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
crystal cell	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 Diffraction	resolution	2.99 Å
related structures	by homologous chain: 1DB2
Gene Ontology	Chain Function Process Component A, D, C, B negative regulation of endop... negative regulation of smoot...
Primary reference	The 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] (214 Kb) [Save to disk] Biological Unit Coordinates (1b3k.pdb1.gz) 56 Kb Biological Unit Coordinates (1b3k.pdb2.gz) 54 Kb Biological Unit Coordinates (1b3k.pdb3.gz) 57 Kb Biological Unit Coordinates (1b3k.pdb4.gz) 54 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

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server 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] 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)

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