Ran GTPase-activating protein 1 - P46060 (RAGP1_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

GTPase activator for RAN (PubMed:8146159, PubMed:8896452, PubMed:16428860). Converts cytoplasmic GTP-bound RAN to GDP-bound RAN, which is essential for RAN-mediated nuclear import and export (PubMed:8896452, PubMed:27160050). Mediates dissociation of cargo from nuclear export complexes containing XPO1, RAN and RANBP2 after nuclear export (PubMed:27160050). UniProt
Pathway Maps
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Subunit Structure
Homodimer (PubMed:8146159). Interacts with RAN (PubMed:7891706, PubMed:8896452, PubMed:16428860). Forms a complex with RANBP2/NUP358, NXF1 and NXT1 (PubMed:14729961). Forms a tight complex in association with RANBP2/NUP358 and UBE2I/UBC9, the ubiquitin-conjugating enzyme E2 (PubMed:15037602, PubMed:27160050, PubMed:15931224, PubMed:22194619). Interacts with UBE2I; the interaction conjugates SUMO1 to RANGAP1, and subsequently stabilizes interactions of sumoylated RANGAP1 with RANBP2/NUP358 (PubMed:15037602, PubMed:27160050, PubMed:15931224). The complex composed of RANBP2, SUMO1, RANGAP1 and UBE2I associates with nuclear pore complexes (PubMed:15037602, PubMed:15931224). Identified in a complex composed of RAN, RANBP2, sumoylated RANGAP1, UBE2I and XPO1 (PubMed:27160050). Identified in a complex composed of RAN, RANGAP1 and RANBP1 (PubMed:16428860). Interacts with TRAF6 (PubMed:18093978). Interacts with SUMO1 and SENP1 (PubMed:17099698). Interacts (when sumoylated) with MYCBP2; interaction inhibits MYCBP2 E3 ubiquitin-protein ligase activity and promotes MYCBP2 translocation to the nucleus (PubMed:26304119). UniProt
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The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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