1KWK		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, CL, GAL, MPD, ZN	enzyme
related structures	by homologous chain: 1KWG
Gene Ontology	Chain Function Process Component A
Primary reference	Trimeric crystal structure of the glycoside hydrolase family 42 beta-galactosidase from Thermus thermophilus A4 and the structure of its complex with galactose., Hidaka M, Fushinobu S, Ohtsu N, Motoshima H, Matsuzawa H, Shoun H, Wakagi T, J Mol Biol 2002 Sep 6;322(1):79-91. PMID:12215416

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (114 Kb) [Save to disk] Biological Unit Coordinates (1kwk.pdb1.gz) 320 Kb LPC: Ligand-Protein Contacts for 1KWK CSU: Contacts of Structural Units for 1KWK Likely Quarternary Molecular Structure file(s) for 1KWK Structure Factors (282 Kb) Retrieve 1KWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KWK from S2C, [Save to disk] Re-refined 1kwk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KWK 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: [1kwk] [1kwk_A] SWISS-PROT database: [O69315]

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