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 Diffraction	resolution	3.15 Å
ligand	ANP, TPO	enzyme	Transferase E.C.2.7.11.22 BRENDA
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structures 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

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Visual 3D analysis of 4CXA

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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

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