Structure of PDB 2bq3 Chain A Binding Site BS01

Receptor Information

>2bq3 Chain A (length=341) Species: 273057 (Saccharolobus solfataricus P2)

MIVLFVDFDYFYAQVEEVLNPSLKGKPVVVCVFSGRFEDSGAVATANYEA
RKFGVKAGIPIVEAKKILPNAVYLPMRKEVYQQVSSRIMNLLREYSEKIE
IASIDEAYLDISDKVRDYREAYNLGLEIKNKILEKEKITVTVGISKNKVF
AKIAADMAKPNGIKVIDDEEVKRLIRELDIADVPGIGNITAEKLKKLGIN
KLVDTLSIEFDKLKGMIGEAKAKYLISLARDEYNEPIRTRVRKSIGRIVT
MKRNSRNLEEIKPYLFRAIEESYYKLDKRIPKAIHVVAVTEDLDIVSRGR
TFPHGISKETAYSESVKLLQKILEEDERKIRRIGVRFSKFI

Ligand information

>2bq3 Chain P (length=14)

gggggaaggattca

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2bq3 DNA Adduct Bypass Polymerization by Sulfolobus Solfataricus DNA Polymerase Dpo4: Analysis and Crystal Structures of Multiple Base Pair Substitution and Frameshift Products with the Adduct 1,N2-Ethenoguanine.
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): A57 G58 D105 G185 G187 I189 T190 K193 V296 S297 R298 T301 K339 I341
• Binding residue (residue number reindexed from 1): A57 G58 D105 G185 G187 I189 T190 K193 V296 S297 R298 T301 K339 I341

Enzymatic activity

• Enzyme Commision number: 2.7.7.7: DNA-directed DNA polymerase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0003677 DNA binding
• GO:0003684 damaged DNA binding
• GO:0003887 DNA-directed DNA polymerase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006260 DNA replication
• GO:0006261 DNA-templated DNA replication
• GO:0006281 DNA repair
• GO:0006974 DNA damage response
• GO:0042276 error-prone translesion synthesis

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:2bq3, PDBe:2bq3, PDBj:2bq3
• PDBsum: 2bq3
• PubMed: 15965231
• UniProt: Q97W02|DPO4_SACS2 DNA polymerase IV (Gene Name=dbh)