2W2H	Rna Binding Protein	date	Oct 30, 2008
title	Structural Basis Of Transcription Activation By The Cyclin T Rna Complex From Eiav
authors	K.Anand, M.Geyer
compound		source
Molecule: Cyclin-T1 Chain: A, B Fragment: Residues 5-267 Synonym: Cyct1, Cyclin-T Engineered: Yes Other_details: Genbank\: Af137509		Organism_scientific: Equus Caballus Organism_common: Horse Organism_taxid: 9796 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t1
Molecule: Protein Tat Chain: C, D Fragment: Cyclin Box Domain Of Equine Cyclin T1, Residues 4 Synonym: Cyclin T1-Tat Fusion Protein, Transactivating Regu Protein, Etat, E-Tat; Engineered: Yes		Organism_scientific: Equine Infectious Anemia Virus Organism_taxid: 11665 Strain: Pgex-4t1 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t1
Molecule: 5'-R(Gpcpupcpapgpapupcpup Gpcpgpgpupcpupgpapgpc)-3'; Chain: R, S Synonym: Tar Rna Engineered: Yes Other_details: Tar Rna Molecules Were Transcribed In Vitro Single Stranded Antisense Dna Oligonucleotide Using T7 Prom Polymerase System.		Synthetic: Yes Organism_scientific: Equine Infectious Anemia Virus Organism_taxid: 11665 Other_details: Purified Single-Stranded Dna Oligonucleotide
symmetry	Space Group: I 4	R_factor 0.243 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 149.460 149.460 129.750 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.25 Å
ligand	MN	enzyme
note	2W2H is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural insights into the cyclin T1-Tat-TAR RNA transcription activation complex from EIAV., Anand K, Schulte A, Vogel-Bachmayr K, Scheffzek K, Geyer M, Nat Struct Mol Biol. 2008 Dec;15(12):1287-92. Epub 2008 Nov 23. PMID:19029897

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (248 Kb) [Save to disk] Biological Unit Coordinates (2w2h.pdb1.gz) 121 Kb Biological Unit Coordinates (2w2h.pdb2.gz) 120 Kb LPC: Ligand-Protein Contacts for 2W2H CSU: Contacts of Structural Units for 2W2H Likely Quarternary Molecular Structure file(s) for 2W2H Structure Factors (191 Kb) Retrieve 2W2H in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2W2H from S2C, [Save to disk] Re-refined 2w2h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2W2H 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 2W2H

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 2W2H, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2w2h_C] [2w2h_B] [2w2h] [2w2h_D] [2w2h_A] [2w2h_S] [2w2h_R] SWISS-PROT database: [Q9XT26] [P20920] Domain organization of [CCNT1_HORSE] [TAT_EIAVY] by SWISSPFAM Domain found in 2W2H: [CYCLIN ] by SMART

Other resources with information on 2W2H

Community annotation for 2W2H at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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