1AZZ	Complex (Serine Protease Inhibitor)	date	Nov 24, 1997
title	Fiddler Crab Collagenase Complexed To Ecotin
authors	J.J.Perona, R.J.Fletterick
compound		source
Molecule: Collagenase Chain: A, B Ec: 3.4.21.32		Organism_scientific: Celuca Pugilator Organism_common: Atlantic Sand Fiddler Crab Organism_taxid: 6772 Other_details: Crab Hepatopancreas
Molecule: Ecotin Chain: C, D Synonym: Trypsin Inhibitor		Organism_scientific: Escherichia Coli Organism_taxid: 562 Plasmid: Ptactac
symmetry	Space Group: P 32 2 1	R_factor 0.189 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.110 89.110 291.550 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand		enzyme	Hydrolase E.C.3.4.21.32 BRENDA
related structures	by homologous chain: 1EZS, 1SLV
Gene Ontology	Chain Function Process Component A, B D, C serine-type endopeptidase in...
Primary reference	Crystal structure of an ecotin-collagenase complex suggests a model for recognition and cleavage of the collagen triple helix., Perona JJ, Tsu CA, Craik CS, Fletterick RJ, Biochemistry 1997 May 6;36(18):5381-92. PMID:9154920

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (117 Kb) [Save to disk] Biological Unit Coordinates (1azz.pdb1.gz) 113 Kb CSU: Contacts of Structural Units for 1AZZ Likely Quarternary Molecular Structure file(s) for 1AZZ Retrieve 1AZZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AZZ from S2C, [Save to disk]

View 1AZZ in 3D

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Visual 3D analysis of 1AZZ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1AZZ, from MSDmotif at EBI Genome occurence of 1AZZ's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1azza_, region A [Jmol] [rasmolscript] [script source]     - Domain d1azzb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1azzc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1azzd_, region D [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: [1azz_A] [1azz] [1azz_B] [1azz_D] [1azz_C] SWISS-PROT database: [P00771] [P23827] Domain organization of [COGS_UCAPU] [ECOT_ECOLI] by SWISSPFAM Domain found in 1AZZ: [Tryp_SPc ] by SMART

Other resources with information on 1AZZ

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

Movements, Movies and Images

Domain movements in 1AZZ from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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