1UK3	Hydrolase	date	Aug 14, 2003
title	Crystal Structure Of Sars Coronavirus Main Proteinase (3clpr Ph7.6
authors	H.Yang, M.Yang, Y.Liu, M.Bartlam, Y.Ding, Z.Lou, L.Sun, Z.Zhou, S.Ye H.Pang, G.F.Gao, R.Hilgenfeld, Z.Rao
compound		source
Molecule: 3c-Like Proteinase Chain: A, B Synonym: Sars Coronavirus Main Proteinase, 3clpro Ec: 3.4.24.- Engineered: Yes		Organism_scientific: Sars Coronavirus Organism_taxid: 227859 Strain: Sars Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-6p-1
symmetry	Space Group: P 1 21 1	R_factor 0.229 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.294 97.033 67.781 90.00 101.92 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand		enzyme	Hydrolase E.C.3.4.24 BRENDA
related structures	by homologous chain: 1UK2, 1UK4
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structures of severe acute respiratory syndrome virus main protease and its complex with an inhibitor., Yang H, Yang M, Ding Y, Liu Y, Lou Z, Zhou Z, Sun L, Mo L, Ye S, Pang H, Gao GF, Anand K, Bartlam M, Hilgenfeld R, Rao Z, Proc Natl Acad Sci U S A 2003 Nov 11;100(23):13190-5. Epub 2003 Oct 29. PMID:14585926

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1uk3.pdb1.gz) 96 Kb CSU: Contacts of Structural Units for 1UK3 Likely Quarternary Molecular Structure file(s) for 1UK3 Structure Factors (332 Kb) Retrieve 1UK3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UK3 from S2C, [Save to disk] Re-refined 1uk3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UK3 in 3D

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Visual 3D analysis of 1UK3

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 1UK3, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1uk3a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1uk3b_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1uk3_B] [1uk3_A] [1uk3] SWISS-PROT database: [P0C6X7] [P0C6U8] Domain organization of [R1AB_CVHSA] [R1A_CVHSA] by SWISSPFAM

Other resources with information on 1UK3

Community annotation for 1UK3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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