1P9S	Hydrolase	date	May 12, 2003
title	Coronavirus Main Proteinase (3clpro) Structure: Basis For De Anti-Sars Drugs
authors	K.Anand, J.Ziebuhr, P.Wadhwani, J.R.Mesters, R.Hilgenfeld
compound		source
Molecule: Replicase Polyprotein 1ab Chain: A, B Fragment: Residue 2966-3265, 3c-Like Proteinase Synonym: 3cl-Pro Ec: 3.4.24.- Engineered: Yes Mutation: Yes		Organism_scientific: Human Coronavirus Organism_taxid: 11137 Strain: 229e Gene: Orf1a Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tb1 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmal-Mpro
symmetry	Space Group: P 1 21 1	R_factor 0.196 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.356 76.240 73.477 90.00 103.70 90.00
method	X-Ray Diffraction	resolution	2.54 Å
ligand	DIO, MSE	enzyme	Hydrolase E.C.3.4.24 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Coronavirus main proteinase (3CLpro) structure: basis for design of anti-SARS drugs., Anand K, Ziebuhr J, Wadhwani P, Mesters JR, Hilgenfeld R, Science 2003 Jun 13;300(5626):1763-7. Epub 2003 May 13. PMID:12746549

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk] Biological Unit Coordinates (1p9s.pdb1.gz) 47 Kb Biological Unit Coordinates (1p9s.pdb2.gz) 47 Kb LPC: Ligand-Protein Contacts for 1P9S CSU: Contacts of Structural Units for 1P9S Likely Quarternary Molecular Structure file(s) for 1P9S Retrieve 1P9S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P9S from S2C, [Save to disk]

View 1P9S 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 1P9S

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1P9S, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p9sa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1p9sb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1p9s_B] [1p9s] [1p9s_A] SWISS-PROT database: [P0C6X1] [P0C6U2] Domain organization of [R1AB_CVH22] [R1A_CVH22] by SWISSPFAM

Other resources with information on 1P9S

Community annotation for 1P9S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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