Single-Stranded DNA Binding Proteins

Single-Stranded DNA Binding Proteins

<i>E. coli.</i> SSB
Single-Stranded DNA Binding Protein (SSB) preferentially binds single-stranded DNA, forming a tetramer of four identical 18.9 kDa subunits which protects 8-16 nucleotides.
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Extreme Thermostable SSB (ET SSB)
Extreme Thermostable SSB is a single-stranded DNA binding protein isolated from a hyperthermophilic microorganism, which remains fully active after incubation at 95°C for 60 minutes.
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RecA Protein, <i>E. coli.</i>
Exonuclease I (ExoI) degrades single-stranded DNA in a 3' to 5' direction, leaving 5'-terminal dinucleotides intact.
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RecA Protein, Tth
Tth RecA is a RecA homolog isolated from Thermus thermophilus. It has a ssDNA-dependent ATPase activity at an optimal temperature between 65 to 75ºC. The extreme thermostability makes Tth RecA ideal for molecular biology applications that require an elevated temperature condition, such as nucleic acid amplification and sequencing.
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