4B71	Hydrolase	date	Aug 16, 2012
title	Discovery Of An Allosteric Mechanism For The Regulation Of Hcv Ns3 Protein Function
authors	S.M.Saalau-Bethell, A.J.Woodhead, G.Chessari, M.G.Carr, J.Coyle, S.D.Hiscock, C.W.Murray, P.Pathuri, S.J.Rich, C.J.Richardson, P.A.Williams, H.Jhoti
compound		source
Molecule: Non-Structural Protein 4a, Serine Protease Ns3 Chain: A, B Fragment: Residues 1678-1690 And 1029-1657 Synonym: Ns4a, P8, Hepacivirin, Ns3p, P70 Ec: 3.4.21.98, 3.6.1.15, 3.6.4.13 Engineered: Yes Other_details: The Protein Crystallised Is A Fusion Protein Comprising A Hexa-His Tag, A Linker Region, A 11 Residue N Cofactor Peptide And The Ns3 Protein		Organism_scientific: Hepatitis C Virus (Isolate Bk) Organism_taxid: 11105 Strain: Genotype 1b Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(Be3) Expression_system_variant: Rosetta Expression_system_vector_type: Plasmid Expression_system_vector: Pet28b
symmetry	Space Group: P 21 21 21	R_factor 0.18183 R_Free 0.27443
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.127 110.028 142.501 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	DJL	enzyme	Hydrolase E.C.3.4.21.98 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Discovery of an allosteric mechanism for the regulation of HCV NS3 protein function., Saalau-Bethell SM, Woodhead AJ, Chessari G, Carr MG, Coyle J, Graham B, Hiscock SD, Murray CW, Pathuri P, Rich SJ, Richardson CJ, Williams PA, Jhoti H, Nat Chem Biol. 2012 Sep 30. doi: 10.1038/nchembio.1081. PMID:23023261

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (215 Kb) [Save to disk] Biological Unit Coordinates (4b71.pdb1.gz) 208 Kb LPC: Ligand-Protein Contacts for 4B71 CSU: Contacts of Structural Units for 4B71 Structure Factors (728 Kb) Retrieve 4B71 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4B71 from S2C, [Save to disk] Re-refined 4b71 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 4B71, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4b71_B] [4b71_A] [4b71] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 4B71: [DEXDc ] by SMART

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