ExoVII_LU_OBF: A subfamily of OB folds corresponding to the N-terminal OB-fold domain of Escherichia coli exodeoxyribonuclease VII (ExoVII) large subunit. E. coli ExoVII is composed of two non-identical subunits. E. coli ExoVII is a single-strand-specific exonuclease which degrades ssDNA from both 3-prime and 5-prime ends. ExoVII plays a role in methyl-directed mismatch repair in vivo. ExoVII may also guard the genome from mutagenesis by removing excess ssDNA, since the build up of ssDNA would lead to SOS induction and PolIV-dependent mutagenesis.
Comment:Based on similarity to various OB folds with structures.
Comment:The generic binding surface I contains nucleic acid partners in most OB-fold complexes. In some cases, this surface may also contain the sites for protein-protein interaction.
Jiyao W et al.(2023). "The conserved domain database in 2023.",