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DinI-like family
solution structure of dini
Identifiers
Symbol	DinI
Pfam	PF06183
InterPro	IPR010391
SCOP2	1ghh / SCOPe / SUPFAM
Available protein structures: Pfam   structures / ECOD   PDB RCSB PDB; PDBe; PDBj PDBsum structure summary

In molecular biology, the DinI-like protein family is a family of short proteins. The family includes DNA-damage-inducible protein I (DinI) and related proteins. The SOS response, a set of cellular phenomena exhibited by eubacteria, is initiated by various causes that include DNA damage-induced replication arrest, and is positively regulated by the co-protease activity of RecA. Escherichia coli DinI, a LexA-regulated SOS gene product, shuts off the initiation of the SOS response when overexpressed in vivo. Biochemical and genetic studies indicated that DinI physically interacts with RecA to inhibit its co-protease activity. The structure of DinI is known.

References

1. Yoshimasu M, Aihara H, Ito Y, Rajesh S, Ishibe S, Mikawa T, Yokoyama S, Shibata T (March 2003). "An NMR study on the interaction of Escherichia coli DinI with RecA-ssDNA complexes". Nucleic Acids Res. 31 (6): 1735–43. doi:10.1093/nar/gkg256. PMC 152859. PMID 12626715.
2. Ramirez BE, Voloshin ON, Camerini-Otero RD, Bax A (November 2000). "Solution structure of DinI provides insight into its mode of RecA inactivation". Protein Sci. 9 (11): 2161–9. doi:10.1110/ps.9.11.2161. PMC 2144493. PMID 11152126.

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