1RQF	Transferase	date	Dec 05, 2003
title	Structure Of Ck2 Beta Subunit Crystallized In The Presence O P21waf1 Peptide
authors	L.Bertrand, M.F.Sayed, X.Y.Pei, E.Parisini, V.Dhanaraj, V.M.Bola Garcia, J.E.Allende, T.L.Blundell
compound		source
Molecule: Casein Kinase II Beta Chain Chain: A, B, D, E, G, H, J, K Fragment: Regulatory Subunit Synonym: Ck II, Phosvitin Ec: 2.7.1.37 Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Gene: Kc2b Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Gst-Fusion Plasmid Expression_system_plasmid: Pgex-2t
Molecule: Disordered Segment Of Cyclin-Dependent Kinase Inh Chain: M, N, T Synonym: P21waf1 Engineered: Yes		Synthetic: Yes Other_details: The Peptide Was Chemically Synthesized. The Of The Peptide Occurs Naturally In Homo Sapiens (Human).;
Molecule: Disordered Segment Of Cyclin-Dependent Kinase Inh Chain: O Synonym: P21waf1 Engineered: Yes		Synthetic: Yes Other_details: The Peptide Was Chemically Synthesized. The Of The Peptide Occurs Naturally In Homo Sapiens (Human).;
Molecule: Disordered Segment Of Cyclin-Dependent Kinase Inh Chain: P, S Synonym: P21waf1 Engineered: Yes		Synthetic: Yes Other_details: The Peptide Was Chemically Synthesized. The Of The Peptide Occurs Naturally In Homo Sapiens (Human).
symmetry	Space Group: P 21 21 2	R_factor 0.238 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.422 170.626 74.546 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.89 Å
ligand	ZN	enzyme	Transferase E.C.2.7.1.37 BRENDA
related structures	by homologous chain: 1QF8
Gene Ontology	Chain Function Process Component H, A, J, D, K, G, E, B
Primary reference	Structure of the regulatory subunit of CK2 in the presence of a p21(WAF1) peptide demonstrates flexibility of the acidic loop., Bertrand L, Sayed MF, Pei XY, Parisini E, Dhanaraj V, Bolanos-Garcia VM, Allende JE, Blundell TL, Acta Crystallogr D Biol Crystallogr 2004 Oct;60(Pt 10):1698-704. Epub 2004, Sep 23. PMID:15388915

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (231 Kb) [Save to disk] Biological Unit Coordinates (1rqf.pdb1.gz) 59 Kb Biological Unit Coordinates (1rqf.pdb2.gz) 60 Kb Biological Unit Coordinates (1rqf.pdb3.gz) 57 Kb Biological Unit Coordinates (1rqf.pdb4.gz) 59 Kb LPC: Ligand-Protein Contacts for 1RQF CSU: Contacts of Structural Units for 1RQF Likely Quarternary Molecular Structure file(s) for 1RQF Structure Factors (345 Kb) Retrieve 1RQF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RQF from S2C, [Save to disk] Re-refined 1rqf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RQF 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 1RQF

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 1RQF, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rqfa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1rqfb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1rqfd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1rqfe_, region E [Jmol] [rasmolscript] [script source]     - Domain d1rqfg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1rqfh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1rqfj_, region J [Jmol] [rasmolscript] [script source]     - Domain d1rqfk_, region K [Jmol] [rasmolscript] [script source] 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: [1rqf_H] [1rqf_K] [1rqf_S] [1rqf_B] [1rqf_M] [1rqf_T] [1rqf_N] [1rqf_E] [1rqf_A] [1rqf_G] [1rqf_P] [1rqf] [1rqf_J] [1rqf_O] [1rqf_D] SWISS-PROT database: [P28021] Domain organization of [CSK2B_XENLA] by SWISSPFAM Domain found in 1RQF: [CK_II_beta ] by SMART

Other resources with information on 1RQF

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

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