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 Diffraction	resolution	2.95 Å
ligand	SEP	enzyme
related structures	by homologous chain: 1FS2
Gene Ontology	Chain Function Process Component B ubiquitin-protein ligase act... protein binding G1 phase of mitotic cell cyc... G1/S transition of mitotic c... S phase of mitotic cell cycl... mitotic cell cycle ubiquitin-dependent protein ... Notch signaling pathway viral reproduction protein ubiquitination anaphase-promoting complex-d... SCF-dependent proteasomal ub... histone H2A monoubiquitinati... positive regulation of ubiqu... regulation of ubiquitin-prot... nucleoplasm cytosol SCF ubiquitin ligase complex... PcG protein complex
Primary reference	Structure 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

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_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 Alignments of the sequence of 1P22 with the sequences similar proteins can be viewed for 1P22's classification [CTNB1_HUMAN] [FBW1A_HUMAN] [SKP1_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [CTNB1_HUMAN] [FBW1A_HUMAN] [SKP1_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1P22

Community annotation for 1P22 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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