Structure of PDB 1s97 Chain B Binding Site BS02

Receptor Information

>1s97 Chain B (length=341) Species: 2287 (Saccharolobus solfataricus)

MIVLFVDFDYFYAQVEEVLNPSLKGKPVVVCVFSGRFEDSGAVATANYEA
RKFGVKAGIPIVEAKKILPNAVYLPMRKEVYQQVSSRIMNLLREYSEKIE
IASIDEAYLDISDKVRDYREAYNLGLEIKNKILEKEKITVTVGISKNKVF
AKIAADMAKPNGIKVIDDEEVKRLIRELDIADVPGIGNITAEKLKKLGIN
KLVDTLSIEFDKLKGMIGEAKAKYLISLARDEYNEPIRTRVRKSIGRIVT
MKRNSRNLEEIKPYLFRAIEESYYKLDKRIPKAIHVVAVTEDLDIVSRGR
TFPHGISKETAYSESVKLLQKILEEDERKIRRIGVRFSKFI

Ligand information

>1s97 Chain J (length=17)

tcagtagtccttccccc

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1s97 Dpo4 is hindered in extending a G.T mismatch by a reverse wobble
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): F37 S40 G41 A42 P60 V62 G218 A220 R242 K243 S244 G246 R247 I248 V249 T250 L293 R331 R332 R336
• Binding residue (residue number reindexed from 1): F37 S40 G41 A42 P60 V62 G218 A220 R242 K243 S244 G246 R247 I248 V249 T250 L293 R331 R332 R336

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:1s97, PDBe:1s97, PDBj:1s97
• PDBsum: 1s97
• PubMed: 15077104
• UniProt: Q97W02|DPO4_SACS2 DNA polymerase IV (Gene Name=dbh)