Structure of PDB 3sar Chain A Binding Site BS02

Receptor Information

>3sar Chain A (length=253) Species: 1422 (Geobacillus stearothermophilus)

PELPEVETIRRTLLPLIVGKTIEDVRIFWPNIIRHPRDSEAFAARMIGQT
VRGLERRGKFLKFLLDRDALISHLRMEGRYAVASALEPLEPHTHVVFCFT
DGSELRYRDVRKFGTMHVYAKEEADRRPPLAELGPEPLSPAFSPAVLAER
AVKTKRSVKALLLDCTVVAGFGNIYVDESLFRAGILPGRPAASLSSKEIE
RLHEEMVATIGEAVMKHLYVYGRQGNPCKRCGTPIEKTVVAGRGTHYCPR
CQR

Ligand information

>3sar Chain D (length=13)

gtccaggtctacc

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3sar Strandwise translocation of a DNA glycosylase on undamaged DNA.
• Resolution: 1.95 Å
• Binding residue (original residue number in PDB): H74 R76 M77 F114 P130 C166 T167 G173 N174 R264
• Binding residue (residue number reindexed from 1): H73 R75 M76 F113 P129 C165 T166 G172 N173 R243

Enzymatic activity

• Catalytic site (original residue number in PDB): P2 E3
• Catalytic site (residue number reindexed from 1): P1 E2
• 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:3sar, PDBe:3sar, PDBj:3sar
• PDBsum: 3sar
• PubMed: 22219368
• UniProt: P84131