9DXM: Yeast Exportin Msn5

Cryo-EM structure of yeast Exportin Msn5 bound to RanGTP and Pho4 (not modeled) (State 2-1). Determined by electron microscopy at 3.2 Å resolution. Released 19 Mar 2025.

Method
Electron microscopy
Resolution
3.2 Å
Organism
Saccharomyces cerevisiae
Chains
2
Atoms
10,056
Mol. weight
164.9 kDa
Ligands
MG, GTP
Released
19 Mar 2025

Explore 9DXM in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9DXM contains 78 α-helices and 11 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 71 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix6-1712
α-helix23-3816
α-helix42-5211
α-helix57-7317
α-helix80-9516
α-helix103-12018
α-helix123-1264
α-helix132-1376
α-helix142-15211
α-helix154-16815
α-helix169-1735
α-helix177-1804
α-helix183-19412
α-helix197-2037
α-helix208-2114
α-helix221-23414
α-helix237-24711
α-helix256-2627
α-helix264-2729
α-helix277-29216
α-helix298-31013
α-helix312-32211
α-helix335-34612
α-helix348-3547
α-helix361-37313
α-helix378-39215
α-helix398-4047
α-helix406-41510
α-helix420-4223
α-helix429-4357
α-helix439-46325
α-helix465-47915
α-helix483-4897
α-helix499-52426
α-helix531-55020
α-helix557-57014
α-helix576-59015
α-helix604-62623
α-helix628-6325
α-helix635-64511
α-helix646-6483
α-helix651-66717
α-helix673-68513
α-helix686-6894
α-helix691-6966
α-helix700-7078
α-helix709-71810
α-helix727-7293
β-strand73111
α-helix7321
α-helix734-75017
α-helix753-76311
α-helix770-78415
α-helix788-80114
α-helix807-8093
α-helix812-8143
α-helix815-8217
β-strand84911
α-helix850-87627
α-helix880-8834
α-helix888-8969
α-helix912-9187
α-helix919-9235
α-helix924-9285
α-helix935-95925
α-helix979-100224
α-helix1018-102912
α-helix1031-104616
α-helix1050-106718
α-helix1073-10775
α-helix1078-10825
α-helix1083-10853
α-helix1102-111413
Chain B: 7 helices, 9 β-strands
ElementResiduesLengthSheet
β-strand12-1982
α-helix25-339
β-strand47-56102
β-strand59-68102
α-helix80-823
β-strand87-9372
α-helix97-1015
α-helix103-1119
β-strand119-12462
α-helix140-1445
β-strand147-15042
β-strand15213
β-strand15513
α-helix156-1583
α-helix161-17111
β-strand178-17922

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein MSN5Aprotein1230Saccharomyces cerevisiaeP52918 (AlphaFold model)
GTP-binding nuclear protein GSP1/CNR1Bprotein186Saccharomyces cerevisiaeP32835 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9DXM_1 Protein MSN5 (chains A)
MDSTGASQIVSALDVIYSPKSNNSQRQEAQKFLDEVKLCSESPFWGYEIALQNPTNSILK
YFGLGLLDHAVKKNWNDYDEGKRVALRKWVMELNFGVQDYDTRYIKEKLATLWVEVAKRT
WGEALKQTNPTEEQLLTSWVDMDNNLFELWNINQSSRELALIIFRILFEDVFLLDDLIVL
KRMTVIQPLCVMIVCPIEVFAIKYKFSDKWTKFKANEEGWFSVWIPELNNALQQNNSEYI
IRLLETLKTCLNWPLTEVIVRNDVLSSLLTCLSSNIPRAQSMALDSIHILLTRPYSNESH
YQMTIDRVFDNMDLLDSVYESLLFDPTDDIDETKYPIIKKFVDMISCLYVCVPKIKETNG
QIQKYFKLVLKTTYNPSLIVSGLTLDLWCTCLRNDEYLPKLEKYVIPDLLQFAADALVYY
EQIDGHISKKFAEIDFQSKSEFQTFCSTYRKRIRDIIRLISCVELDLTYDWLNNRLNNYF
SSPFGQQVLSSTFLDHKLEPYLGALSQYMIVECFINGCIRWKIWYPTGDDYDEKLDSILQ
KLEILSNQLIALNLREPLLLKKQIQNFALFLTMLKDNVLFTLLEKIITSATMDYPEINLE
ERGAESDAVRDLRYACGIELNRMALLMPESLKKIYPDLESVIARIMPNLSYHEKISFKSF
LLIIVLKSSLDMKEERFAAIVDPELLAWSDKTTVVGLSDLHWFMERLGIVQIAEYFQRRD
IDENSDLLSIPIDDEGKELKSELTKRWQSLFPVRATRMFIHYSMQSIKTDEEFKMLQDLW
RPRIVPILPYITRLLYQLQSYHDPDNWKGLPTVVQSFVKYSTIERFWEAGASNKSKDEFI
DEHMKAMQTLRDFADSVGHIIRYTREYTLLVLSAISSLGSVFYLLDESPDLLLNSIAIFK
PGSNEISPGVSTHGWKHIMNIAIRPILKGCPKDCLGKFMPAFLPKLFEILDLLLCQKWSS
HMNDMDMNPVPTDDDQMTEEILEENLLRQLTTVVVRIVIDCVGQGNANPNSAKSRLNNHQ
MEMRKIIFNDLNTLAPFLKLLNHLISFKDTKCSFNSILVMKCCLTSVLNQNNTVDEYFTF
EVMKNLLLNVLCNSAFKDSFHEALYAFTVIFLTLCKEYPSARAFLFEISNGYNIDELYRN
LRSVDEYKTQRALMIDFIDWVKSTSGKEDGNVDHAGDERKRQEKREAILKKANERLIKKN
KENGDMLDDPNIEDGAVGNLFDDNENLYFQ
Sequence of entity 2 (B), FASTA
>9DXM_2 GTP-binding nuclear protein GSP1/CNR1 (chains B)
MASAPAANGEVPTFKLVLVGDGGTGKTTFVKRHLTGEFEKKYIATIGVEVHPLSFYTNFG
EIKFDVWDTAGLEKFGGLRDGYYINAQCAIIMFDVTSRITYKNVPNWHRDLVRVCENIPI
VLCGNKVDVKERKVKAKTITFHRKKNLQYYDISAKSNYNFEKPFLWLARKLAGNPQLEFV
ENLYFQ

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
GTPGuanosine-5'-triphosphateC10 H16 N5 O14 P31

Primary citation

Phosphate-dependent nuclear export via a non-classical NES class recognized by exportin Msn5. Fung, H.Y.J., Mittal, S.R., Niesman, A.B. et al. Nat Commun (2025) 16:2580-2580. DOI 10.1038/s41467-025-57752-3 · PubMed

Other PDB entries of the same protein (UniProt P52918 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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