1B3K Blood Clotting date Dec 11, 1998
title Plasminogen Activator Inhibitor-1
authors A.M.Sharp, P.E.Stein, N.S.Pannu, R.J.Read
compound source
Molecule: Plasminogen Activator Inhibitor-1
Chain: A, B, C, D
Synonym: Pai-1
Engineered: Yes
Mutation: Yes
Other_details: Active Form
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3) Plyss
Expression_system_vector: Creloxp
symmetry Space Group: P 1
R_factor 0.247 R_Free 0.292
length a length b length c angle alpha angle beta angle gamma
65.472 74.930 103.691 90.97 93.33 115.94
method X-Ray Diffractionresolution 2.99 Å
related structures by homologous chain: 1DB2
A, D, C, B
  • negative regulation of endop...
  • negative regulation of smoot...

  • Primary referenceThe active conformation of plasminogen activator inhibitor 1, a target for drugs to control fibrinolysis and cell adhesion., Sharp AM, Stein PE, Pannu NS, Carrell RW, Berkenpas MB, Ginsburg D, Lawrence DA, Read RJ, Structure Fold Des 1999 Feb 15;7(2):111-8. PMID:10368279
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (218 Kb) [Save to disk]
  • Biological Unit Coordinates (1b3k.pdb1.gz) 57 Kb
  • Biological Unit Coordinates (1b3k.pdb2.gz) 55 Kb
  • Biological Unit Coordinates (1b3k.pdb3.gz) 58 Kb
  • Biological Unit Coordinates (1b3k.pdb4.gz) 55 Kb
  • CSU: Contacts of Structural Units for 1B3K
  • Likely Quarternary Molecular Structure file(s) for 1B3K
  • Retrieve 1B3K in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B3K from S2C, [Save to disk]
  • View 1B3K 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 1B3K
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1B3K, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b3ka_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1b3kb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1b3kc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1b3kd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1b3k 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: [1b3k] [1b3k_B] [1b3k_A] [1b3k_C] [1b3k_D]
  • SWISS-PROT database: [P05121]
  • Domain organization of [PAI1_HUMAN] by SWISSPFAM
  • Domain found in 1B3K: [SERPIN ] by SMART
  • Other resources with information on 1B3K
  • Community annotation for 1B3K 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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