4BK0	Transcription	date	Apr 21, 2013
title	Crystal Structure Of The Kix Domain Of Human Recql5 (Domain- Dimer)
authors	S.A.Kassube, M.Jinek, J.Fang, S.Tsutakawa, E.Nogales
compound		source
Molecule: Atp-Dependent Dna Helicase Q5 Chain: A, B Fragment: Kix Domain, Residues 515-620 Synonym: Dna Helicase, Recq-Like Type 5, Recq5, Recq Protei Recql5; Ec: 3.6.4.12 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_variant: Ril Expression_system_vector_type: Plasmid Expression_system_vector: Pgex6p1
symmetry	Space Group: P 21 21 21	R_factor 0.201 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.670 61.210 81.650 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	PEG	enzyme	Hydrolase E.C.3.6.4.12 BRENDA
Primary reference	Structural mimicry in transcription regulation of human RNA polymerase II by the DNA helicase RECQL5., Kassube SA, Jinek M, Fang J, Tsutakawa S, Nogales E, Nat Struct Mol Biol. 2013 Jun 9. doi: 10.1038/nsmb.2596. PMID:23748380

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (4bk0.pdb1.gz) 97 Kb LPC: Ligand-Protein Contacts for 4BK0 CSU: Contacts of Structural Units for 4BK0 Structure Factors (144 Kb) Retrieve 4BK0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4BK0 from S2C, [Save to disk] Re-refined 4bk0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 4BK0

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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 4BK0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4bk0] [4bk0_A] [4bk0_B] SWISS-PROT database: Domain organization of by SWISSPFAM

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