1BTU		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	2BL, CA, SO4	enzyme
related structures	by homologous chain: 1HAX, 1QR3
Gene Ontology	Chain Function Process Component A
Primary reference	Inhibition of elastase by N-sulfonylaryl beta-lactams: anatomy of a stable acyl-enzyme complex., Wilmouth RC, Westwood NJ, Anderson K, Brownlee W, Claridge TD, Clifton IJ, Pritchard GJ, Aplin RT, Schofield CJ, Biochemistry 1998 Dec 15;37(50):17506-13. PMID:9860865

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1btu.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 1BTU CSU: Contacts of Structural Units for 1BTU Likely Quarternary Molecular Structure file(s) for 1BTU Retrieve 1BTU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BTU from S2C, [Save to disk]

View 1BTU 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: [1btu] [1btu_A] SWISS-PROT database: [P00772] Domain found in 1BTU: [Tryp_SPc ] by SMART

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