1UN0	Nuclear Import	date	Sep 03, 2003
title	Crystal Structure Of Yeast Karyopherin (Importin) Alpha In C 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 0.216 R_Free 0.257
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 Diffraction	resolution	2.60 Å
related structures	by homologous chain: 1BK6, 1EE5
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Structural 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) 72 Kb Biological Unit Coordinates (1un0.pdb2.gz) 73 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]

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Visual 3D analysis of 1UN0

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server 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] 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)

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