3BTT		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	CA, SO4	enzyme
related structures	by homologous chain: 1LDT, 3BTD, 3BTG
Gene Ontology	Chain Function Process Component E I
Primary reference	The crystal structures of the complexes between bovine beta-trypsin and ten P1 variants of BPTI., Helland R, Otlewski J, Sundheim O, Dadlez M, Smalas AO, J Mol Biol 1999 Apr 16;287(5):923-42. PMID:10222201

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (3btt.pdb1.gz) 45 Kb Biological Unit Coordinates (3btt.pdb2.gz) 174 Kb Biological Unit Coordinates (3btt.pdb3.gz) 88 Kb LPC: Ligand-Protein Contacts for 3BTT CSU: Contacts of Structural Units for 3BTT Likely Quarternary Molecular Structure file(s) for 3BTT Structure Factors (240 Kb) Retrieve 3BTT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3BTT from S2C, [Save to disk] Re-refined 3btt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3BTT 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3btt] [3btt_E] [3btt_I] SWISS-PROT database: [P00974] [P00760] Domains found in 3BTT: [KU] [Tryp_SPc ] by SMART

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