2V1X	Hydrolase	date	May 30, 2007
title	Crystal Structure Of Human Recq-Like Dna Helicase
authors	A.C.W.Pike, B.Shrestha, N.Burgess-Brown, O.King, E.Ugochukwu, S.W A.Edwards, C.H.Arrowsmith, J.Weigelt, M.Sundstrom, O.Gileadi
compound		source
Molecule: Atp-Dependent Dna Helicase Q1 Chain: A, B Fragment: Residues 49-616 Synonym: Dna-Dependent Atpase Q1, Recq Dna Helicase Ec: 3.6.1.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: R3-Prare2 Expression_system_plasmid: Pnic-Cthf
symmetry	Space Group: P 1 21 1	R_factor 0.232 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.229 97.647 85.849 90.00 104.50 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	ADP, CL, EDO, MG, ZN	enzyme	Hydrolase E.C.3.6.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of the human RECQ1 helicase reveals a putative strand-separation pin., Pike AC, Shrestha B, Popuri V, Burgess-Brown N, Muzzolini L, Costantini S, Vindigni A, Gileadi O, Proc Natl Acad Sci U S A. 2009 Jan 16. PMID:19151156

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (179 Kb) [Save to disk] Biological Unit Coordinates (2v1x.pdb1.gz) 87 Kb Biological Unit Coordinates (2v1x.pdb2.gz) 89 Kb LPC: Ligand-Protein Contacts for 2V1X CSU: Contacts of Structural Units for 2V1X Likely Quarternary Molecular Structure file(s) for 2V1X Structure Factors (1199 Kb) Retrieve 2V1X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2V1X from S2C, [Save to disk] Re-refined 2v1x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2V1X 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 2V1X

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 2V1X, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2v1x] [2v1x_A] [2v1x_B] SWISS-PROT database: [P46063] Domain organization of [RECQ1_HUMAN] by SWISSPFAM Domains found in 2V1X: [DEXDc] [HELICc ] by SMART

Other resources with information on 2V1X

Community annotation for 2V1X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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