRPAASLSSKEIE
RLHEEMVATIGEAVMKGGSTVRTYVNTQGEAGTFQHHLYVYGRQGNPCKR
CGTPIEKTVVAGRGTHYCPRCQR

Ligand information

>1r2z Chain B (length=12)

gtagacctggac

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1r2z DNA Lesion Recognition by the Bacterial Repair Enzyme MutM.
• Resolution: 1.63 Å
• Binding residue (original residue number in PDB): H93 V111 R112 K113 F114 R157
• Binding residue (residue number reindexed from 1): H92 V110 R111 K112 F113 R156

Enzymatic activity

• Enzyme Commision number: 3.2.2.23: DNA-formamidopyrimidine glycosylase.
  4.2.99.18: DNA-(apurinic or apyrimidinic site) lyase.

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0003677 DNA binding
• GO:0003684 damaged DNA binding
• GO:0003906 DNA-(apurinic or apyrimidinic site) endonuclease activity
• GO:0008270 zinc ion binding
• GO:0008534 oxidized purine nucleobase lesion DNA N-glycosylase activity
• GO:0016787 hydrolase activity
• GO:0016798 hydrolase activity, acting on glycosyl bonds
• GO:0016799 hydrolase activity, hydrolyzing N-glycosyl compounds
• GO:0016829 lyase activity
• GO:0019104 DNA N-glycosylase activity
• GO:0034039 8-oxo-7,8-dihydroguanine DNA N-glycosylase activity
• GO:0046872 metal ion binding
• GO:0140078 class I DNA-(apurinic or apyrimidinic site) endonuclease activity

Biological Process

• GO:0006281 DNA repair
• GO:0006284 base-excision repair

External links

• PDB: RCSB:1r2z, PDBe:1r2z, PDBj:1r2z
• PDBsum: 1r2z
• PubMed: 14525999
• UniProt: P84131