3BTD		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: 3BTQ, 3BTT
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] (49 Kb) [Save to disk] Biological Unit Coordinates (3btd.pdb1.gz) 44 Kb Biological Unit Coordinates (3btd.pdb2.gz) 171 Kb LPC: Ligand-Protein Contacts for 3BTD CSU: Contacts of Structural Units for 3BTD Likely Quarternary Molecular Structure file(s) for 3BTD Structure Factors (245 Kb) Retrieve 3BTD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3BTD from S2C, [Save to disk] Re-refined 3btd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3BTD 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: [3btd] [3btd_E] [3btd_I] SWISS-PROT database: [P00974] [P00760] Domains found in 3BTD: [KU] [Tryp_SPc ] by SMART

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