3CWM Protease Inhibitor date Apr 22, 2008
title Crystal Structure Of Alpha-1-Antitrypsin Complexed With Citr
authors C.J.Morton, G.Hansen, S.C.Feil, J.J.Adams, M.W.Parker
compound source
Molecule: Alpha-1-Antitrypsin
Chain: A
Synonym: Alpha-1 Protease Inhibitor, Alpha-1- Antiproteinas
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Serpina1, Aat, Pi
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.217 R_Free 0.271
length a length b length c angle alpha angle beta angle gamma
39.183 52.539 207.533 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.51 Å
ligand CIT, CSD enzyme
  • serine-type endopeptidase in...
  • COPII vesicle coating

  • Primary referencePreventing Serpin Aggregation: The Molecular Mechanism of Citrate Action upon Antitrypsin Unfolding., Pearce MC, Morton C, Feil SC, Hansen G, Adams JJ, Parker MW, Bottomley SP, Protein Sci. 2008 Sep 9. PMID:18780818
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk]
  • Biological Unit Coordinates (3cwm.pdb1.gz) 62 Kb
  • LPC: Ligand-Protein Contacts for 3CWM
  • CSU: Contacts of Structural Units for 3CWM
  • Likely Quarternary Molecular Structure file(s) for 3CWM
  • Structure Factors (224 Kb)
  • Retrieve 3CWM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3CWM from S2C, [Save to disk]
  • Re-refined 3cwm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3CWM 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 3CWM
  • 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 3CWM, from MSDmotif at EBI
  • Fold representative 3cwm from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3cwm_A] [3cwm] [3cwm_]
  • SWISS-PROT database: [P01009]
  • Domain organization of [A1AT_HUMAN] by SWISSPFAM
  • Domain found in 3CWM: [SERPIN ] by SMART
  • Other resources with information on 3CWM
  • Community annotation for 3CWM 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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