1UKL	Protein Transport Dna Binding Protein	date	Aug 26, 2003
title	Crystal Structure Of Importin-Beta And Srebp-2 Complex
authors	S.J.Lee, T.Sekimoto, E.Yamashita, E.Nagoshi, A.Nakagawa, N.Imamot M.Yoshimura, H.Sakai, T.Tsukihara, Y.Yoneda
compound		source
Molecule: Importin Beta-1 Subunit Chain: A, B Synonym: Importin-Beta Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-2t
Molecule: Sterol Regulatory Element Binding Protein-2 Chain: C, D, E, F Fragment: Residues 343-403 Synonym: Srebp-2 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-3
symmetry	Space Group: P 21 21 21	R_factor 0.239 R_Free 0.297
crystal cell	length a length b length c angle alpha angle beta angle gamma 101.092 113.285 240.044 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	MSE	enzyme
related structures	by homologous chain: 1AM9, 1M5N
Gene Ontology	Chain Function Process Component A, B F, D, C, E
Primary reference	The structure of importin-beta bound to SREBP-2: nuclear import of a transcription factor., Lee SJ, Sekimoto T, Yamashita E, Nagoshi E, Nakagawa A, Imamoto N, Yoshimura M, Sakai H, Chong KT, Tsukihara T, Yoneda Y, Science 2003 Nov 28;302(5650):1571-5. PMID:14645851

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (317 Kb) [Save to disk] Biological Unit Coordinates (1ukl.pdb1.gz) 157 Kb Biological Unit Coordinates (1ukl.pdb2.gz) 158 Kb LPC: Ligand-Protein Contacts for 1UKL CSU: Contacts of Structural Units for 1UKL Likely Quarternary Molecular Structure file(s) for 1UKL Retrieve 1UKL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UKL from S2C, [Save to disk]

View 1UKL 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 1UKL

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1UKL, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ukla_, region A [Jmol] [rasmolscript] [script source]     - Domain d1uklb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1uklc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1ukld_, region D [Jmol] [rasmolscript] [script source]     - Domain d1ukle_, region E [Jmol] [rasmolscript] [script source]     - Domain d1uklf_, region F [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: [1ukl_F] [1ukl_C] [1ukl_E] [1ukl_B] [1ukl_D] [1ukl_A] [1ukl] SWISS-PROT database: [P70168] [Q12772] Domain organization of [IMB1_MOUSE] [SRBP2_HUMAN] by SWISSPFAM Domains found in 1UKL: [HLH] [IBN_N ] by SMART

Other resources with information on 1UKL

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

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