1LKA		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	ACT, CA, CL	enzyme
related structures	by homologous chain: 1HV7, 1LKB
Gene Ontology	Chain Function Process Component A
Primary reference	Metal binding to porcine pancreatic elastase: calcium or not calcium., Weiss MS, Panjikar S, Nowak E, Tucker PA, Acta Crystallogr D Biol Crystallogr 2002 Sep;58(Pt 9):1407-12. PMID:12198296

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1lka.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 1LKA CSU: Contacts of Structural Units for 1LKA Likely Quarternary Molecular Structure file(s) for 1LKA Structure Factors (322 Kb) Retrieve 1LKA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LKA from S2C, [Save to disk] Re-refined 1lka structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LKA 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: [1lka] [1lka_A] SWISS-PROT database: [P00772] Domain found in 1LKA: [Tryp_SPc ] by SMART

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