3CMS	Hydrolase	date	Feb 26, 1990
title	Engineering Enzyme Sub-Site Specificity: Preparation, Kineti Characterization And X-Ray Analysis At 2.0-Angstroms Resolu Val111phe Site-Mutated Calf Chymosin
authors	M.Newman, C.Frazao, A.Shearer, I.J.Tickle, T.L.Blundell
compound		source
Molecule: Chymosin B Chain: A Ec: 3.4.23.4 Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
symmetry	Space Group: I 2 2 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.210 114.560 72.430 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Hydrolase E.C.3.4.23.4 BRENDA
related structures	by homologous chain: 4CMS
Gene Ontology	Chain Function Process Component A
Primary reference	Engineering enzyme subsite specificity: preparation, kinetic characterization, and X-ray analysis at 2.0-A resolution of Val111Phe site-mutated calf chymosin., Strop P, Sedlacek J, Stys J, Kaderabkova Z, Blaha I, Pavlickova L, Pohl J, Fabry M, Kostka V, Newman M, et al., Biochemistry 1990 Oct 23;29(42):9863-71. PMID:2271625

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (3cms.pdb1.gz) 52 Kb CSU: Contacts of Structural Units for 3CMS Likely Quarternary Molecular Structure file(s) for 3CMS Retrieve 3CMS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CMS from S2C, [Save to disk]

View 3CMS 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 3CMS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3CMS, from MSDmotif at EBI Genome occurence of 3CMS's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3cms__, region [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: [3cms_A] [3cms] SWISS-PROT database: [P00794] Domain organization of [CHYM_BOVIN] by SWISSPFAM

Other resources with information on 3CMS

Community annotation for 3CMS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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