1EZX	Hydrolase Hydrolase Inhibitor	date	May 12, 2000
title	Crystal Structure Of A Serpin:Protease Complex
authors	J.A.Huntington, R.W.Carrell
compound		source
Molecule: Alpha-1-Antitrypsin Chain: A Fragment: N-Terminal Fragment Of Proteolytic Cleavage At Met358-Ser359; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet
Molecule: Alpha-1-Antitrypsin Chain: B Fragment: C-Terminal Fragment Of Proteolytic Cleavage At Met358-Ser359; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet
Molecule: Trypsin Chain: C Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet
symmetry	Space Group: C 2 2 21	R_factor 0.205 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.234 171.295 145.780 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand		enzyme	Hydrolase E.C.3.4.21.4 BRENDA
note	1EZX (Molecule of the Month:pdb53)
related structures	by homologous chain: 1A5H, 1F92, 1OPH, 1OWK, 1QMB
Gene Ontology	Chain Function Process Component A C
Primary reference	Structure of a serpin-protease complex shows inhibition by deformation., Huntington JA, Read RJ, Carrell RW, Nature 2000 Oct 19;407(6806):923-6. PMID:11057674

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk] Biological Unit Coordinates (1ezx.pdb1.gz) 81 Kb CSU: Contacts of Structural Units for 1EZX Likely Quarternary Molecular Structure file(s) for 1EZX Structure Factors (251 Kb) Retrieve 1EZX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EZX from S2C, [Save to disk] Re-refined 1ezx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EZX 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 1EZX

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 1EZX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ezx.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d1ezxc_, region C [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: [1ezx] [1ezx_C] [1ezx_B] [1ezx_A] SWISS-PROT database: [P01009] [P00760] Domain organization of [A1AT_HUMAN] [TRY1_BOVIN] by SWISSPFAM Domains found in 1EZX: [SERPIN] [Tryp_SPc ] by SMART

Other resources with information on 1EZX

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

Movements, Movies and Images

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

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