1KDQ		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	enzyme
related structures	by homologous chain: 1CBW, 1CGJ, 1MZD
Gene Ontology	Chain Function Process Component A B
Primary reference	Three dimensional structures of S189D chymotrypsin and D189S trypsin mutants: the effect of polarity at site 189 on a protease-specific stabilization of the substrate-binding site., Szabo E, Venekei I, Bocskei Z, Naray-Szabo G, Graf L, J Mol Biol 2003 Aug 29;331(5):1121-30. PMID:12927546

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1kdq.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1KDQ CSU: Contacts of Structural Units for 1KDQ Likely Quarternary Molecular Structure file(s) for 1KDQ Structure Factors (84 Kb) Retrieve 1KDQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KDQ from S2C, [Save to disk] Re-refined 1kdq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KDQ 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: [1kdq] [1kdq_A] [1kdq_B] SWISS-PROT database: [P07338] Domain found in 1KDQ: [Tryp_SPc ] by SMART

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