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.Imamoto, 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 Diffractionresolution 3.00 Å
ligand MSE enzyme
related structures by homologous chain: 1AM9, 1M5N
Gene
Ontology
ChainFunctionProcessComponent
A, B


F, D, C, E


Primary referenceThe 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] (325 Kb) [Save to disk]
  • Biological Unit Coordinates (1ukl.pdb1.gz) 161 Kb
  • Biological Unit Coordinates (1ukl.pdb2.gz) 161 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
  • 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 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]
  • Fold representative 1ukl 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: [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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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