1KCT Serine Protease Inhibitor date Aug 06, 1996
title Alpha1-Antitrypsin
authors H.K.Song, S.W.Suh
compound source
Molecule: Alpha1-Antitrypsin
Chain: A
Synonym: Alpha1-Proteinase Inhibitor
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: A1at
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pet-8c
Expression_system_gene: A1at
symmetry Space Group: C 1 2 1
R_factor 0.184 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
114.870 39.980 92.420 90.00 102.82 90.00
method X-Ray Diffractionresolution 3.46 Å
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of an uncleaved alpha 1-antitrypsin reveals the conformation of its inhibitory reactive loop., Song HK, Lee KN, Kwon KS, Yu MH, Suh SW, FEBS Lett 1995 Dec 18;377(2):150-4. PMID:8543039
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk]
  • Biological Unit Coordinates (1kct.pdb1.gz) 51 Kb
  • CSU: Contacts of Structural Units for 1KCT
  • Likely Quarternary Molecular Structure file(s) for 1KCT
  • Structure Factors (35 Kb)
  • Retrieve 1KCT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KCT from S2C, [Save to disk]
  • Re-refined 1kct structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KCT 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 1KCT
  • 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 1KCT, from MSDmotif at EBI
  • Genome occurence of 1KCT's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kct__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1kct 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: [1kct] [1kct_A]
  • SWISS-PROT database: [P01009]
  • Domain organization of [A1AT_HUMAN] by SWISSPFAM
  • Domain found in 1KCT: [SERPIN ] by SMART
  • Other resources with information on 1KCT
  • Community annotation for 1KCT 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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