1OKW	Transferase Transferase Inhibitor	date	Jul 31, 2003
title	Cyclin A Binding Groove Inhibitor Ac-Arg-Arg-Leu-Asn-(M-Cl-P
authors	G.Kontopidis, M.Andrews, C.Mcinnes, A.Cowan, H.Powers, L.Innes, A. G.Griffiths, D.Paterson, D.Zheleva, D.Lane, S.Green, M.Walkinsha P.Fischer
compound		source
Molecule: Cell Division Protein Kinase 2 Chain: A, C Synonym: Cyclin-Dependent Kinase 2, P33 Protein Kinase Ec: 2.7.1.37 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 173-432 Synonym: Cyclin A Engineered: Yes Other_details: Cyclin Groove-Bound Peptide Ace-Arg-Arg-Leu- Nh2;		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Ace-Arg-Arg-Leu-Asn-Fcl-Nh2 Chain: E, F Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 21 21 21	R_factor 0.173 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.544 114.051 156.182 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	ACE, FCL, NH2	enzyme	Transferase E.C.2.7.1.37 BRENDA
related structures	by homologous chain: 1H24, 1OIY, 1PXL
Gene Ontology	Chain Function Process Component A, C
Primary reference	Insights into cyclin groove recognition: complex crystal structures and inhibitor design through ligand exchange., Kontopidis G, Andrews MJ, McInnes C, Cowan A, Powers H, Innes L, Plater A, Griffiths G, Paterson D, Zheleva DI, Lane DP, Green S, Walkinshaw MD, Fischer PM, Structure (Camb) 2003 Dec;11(12):1537-46. PMID:14656438

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (204 Kb) [Save to disk] Biological Unit Coordinates (1okw.pdb1.gz) 99 Kb Biological Unit Coordinates (1okw.pdb2.gz) 99 Kb LPC: Ligand-Protein Contacts for 1OKW CSU: Contacts of Structural Units for 1OKW Likely Quarternary Molecular Structure file(s) for 1OKW Structure Factors (865 Kb) Retrieve 1OKW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OKW from S2C, [Save to disk] Re-refined 1okw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OKW 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 1OKW

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 1OKW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1okwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1okwb1, region B:175-309 [Jmol] [rasmolscript] [script source]     - Domain d1okwb2, region B:310-432 [Jmol] [rasmolscript] [script source]     - Domain d1okwc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1okwd1, region D:175-309 [Jmol] [rasmolscript] [script source]     - Domain d1okwd2, region D:310-432 [Jmol] [rasmolscript] [script source] Fold representative 1okw from FSSP and Dali (Families of Structurally Similar Proteins) Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1okw_E] [1okw_B] [1okw_A] [1okw_C] [1okw_D] [1okw] [1okw_F] SWISS-PROT database: [P20248] [P24941] Domain organization of [CCNA2_HUMAN] [CDK2_HUMAN] by SWISSPFAM Domains found in 1OKW: [CYCLIN] [Cyclin_C] [S_TKc ] by SMART

Other resources with information on 1OKW

Community annotation for 1OKW at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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