1UN0 Nuclear Import date Sep 03, 2003
title Crystal Structure Of Yeast Karyopherin (Importin) Alpha In Complex With A Nup2p N-Terminal Fragment
authors Y.Matsuura, A.Lange, M.T.Harreman, A.H.Corbett, M.Stewart
compound source
Molecule: Importin Alpha Subunit
Chain: A, B
Fragment: Armadillo Repeat Domain, Residues 88-530
Synonym: Kap60p, Karyopherin Alpha Subunit, Serine-Rich Rna Polymerase I Suppressor Protein;
Engineered: Yes
Mutation: Yes
Organism_scientific: Saccharomyces Cerevisiae
Organism_common: Baker'S Yeast
Organism_taxid: 4932
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pet30a

Molecule: Nucleoporin Nup2
Chain: C, D
Fragment: N-Terminal Fragment, Residues 1-51
Synonym: Nup2p, Nuclear Pore Protein Nup2, P95
Engineered: Yes

Organism_scientific: Saccharomyces Cerevisiae
Organism_common: Baker'S Yeast
Organism_taxid: 4932
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pet30a
symmetry Space Group: P 21 21 2
R_factor 0.21566 R_Free 0.25735
crystal
cell
length a length b length c angle alpha angle beta angle gamma
129.813 140.076 63.990 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.6 Å
related structures by homologous chain: 1BK6, 1EE5
Gene
Ontology
ChainFunctionProcessComponent
A, B


D, C


Primary referenceStructural basis for Nup2p function in cargo release and karyopherin recycling in nuclear import., Matsuura Y, Lange A, Harreman MT, Corbett AH, Stewart M, EMBO J 2003 Oct 15;22(20):5358-69. PMID:14532109
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (149 Kb) [Save to disk]
  • Biological Unit Coordinates (1un0.pdb1.gz) 74 Kb
  • Biological Unit Coordinates (1un0.pdb2.gz) 75 Kb
  • CSU: Contacts of Structural Units for 1UN0
  • Likely Quarternary Molecular Structure file(s) for 1UN0
  • Retrieve 1UN0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1UN0 from S2C, [Save to disk]
  • View 1UN0 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1UN0
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1UN0, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1un0a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1un0b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1un0 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1un0_A] [1un0_D] [1un0_C] [1un0] [1un0_B]
  • SWISS-PROT database: [Q02821] [P32499]
  • Belongs to the eukaryotic nuclear pore complex (e-npc) family according to TCDB.
  • Domain organization of [IMA1_YEAST] [NUP2_YEAST] by SWISSPFAM
  • Domain found in 1UN0: [ARM ] by SMART
  • Other resources with information on 1UN0
  • Community annotation for 1UN0 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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