2R9C	Hydrolase	date	Sep 12, 2007
title	Calpain 1 Proteolytic Core Inactivated By Zlak-3001, An Alph Ketoamide
authors	J.Qian, R.L.Campbell, P.L.Davies
compound		source
Molecule: Calpain-1 Catalytic Subunit Chain: A Fragment: Residues: 27-356 Synonym: Calpain-1 Large Subunit, Calcium-Activated Neutral Proteinase 1, Canp 1, Calpain Mu-Type, Mucanp, Micromolar-C Ec: 3.4.22.52 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Rat Gene: Capn1, Cls1 Expression_system: Escherichia Coli Expression_system_strain: Bl21 De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24d
symmetry	Space Group: P 21 21 21	R_factor 0.156 R_Free 0.196
crystal cell	length a length b length c angle alpha angle beta angle gamma 40.430 70.250 110.410 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	CA, CL, GOL, GRD	enzyme	Hydrolase E.C.3.4.22.52 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Cocrystal structures of primed side-extending alpha-ketoamide inhibitors reveal novel calpain-inhibitor aromatic interactions., Qian J, Cuerrier D, Davies PL, Li Z, Powers JC, Campbell RL, J Med Chem. 2008 Sep 11;51(17):5264-70. Epub 2008 Aug 15. PMID:18702462

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk] Biological Unit Coordinates (2r9c.pdb1.gz) 60 Kb LPC: Ligand-Protein Contacts for 2R9C CSU: Contacts of Structural Units for 2R9C Likely Quarternary Molecular Structure file(s) for 2R9C Structure Factors (1504 Kb) Retrieve 2R9C in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2R9C from S2C, [Save to disk] Re-refined 2r9c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2R9C 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 2R9C

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 2R9C, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2r9c_A] [2r9c] SWISS-PROT database: [P97571] Domain organization of [CAN1_RAT] by SWISSPFAM Domain found in 2R9C: [CysPc ] by SMART

Other resources with information on 2R9C

Community annotation for 2R9C at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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