NCBI Accession #
NP_175203.2
NCBI GenBank Nucleotide #
NM_103665.3
NCBI Official Full Name
Primosome PriB/single-strand DNA-binding protein
NCBI Official Symbol
OSB1
NCBI Official Synonym Symbols
Organellar Single-stranded; T2E6.21
NCBI Protein Information
Primosome PriB/single-strand DNA-binding protein
NCBI Summary
Encodes an organellar single-strand DNA binding protein, located in mitochondria, controls the stoichiometry of alternative mitochondrial DNA forms generated by homologous recombination.
UniProt Protein Name
Protein OSB1, mitochondrial
UniProt Synonym Protein Names
Organellar single-stranded DNA-binding protein 1
UniProt Primary Accession #
Q9SX99
UniProt Secondary Accession #
Q9FZE9
UniProt Related Accession #
Q9SX99
UniProt Comments
Regulates mitochondrial DNA recombination. Represses homologous recombination, preventing mitochondrial genome instability and unbalanced transmission of alternative mtDNA configurations. Binds preferentially single-stranded DNA. Does not bind to RNA.