Structure of PDB 4irk Chain A

Receptor sequence
>4irkA (length=342) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
GSRKIIHVDMDCFFAAVEMRDNPALRDIPIAIGGSRERRGVISTANYPAR
KFGVRSAMPTGMALALCPHLTLLPGRFDAYKEASNHIREIFSRYTSRIEP
LSLDEAYLDVTDSVHCHGSATLIAQEIRQTIFNELQLTASAGVAPVKFLA
KIASDMNKPNGQFVITPAEVPAFLQTLPLAKIPGVGKVSAAKLEAMGLRT
CGDVQACDLVMLLKRFGKFGRILWERSQGIDERDVNSERLRKSVGVERTM
AEDIHHWSECEAIIERLYPELERRLAKVKPDLLIARQGVKLKFDDFQQTT
QEHVWPRLNKADLIATARKTWDERRGGRGVRLVGLHVTLLDP
3D structure
PDB4irk A strategically located serine residue is critical for the mutator activity of DNA polymerase IV from Escherichia coli.
ChainA
Resolution2.32 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number 2.7.7.7: DNA-directed DNA polymerase.
Interaction with ligand
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:0005515 protein binding
GO:0008296 3'-5'-DNA exonuclease activity
GO:0046872 metal ion binding
Biological Process
GO:0000731 DNA synthesis involved in DNA repair
GO:0006260 DNA replication
GO:0006261 DNA-templated DNA replication
GO:0006281 DNA repair
GO:0006974 DNA damage response
GO:0009432 SOS response
GO:0042276 error-prone translesion synthesis
GO:0070987 error-free translesion synthesis
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4irk, PDBe:4irk, PDBj:4irk
PDBsum4irk
PubMed23525461
UniProtQ47155|DPO4_ECOLI DNA polymerase IV (Gene Name=dinB)

[Back to BioLiP]