2QUG Protease Inhibitor date Aug 05, 2007
title Crystal Structure Of Alpha-1-Antitrypsin, Crystal Form A
authors G.Hansen, C.J.Morton, M.C.Pearce, S.C.Feil, J.J.Adams, M.W.Parker S.P.Bottomley
compound source
Molecule: Alpha-1-Antitrypsin
Chain: A
Synonym: Alpha-1 Protease Inhibitor, Alpha-1-Antiproteinase
Engineered: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Gene: Serpina1, Aat, Pi
Expression_system: Escherichia Coli
symmetry Space Group: C 1 2 1
R_factor 0.215 R_Free 0.275
crystal
cell
length a length b length c angle alpha angle beta angle gamma
113.368 39.391 90.154 90.00 104.61 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CSD enzyme
Gene
Ontology
ChainFunctionProcessComponent
A
  • 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] (65 Kb) [Save to disk]
  • Biological Unit Coordinates (2qug.pdb1.gz) 61 Kb
  • LPC: Ligand-Protein Contacts for 2QUG
  • CSU: Contacts of Structural Units for 2QUG
  • Likely Quarternary Molecular Structure file(s) for 2QUG
  • Structure Factors (200 Kb)
  • Retrieve 2QUG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2QUG from S2C, [Save to disk]
  • Re-refined 2qug structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2QUG 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 2QUG
  • 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 2QUG, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2qug_A] [2qug_] [2qug]
  • SWISS-PROT database: [P01009]
  • Domain organization of [A1AT_HUMAN] by SWISSPFAM
  • Domain found in 2QUG: [SERPIN ] by SMART
    • Other resources with information on 2QUG
  • Community annotation for 2QUG 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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