dnaN is the gene that codes for the DNA clamp (also known as β sliding clamp) of DNA polymerase III in prokaryotes.[2][3] The β clamp physically locks Pol III onto a DNA strand during replication to help increase its processivity.[4] The eukaryotic equivalent to the β clamp is PCNA.

Quick Facts DNA polymerase III subunit beta, Identifiers ...
DNA polymerase III subunit beta
Thumb
Crystallographic structure of the dimeric DNA polymerase beta subunit from E. coli.[1]
Identifiers
OrganismEscherichia coli
(str. K-12 substr. MG1655)
SymboldnaN
Entrez948218
PDB1MMI
RefSeq (Prot)NP_418156
UniProtP0A988
Other data
EC number2.7.7.7
ChromosomeMG1655: 3.88 - 3.88 Mb
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StructuresSwiss-model
DomainsInterPro
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References

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