1IBR	Cell Cycle,Translation	date	May 14, 1999
title	Complex Of Ran With Importin Beta
authors	I.R.Vetter, A.Arndt, U.Kutay, D.Goerlich, A.Wittinghofer
compound		source
Molecule: Gtp-Binding Nuclear Protein Ran Chain: A, C Synonym: Ran; Tc4; Ran Gtpase; Androgen Receptor- Associated Protein 24; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 Expression_system_variant: De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3d
Molecule: Importin Beta-1 Subunit Chain: B, D Fragment: Residues 1-462 Synonym: Karyopherin Beta-1 Subunit; P95; Nuclear Factor P97; Importin 90		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 1 21 1	R_factor 0.245 R_Free 0.272
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.700 108.950 114.050 90.00 100.66 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	GNP, MG	enzyme
related structures	by homologous chain: 1QG4, 1QGK, 1QGR, 3RAN
Gene Ontology	Chain Function Process Component A, C intracellular transport of v... D, B
Primary reference	Structural view of the Ran-Importin beta interaction at 2.3 A resolution., Vetter IR, Arndt A, Kutay U, Gorlich D, Wittinghofer A, Cell 1999 May 28;97(5):635-46. PMID:10367892

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (211 Kb) [Save to disk] Biological Unit Coordinates (1ibr.pdb1.gz) 106 Kb Biological Unit Coordinates (1ibr.pdb2.gz) 102 Kb LPC: Ligand-Protein Contacts for 1IBR CSU: Contacts of Structural Units for 1IBR Likely Quarternary Molecular Structure file(s) for 1IBR Retrieve 1IBR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IBR from S2C, [Save to disk]

View 1IBR 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 1IBR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IBR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ibra_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ibrb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ibrc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1ibrd_, region D [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: [1ibr_B] [1ibr_A] [1ibr] [1ibr_C] [1ibr_D] SWISS-PROT database: [Q14974] [P62826] Belongs to the eukaryotic nuclear pore complex (e-npc) family according to TCDB. Belongs to the small nuclear rna exporter (snrna-e) according to TCDB. Domain organization of [IMB1_HUMAN] [RAN_HUMAN] by SWISSPFAM Domains found in 1IBR: [IBN_N] [RAN ] by SMART

Other resources with information on 1IBR

Community annotation for 1IBR at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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