This protein is an 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 (By similarity). PCNA_TOBAC Proliferating cell nuclear antigen MLELRLVQGSLLKKVLESIKDLVNDANFDCSATGFSLQAMDSSHVALVALLLRSEGFEHYRCDRNISMGMNLANMAKMLKCAGNDDIITLKADDGSDTVTFMFESPTQDKIADFEMKLMDIDSEHLGIPEAEYHAIVRMPSAEFSRICKDLSSIGDTVVISVTKEGVKFSTRGDIGTANIVCRQNTTVDKPEEATVIEMNEPVSLTFALRYLNSFTKATPLSNTVTISLSSELPVVVEYKIAEMGYIRFYLAPKIEEDEEETKP PCNA 264