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 Diffractionresolution 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
ChainFunctionProcessComponent
A, B


C


Primary referenceStructure 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
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo 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]
  • Fold representative 1ezx from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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
  • Alignments of the sequence of 1EZX with the sequences similar proteins can be viewed for 1EZX's classification [A1AT_HUMAN] [TRY1_BOVIN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [A1AT_HUMAN] [TRY1_BOVIN] at ProtoMap. Click on the Cluster number.
  • 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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