1P22 Signaling Protein date Apr 14, 2003
title Structure Of A Beta-Trcp1-Skp1-Beta-Catenin Complex: Destruction Motif Binding And Lysine Specificity On The Scfbeta-Trcp1 Ubiquitin Ligase
authors G.Wu, G.Xu, B.A.Schulman, P.D.Jeffrey, J.W.Harper, N.P.Pavletich
compound source
Molecule: F-Boxwd-Repeat Protein 1a
Chain: A
Synonym: F-Box And Wd-Repeats Protein Beta-Trcp, E3rsikappab, Pikappabalpha-E3 Receptor Subunit;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus

Molecule: Skp1
Chain: B
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus

Molecule: Beta-Catenin
Chain: C
Synonym: Pro2286
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ctnnb1 Or Ctnnb
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus
symmetry Space Group: P 31
R_factor 0.230 R_Free 0.286
crystal
cell
length a length b length c angle alpha angle beta angle gamma
82.600 82.600 111.500 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.95 Å
ligand SEP enzyme
related structures by homologous chain: 1FS2
Primary referenceStructure of a beta-TrCP1-Skp1-beta-catenin complex: destruction motif binding and lysine specificity of the SCF(beta-TrCP1) ubiquitin ligase., Wu G, Xu G, Schulman BA, Jeffrey PD, Harper JW, Pavletich NP, Mol Cell 2003 Jun;11(6):1445-56. PMID:12820959
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk]
  • Biological Unit Coordinates (1p22.pdb1.gz) 87 Kb
  • LPC: Ligand-Protein Contacts for 1P22
  • CSU: Contacts of Structural Units for 1P22
  • Likely Quarternary Molecular Structure file(s) for 1P22
  • Retrieve 1P22 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1P22 from S2C, [Save to disk]
  • View 1P22 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 1P22
  • 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 1P22, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1p22a1, region A:135-252 [Jmol] [rasmolscript] [script source]
        - Domain d1p22a2, region A:253-545 [Jmol] [rasmolscript] [script source]
        - Domain d1p22b2, region B:2-59 [Jmol] [rasmolscript] [script source]
        - Domain d1p22b1, region B:64-136 [Jmol] [rasmolscript] [script source]
  • Fold representative 1p22 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: [1p22_A] [1p22_B] [1p22] [1p22_C]
  • SWISS-PROT database: [P35222] [Q9Y297] [P63208]
  • Domain organization of [CTNB1_HUMAN] [FBW1A_HUMAN] [SKP1_HUMAN] by SWISSPFAM
  • Domains found in 1P22: [FBOX] [Skp1] [WD40 ] by SMART
  • Other resources with information on 1P22
  • Community annotation for 1P22 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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