4CMS	Hydrolase (Acid Proteinase)	date	Nov 01, 1991
title	X-Ray Analyses Of Aspartic Proteinases Iv. Structure And Ref 2.2 Angstroms Resolution Of Bovine Chymosin
authors	M.Newman, C.Frazao, G.Khan, I.J.Tickle, T.L.Blundell, M.Safro, N.A A.Zdanov
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 79.980 114.120 72.760 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand		enzyme	Hydrolase E.C.3.4.23.4 BRENDA
note	4CMS (Molecule of the Month:pdb12)
related structures	by homologous chain: 1CMS, 3CMS
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray analyses of aspartic proteinases. IV. Structure and refinement at 2.2 A resolution of bovine chymosin., Newman M, Safro M, Frazao C, Khan G, Zdanov A, Tickle IJ, Blundell TL, Andreeva N, J Mol Biol 1991 Oct 20;221(4):1295-309. PMID:1942052

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (4cms.pdb1.gz) 51 Kb CSU: Contacts of Structural Units for 4CMS Likely Quarternary Molecular Structure file(s) for 4CMS Retrieve 4CMS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4CMS from S2C, [Save to disk]

View 4CMS 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 4CMS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4CMS, from MSDmotif at EBI Genome occurence of 4CMS's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4cms__, 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: [4cms] [4cms_A] SWISS-PROT database: [P00794] Domain organization of [CHYM_BOVIN] by SWISSPFAM

Other resources with information on 4CMS

Community annotation for 4CMS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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