Summary for RanGAP1 (NES ID: 338)

Full Name
Ran GTPase-activating protein 1     UniProt    
Alternative Names
None
Organism
Mus musculus (Mouse)    
Experimental Evidence for CRM1-mediated Export
Mutations That Affect Nuclear Export
Unknown
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
Undetermined
Secondary Structure of Export Signal
Unknown
Other Residues Important for Export
Unknown
Sequence
Show FASTA Format Show Domain Info by CDD Show Secondary Structure by PSIPRED Show Conservation Score by AL2CO
10 20 30 40 50 60
MASEDIAKLA ETLAKTQVAG GQLSFKGKGL KLNTAEDAKD VIKEIEEFDG LEALRLEGNT
70 80 90 100 110 120
VGVEAARVIA KALEKKSELK RCHWSDMFTG RLRSEIPPAL ISLGEGLITA GAQLVELDLS
130 140 150 160 170 180
DNAFGPDGVR GFEALLKSPA CFTLQELKLN NCGMGIGGGK ILAAALTECH RKSSAQGKPL
190 200 210 220 230 240
ALKVFVAGRN RLENDGATAL AEAFGIIGTL EEVHMPQNGI NHPGVTALAQ AFAINPLLRV
250 260 270 280 290 300
INLNDNTFTE KGGVAMAETL KTLRQVEVIN FGDCLVRSKG AVAIADAVRG GLPKLKELNL
310 320 330 340 350 360
SFCEIKRDAA LVVAEAVADK AELEKLDLNG NALGEEGCEQ LQEVMDSFNM AKVLASLSDD
370 380 390 400 410 420
EGEDEDEEEE GEEDDEEEED EEDEEDDDEE EEEQEEEEEP PQRGSGEEPA TPSRKILDPN
430 440 450 460 470 480
SGEPAPVLSS PTPTDLSTFL SFPSPEKLLR LGPKVSVLIV QQTDTSDPEK VVSAFLKVAS
490 500 510 520 530 540
VFRDDASVKT AVLDAIDALM KKAFSCSSFN SNTFLTRLLI HMGLLKSEDK IKAIPSLHGP
550 560 570 580
LMVLNHVVRQ DYFPKALAPL LLAFVTKPNG ALETCSFARH NLLQTLYNI
3D Structures in PDB
1KPS (X-Ray,2.5 Å resolution)
Comments
RanGAP1 is the GTPase-activating protein for Ran which helps maintain the RanGTP/GDP gradient required for nucleocytoplasmic transport. Matunis et al. found that RanGAP1 associates with the nuclear pore complex (NPC) for its function (requires a SUMO-1 modification) but can also be found in the cytosol. Its N-terminal region contains 9 leucine-rich repeats that resemble NESs (46-59, 109-122, 177-190, 205-218, 233-246, 261-274, 290-303, 318-331). This N-terminal region is conserved across different organisms. Yeast RanGAP1 is listed in entry #337, with region 316-357 shown to be functional NES. Cha et al. later found that RanGAP1 accumulates in the nucleus upon LMB treatment and CRM1 knockdown. LMB treatment also caused dissociation of the RanGAP1 from NPC to the nucleoplasm and an increase in RanGAP1 sumoylation. Ref.1SUMO-1 Modification and Its Role in Targeting the Ran GTPase-activating Protein, RanGAP1, to the Nuclear Pore Complex, Martunis et al., J Cell Biol, 1998
References
[1]. "SUMO-1 Modification and Its Role in Targeting the Ran GTPase-activating Protein, RanGAP1, to the Nuclear Pore Complex"
Matunis MJ, Wu J, Blobel G. (1998) J Cell Biol, 140(3):499-509 PubMed
[2]. "The Cellular Distribution of RanGAP1 Is Regulated by CRM1-Mediated Nuclear Export in Mammalian Cells"
Cha K, Sen P, Raghunayakula S, Zhang XD. (2015) PLoS One, 10(10):e0141309 PubMed
User Input
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