2C1A Transferase Inhibitor date Sep 12, 2005
title Structure Of Camp-Dependent Protein Kinase Complexed With Isoquinoline-5-Sulfonic Acid (2-(2-(4-Chlorobenzyloxy)Ethyl Ethyl)Amide
authors I.Collins, J.Caldwell, T.Fonseca, A.Donald, V.Bavetsias, L.J.Hunt M.D.Garrett, M.G.Rowlands, G.W.Aherne, T.G.Davies, V.Berdini, S.J.Woodhead, L.C.A.Seavers, P.G.Wyatt, P.Workman, E.Mcdonald
compound source
Molecule: Camp-Dependent Protein Kinase
Chain: A
Synonym: Protein Kinase A, Alpha-Catalytic Subunit, Pka C-A
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_taxid: 9913
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Camp-Dependent Protein Kinase Inhibitor
Chain: I
Synonym: Alpha Form, Pki-Alpha, Camp-Dependent Protein Kina Inhibitor, Musclebrain Isoform;
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_taxid: 9606
symmetry Space Group: P 21 21 21
R_factor 0.173 R_Free 0.230
length a length b length c angle alpha angle beta angle gamma
72.364 75.097 80.069 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.95 Å
ligand I5S, SEP, TPO BindingDB enzyme Transferase E.C. BRENDA


Primary referenceStructure-based design of isoquinoline-5-sulfonamide inhibitors of protein kinase B., Collins I, Caldwell J, Fonseca T, Donald A, Bavetsias V, Hunter LJ, Garrett MD, Rowlands MG, Aherne GW, Davies TG, Berdini V, Woodhead SJ, Davis D, Seavers LC, Wyatt PG, Workman P, McDonald E, Bioorg Med Chem. 2006 Feb 15;14(4):1255-73. Epub 2005 Oct 24. PMID:16249095
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk]
  • Biological Unit Coordinates (2c1a.pdb1.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 2C1A
  • CSU: Contacts of Structural Units for 2C1A
  • Likely Quarternary Molecular Structure file(s) for 2C1A
  • Retrieve 2C1A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2C1A from S2C, [Save to disk]
  • View 2C1A 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 2C1A
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2C1A, from MSDmotif at EBI
  • Fold representative 2c1a from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2c1a_I] [2c1a] [2c1a_A]
  • SWISS-PROT database: [P61925] [P00517]
  • Domain organization of [IPKA_HUMAN] [KAPCA_BOVIN] by SWISSPFAM
  • Domains found in 2C1A: [S_TK_X] [S_TKc ] by SMART
  • Other resources with information on 2C1A
  • Community annotation for 2C1A 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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