4C31: Nup1:Sac3:Sus1 complex

Nup1:Sac3:Sus1 complex. Determined by X-ray diffraction at 3.0 Å resolution. Released 16 Apr 2014.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
SACCHAROMYCES CEREVISIAE
Chains
8
Atoms
2,340
Mol. weight
45.86 kDa
Released
16 Apr 2014

Explore 4C31 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4C31 contains 13 α-helices and 6 β-strands across 8 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.

Chains A and D: 1 helix, 0 β-strands

ElementResiduesLengthSheet
α-helix757-78428
Chain B: 5 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix5-1814
α-helix21-3515
α-helix38-5215
α-helix58-7114
α-helix75-9218
β-strand9311
Chain C: 1 helix, 1 β-strand
ElementResiduesLengthSheet
α-helix331-3322
β-strand33312
Chain E: 5 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix5-1814
α-helix21-3515
α-helix38-5215
α-helix58-7215
α-helix75-9218
β-strand9313
Chain F: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand33312
Chains X and Y: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand32911

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Nuclear mRNA export protein SAC3A, Dprotein33SACCHAROMYCES CEREVISIAEP46674 (AlphaFold model)
Protein SUS1B, Eprotein96SACCHAROMYCES CEREVISIAEQ6WNK7 (AlphaFold model)
Nucleoporin NUP1C, F, X, Yprotein36SACCHAROMYCES CEREVISIAEP20676 (AlphaFold model)
Sequence of entity 1 (A, D), FASTA
>4C31_1 NUCLEAR MRNA EXPORT PROTEIN SAC3 (chains A, D)
GSRKDFIDTMTRELYDAFLHERLYLIYMDSRAE
Sequence of entity 2 (B, E), FASTA
>4C31_2 PROTEIN SUS1 (chains B, E)
MTMDTAQLKSQIQQYLVESGNYELISNELKARLLQEGWVDKVKDLTKSEMNINESTNFTQ
ILSTVEPKALEMVSDSTRETVLKQIREFLEEIVDTQ
Sequence of entity 3 (C, F, X, Y), FASTA
>4C31_3 NUCLEOPORIN NUP1 (chains C, F, X, Y)
GSPKKDKESIVLPTVGFDFIKDNETPSKKTSPKATS

Primary citation

Structural Basis for Binding the Trex2 Complex to Nuclear Pores, Gal1 Localisation and Mrna Export. Jani, D., Valkov, E., Stewart, M. Nucleic Acids Res (2014) 42:6686. DOI 10.1093/NAR/GKU252 · PubMed

Other PDB entries of the same protein (UniProt P46674 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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