Plasma proteins
Intracellular
Low cell type specificity
Low immune cell specificity
Low cell line specificity
Component of the canonical replication protein A complex (RPA), a heterotrimer composed of RPA1, RPA2 and RPA3 (PubMed:27723720, PubMed:27723717). Also component of the aRPA, the alternative replication protein A complex, a trimeric complex similar to the replication protein A complex/RPA but where RPA1 and RPA3 are associated with RPA4 instead of RPA2 (PubMed:7760808, PubMed:19116208). The DNA-binding activity may reside exclusively on the RPA1 subunit. Interacts with PRPF19; the PRP19-CDC5L complex is recruited to the sites of DNA repair where it ubiquitinates the replication protein A complex (RPA) (PubMed:24332808). Interacts with RIPK1 (PubMed:16135809). Interacts with the polymerase alpha subunit POLA1/p180; this interaction stabilizes the replicative complex and reduces the misincorporation rate of DNA polymerase alpha by acting as a fidelity clamp (PubMed:9214288). Interacts with RAD51 and SENP6 to regulate DNA repair (PubMed:20705237). Interacts with HELB; this interaction promotes HELB recruitment to chromatin following DNA damage (PubMed:22194613, PubMed:26774285). Interacts with PRIMPOL; leading to recruit PRIMPOL on chromatin and stimulate its DNA primase activity (PubMed:24126761, PubMed:25550423, PubMed:28534480). Interacts with XPA; the interaction is direct and associates XPA with the RPA complex (PubMed:7700386, PubMed:9699634, PubMed:10563794). Interacts with ETAA1; the interaction is direct and promotes ETAA1 recruitment at stalled replication forks (PubMed:27601467, PubMed:27723720, PubMed:27723717). Interacts with RPA1; this interaction associates HROB with the RPA complex (By similarity).
DNA-binding
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For Research Use Only. Not For Clinical Use.