4CXA Transferase date Apr 04, 2014
title Crystal Structure Of The Human Cdk12-Cyclin K Complex Bound
authors S.E.Dixon Clarke, J.M.Elkins, A.C.W.Pike, R.Nowak, S.Goubin, R.P. J.Kopec, S.Froese, C.Tallant, E.P.Carpenter, A.Mackenzie, B.Faus N.Burgess-Brown, F.Von Delft, C.Arrowsmith, A.M.Edwards, C.Boun A.Bullock
compound source
Molecule: Cyclin-Dependent Kinase 12
Chain: A, C
Fragment: Kinase Domain, Residues 715-1052
Synonym: Cdc2-Related Kinase, Arginineserine-Rich, Crkrs, Division Cycle 2-Related Protein Kinase 7, Cdc2-Related Pr Kinase 7, Cell Division Protein Kinase 12, Hcdk12, Cdk12;
Ec: 2.7.11.22
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
Expression_system_plasmid: Pfb-Lic-Bse

Molecule: Cyclin-K
Chain: B, D
Fragment: Cyclin K, Residues 11-267
Synonym: Ccnk
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
Expression_system_plasmid: Pfb-Lic-Bse
symmetry Space Group: P 1 21 1
R_factor 0.2211 R_Free 0.2791
crystal
cell
length a length b length c angle alpha angle beta angle gamma
69.843 138.791 71.888 90.00 104.99 90.00
method X-Ray Diffractionresolution 3.15 Å
ligand ANP, TPO enzyme Transferase E.C.2.7.11.22 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, C


D, B


Primary referenceStructures of the CDK12/CycK complex with AMP-PNP reveal a flexible C-terminal kinase extension important for ATP binding., Dixon-Clarke SE, Elkins JM, Cheng SW, Morin GB, Bullock AN, Sci Rep. 2015 Nov 24;5:17122. doi: 10.1038/srep17122. PMID:26597175
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (182 Kb) [Save to disk]
  • Biological Unit Coordinates (4cxa.pdb1.gz) 87 Kb
  • Biological Unit Coordinates (4cxa.pdb2.gz) 92 Kb
  • LPC: Ligand-Protein Contacts for 4CXA
  • CSU: Contacts of Structural Units for 4CXA
  • Structure Factors (1266 Kb)
  • Retrieve 4CXA in mmCIF format [Save to disk]
  • Re-refined 4cxa structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4CXA 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 4CXA
  • 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 4CXA, from MSDmotif at EBI
  • Fold representative 4cxa from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4cxa_D] [4cxa_A] [4cxa_C] [4cxa] [4cxa_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4CXA: [CYCLIN] [S_TKc ] by SMART
  • Other resources with information on 4CXA
  • Community annotation for 4CXA at PDBWiki (http://pdbwiki.org)

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