2AST Ligase Ligase Inhibitor date Aug 24, 2005
title Crystal Structure Of Skp1-Skp2-Cks1 In Complex With A P27 Pe
authors B.Hao, N.Zhang, B.A.Schulman, G.Wu, M.Pagano, N.P.Pavletich
compound source
Molecule: S-Phase Kinase-Associated Protein 1a
Chain: A
Synonym: Cyclin Acdk2-Associated Protein P19, P19a, P19skp Polymerase II Elongation Factor-Like Protein, Organ Of Cort 2, Ocp-II Protein, Ocp-2, Transcription Elongation Factor B
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Skp1a, Emc19, Ocp2, Skp1, Tceb1l
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex4t1

Molecule: S-Phase Kinase-Associated Protein 2
Chain: B
Synonym: F-Box Protein Skp2, Cyclin Acdk2-Associated Prote P45skp2, F-Boxlrr-Repeat Protein 1;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Skp2, Fbxl1
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex4t1

Molecule: Cyclin-Dependent Kinases Regulatory Subunit 1
Chain: C
Synonym: Cks-1
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cks1, Cks1b
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex4t3

Molecule: Cyclin-Dependent Kinase Inhibitor 1b
Chain: D
Synonym: Cyclin-Dependent Kinase Inhibitor P27, P27kip1
Engineered: Yes

Synthetic: Yes
Other_details: Chemical Synthesis, This Sequence Occurs Nat Humans.
symmetry Space Group: P 32 2 1
R_factor 0.202 R_Free 0.221
crystal
cell
length a length b length c angle alpha angle beta angle gamma
148.700 148.700 98.800 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.30 Å
ligand BEN, TPO enzyme
Gene
Ontology
ChainFunctionProcessComponent
A


C


Primary referenceStructural Basis of the Cks1-Dependent Recognition of p27(Kip1) by the SCF(Skp2) Ubiquitin Ligase., Hao B, Zheng N, Schulman BA, Wu G, Miller JJ, Pagano M, Pavletich NP, Mol Cell 2005 Oct 7;20(1):9-19. PMID:16209941
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk]
  • Biological Unit Coordinates (2ast.pdb1.gz) 96 Kb
  • Biological Unit Coordinates (2ast.pdb2.gz) 189 Kb
  • Biological Unit Coordinates (2ast.pdb3.gz) 189 Kb
  • LPC: Ligand-Protein Contacts for 2AST
  • CSU: Contacts of Structural Units for 2AST
  • Likely Quarternary Molecular Structure file(s) for 2AST
  • Structure Factors (610 Kb)
  • Retrieve 2AST in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2AST from S2C, [Save to disk]
  • Re-refined 2ast structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2AST 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 2AST
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2AST, from MSDmotif at EBI
  • Fold representative 2ast from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ast_D] [2ast] [2ast_C] [2ast_B] [2ast_A]
  • SWISS-PROT database: [P46527] [P61024] [P63208] [Q13309]
  • Domain organization of [CDN1B_HUMAN] [CKS1_HUMAN] [SKP1_HUMAN] [SKP2_HUMAN] by SWISSPFAM
  • Domains found in 2AST: [CKS] [FBOX] [LRR] [Skp1 ] by SMART
  • Other resources with information on 2AST
  • Community annotation for 2AST 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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