1TFX	Complex (Serine Protease Inhibitor)	date	Jan 21, 1997
title	Complex Of The Second Kunitz Domain Of Tissue Factor Pathway With Porcine Trypsin
authors	M.T.Stubbs, R.Huber
compound		source
Molecule: Trypsin Chain: A, B Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823 Organ: Blood Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Je5505 Expression_system_plasmid: Pflag
Molecule: Tissue Factor Pathway Inhibitor Chain: C, D Fragment: Factor Xa-Binding Domain, Domain II Synonym: Tfpi, Epi, Laci Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Blood Tissue: Blood Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Je5505 Expression_system_plasmid: Pflag
symmetry	Space Group: P 21 21 21	R_factor 0.162 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.900 96.200 137.700 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	CA	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1ADZ, 1AMH, 1EJA
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	The second Kunitz domain of human tissue factor pathway inhibitor: cloning, structure determination and interaction with factor Xa., Burgering MJ, Orbons LP, van der Doelen A, Mulders J, Theunissen HJ, Grootenhuis PD, Bode W, Huber R, Stubbs MT, J Mol Biol 1997 Jun 13;269(3):395-407. PMID:9199408

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk] Biological Unit Coordinates (1tfx.pdb1.gz) 45 Kb Biological Unit Coordinates (1tfx.pdb2.gz) 45 Kb LPC: Ligand-Protein Contacts for 1TFX CSU: Contacts of Structural Units for 1TFX Likely Quarternary Molecular Structure file(s) for 1TFX Structure Factors (233 Kb) Retrieve 1TFX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TFX from S2C, [Save to disk] Re-refined 1tfx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TFX 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 1TFX

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TFX, from MSDmotif at EBI Genome occurence of 1TFX's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tfxa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1tfxb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1tfxc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1tfxd_, 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: [1tfx_B] [1tfx] [1tfx_D] [1tfx_C] [1tfx_A] SWISS-PROT database: [P10646] [P00761] Domain organization of [TFPI1_HUMAN] [TRYP_PIG] by SWISSPFAM Domains found in 1TFX: [KU] [Tryp_SPc ] by SMART

Other resources with information on 1TFX

Community annotation for 1TFX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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