2I53 Cell Cycle date Aug 23, 2006
title Crystal Structure Of Cyclin K
authors K.Baek, R.S.Brown, G.Birrane, J.A.A.Ladias
compound source
Molecule: Cyclin K
Chain: A
Fragment: N-Terminal Domain, Residues 11-267
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ccnk
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-2t
symmetry Space Group: P 1 21 1
R_factor 0.183 R_Free 0.218
crystal
cell
length a length b length c angle alpha angle beta angle gamma
40.766 69.186 50.504 90.00 93.30 90.00
method X-Ray Diffractionresolution 1.50 Å
ligand ACT enzyme
note 2I53 is a representative structure
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal Structure of Human Cyclin K, a Positive Regulator of Cyclin-dependent Kinase 9., Baek K, Brown RS, Birrane G, Ladias JA, J Mol Biol. 2006 Nov 18;. PMID:17169370
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk]
  • Biological Unit Coordinates (2i53.pdb1.gz) 47 Kb
  • LPC: Ligand-Protein Contacts for 2I53
  • CSU: Contacts of Structural Units for 2I53
  • Likely Quarternary Molecular Structure file(s) for 2I53
  • Structure Factors (618 Kb)
  • Retrieve 2I53 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2I53 from S2C, [Save to disk]
  • Re-refined 2i53 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2I53 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 2I53
  • 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
  • 3D motif for 2I53, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2i53_A] [2i53]
  • SWISS-PROT database: [O75909]
  • Domain organization of [CCNK_HUMAN] by SWISSPFAM
  • Domain found in 2I53: [CYCLIN ] by SMART
  • Other resources with information on 2I53
  • Community annotation for 2I53 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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