3EWS	Hydrolase	date	Oct 16, 2008
title	Human Dead-Box Rna-Helicase Ddx19 In Complex With Adp
authors	L.Lehtio, T.Karlberg, J.Andersson, C.H.Arrowsmith, H.Berglund, C.Bountra, R.Collins, L.G.Dahlgren, A.M.Edwards, S.Flodin, A.Flores, S.Graslund, M.Hammarstrom, A.Johansson, I.Johansson, T.Kotenyova, M.Moche, M.E.Nilsson, P.Nordlund, T.Nyman, K.Olesen C.Persson, J.Sagemark, A.G.Thorsell, L.Tresaugues, S.Van Den Berg, J.Weigelt, M.Welin, M.Wikstrom, M.Wisniewska, H.Schueler, Structural Genomics Consortium (Sgc)
compound		source
Molecule: Atp-Dependent Rna Helicase Ddx19b Chain: A, B Fragment: Helicase Atp-Binding Domain, Helicase C-Terminal Domain, Unp Residues 54-475; Synonym: Dead Box Protein 19b, Dead Box Rna Helicase Dead5 Ec: 3.6.1.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Dbp5, Ddx19, Ddx19b Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)R3 Prare Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic-Bsa4
symmetry	Space Group: P 1 21 1	R_factor 0.188 R_Free 0.260
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.580 47.610 124.690 90.00 95.40 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	ADP	enzyme	Hydrolase E.C.3.6.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	The DEXD/H-box RNA Helicase DDX19 Is Regulated by an {alpha}-Helical Switch., Collins R, Karlberg T, Lehtio L, Schutz P, van den Berg S, Dahlgren LG, Hammarstrom M, Weigelt J, Schuler H, J Biol Chem. 2009 Apr 17;284(16):10296-300. Epub 2009 Feb 25. PMID:19244245

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (281 Kb) [Save to disk] Biological Unit Coordinates (3ews.pdb1.gz) 141 Kb Biological Unit Coordinates (3ews.pdb2.gz) 138 Kb LPC: Ligand-Protein Contacts for 3EWS CSU: Contacts of Structural Units for 3EWS Likely Quarternary Molecular Structure file(s) for 3EWS Structure Factors (196 Kb) Retrieve 3EWS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EWS from S2C, [Save to disk] Re-refined 3ews structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EWS 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 3EWS

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 3EWS, from MSDmotif at EBI Fold representative 3ews from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ews_A] [3ews] [3ews_B] SWISS-PROT database: [Q9UMR2] Belongs to the eukaryotic nuclear pore complex (e-npc) family according to TCDB. Domain organization of [DD19B_HUMAN] by SWISSPFAM Domains found in 3EWS: [DEXDc] [HELICc ] by SMART

Other resources with information on 3EWS

Community annotation for 3EWS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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