1CZI	CHYMOSIN COMPLEX WITH THE INHIBITOR CP-113972	date
authors	Groves, M.R., Dhanaraj, V., Pitts, J.E., Badasso, M., Hoover, D., Nugent, P., Blundell, T.L.
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution	2.30
ligand	NOR, PHI, SMC	enzyme
related structures	by homologous chain: 1CMS
Gene Ontology	Chain Function Process Component E
Primary reference	A 2.3 A resolution structure of chymosin complexed with a reduced bond inhibitor shows that the active site beta-hairpin flap is rearranged when compared with the native crystal structure., Groves MR, Dhanaraj V, Badasso M, Nugent P, Pitts JE, Hoover DJ, Blundell TL, Protein Eng 1998 Oct;11(10):833-40. PMID:9862200

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (1czi.pdb1.gz) 53 Kb LPC: Ligand-Protein Contacts for 1CZI CSU: Contacts of Structural Units for 1CZI Likely Quarternary Molecular Structure file(s) for 1CZI Structure Factors (118 Kb) Retrieve 1CZI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CZI from S2C, [Save to disk] Re-refined 1czi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CZI 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 1CZI

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CZI, from MSDmotif at EBI Genome occurence of 1CZI's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1czie_, region E [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: [1czi_E] [1czi_P] [1czi] SWISS-PROT database: [P00794] Domain organization of [CHYM_BOVIN] by SWISSPFAM

Other resources with information on 1CZI

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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