MCF7 cells were subjected to SDS PAGE followed by western blot with FNab06216(PCNA antibody) at dilution of 1:2000
IP Result of anti-PCNA (IP:FNab06216, 3ug; Detection:FNab06216 1:1500) with MCF-7 cells lysate 2500ug.
Immunohistochemistry of paraffin-embedded human stomach cancer using FNab06216(PCNA antibody) at dilution of 1:50
Background
Auxiliary protein of DNA polymerase delta and is involved in the control of eukaryotic DNA replication by increasing the polymerase's processibility during elongation of the leading strand. Induces a robust stimulatory effect on the 3'-5' exonuclease and 3'-phosphodiesterase, but not apurinic-apyrimidinic(AP) endonuclease, APEX2 activities. Has to be loaded onto DNA in order to be able to stimulate APEX2. Plays a key role in DNA damage response(DDR) by being conveniently positioned at the replication fork to coordinate DNA replication with DNA repair and DNA damage tolerance pathways(PubMed:24939902). Acts as a loading platform to recruit DDR proteins that allow completion of DNA replication after DNA damage and promote postreplication repair: Monoubiquitinated PCNA leads to recruitment of translesion(TLS) polymerases, while 'Lys-63'-linked polyubiquitination of PCNA is involved in error-free pathway and employs recombination mechanisms to synthesize across the lesion.