2X1N Cell Cycle date Dec 31, 2009
title Truncation And Optimisation Of Peptide Inhibitors Of Cdk2, C Through Structure Guided Design
authors G.Kontopidis, M.J.Andrews, C.Mcinnes, A.Plater, L.Innes, S.Renach A.Cowan, P.M.Fischer, N.A.Mcintyre, G.Griffiths, A.L.Barnett, A.M.Z.Slawin, W.Jackson, M.Thomas, D.I.Zheleva, S.Wang, D.G.Blak N.J.Westwood
compound source
Molecule: Cell Division Protein Kinase 2
Chain: A, C
Synonym: Cyclin-Dependent Kinase 2, P33 Protein Kinase
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_vector_type: Baculovirus

Molecule: Cyclin-A2
Chain: B, D
Fragment: Residues 172-432
Synonym: Cyclin-A
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Ace-Leu-Asn-Pff-Nh2
Chain: H
Engineered: Yes

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630
symmetry Space Group: P 21 21 21
R_factor 0.200 R_Free 0.255
length a length b length c angle alpha angle beta angle gamma
74.558 114.257 157.277 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.75 Å
ligand ACE, NH2, PFF, X1N BindingDB enzyme Transferase E.C. BRENDA
note 2X1N supersedes 2WHA
A, C

D, B

Primary referenceTruncation and Optimisation of Peptide Inhibitors of Cyclin-Dependent Kinase 2-Cyclin A Through Structure-Guided Design., Kontopidis G, Andrews MJ, McInnes C, Plater A, Innes L, Renachowski S, Cowan A, Fischer PM, ChemMedChem. 2009 May 26. PMID:19472269
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (196 Kb) [Save to disk]
  • Biological Unit Coordinates (2x1n.pdb1.gz) 95 Kb
  • Biological Unit Coordinates (2x1n.pdb2.gz) 94 Kb
  • LPC: Ligand-Protein Contacts for 2X1N
  • CSU: Contacts of Structural Units for 2X1N
  • Structure Factors (481 Kb)
  • Retrieve 2X1N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2X1N from S2C, [Save to disk]
  • Re-refined 2x1n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2X1N 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 2X1N
  • 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 2X1N, from MSDmotif at EBI
  • Fold representative 2x1n from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2x1n_C] [2x1n] [2x1n_A] [2x1n_H] [2x1n_B] [2x1n_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 2X1N: [CYCLIN] [Cyclin_C] [S_TKc ] by SMART
  • Other resources with information on 2X1N
  • Community annotation for 2X1N 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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