1DLK	Hydrolase Hydrolase Inhibitor	date	Dec 10, 1999
title	Crystal Structure Analysis Of Delta-Chymotrypsin Bound To A Chloromethyl Ketone Inhibitor
authors	A.Mac Sweeney, G.Birrane, M.A.Walsh, T.O'Connell, J.P.G.Malthous
compound		source
Molecule: Thrombin Light Chain Chain: A, C Fragment: Residues 1-13 Ec: 3.4.21.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas
Molecule: Thrombin Heavy Chain Chain: B, D Fragment: Residues 16-245 Ec: 3.4.21.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas
Molecule: Peptidic Inhibitor Chain: E, F Engineered: Yes		Synthetic: Yes Other_details: This Sequence Was Synthetically Constructed
symmetry	Space Group: P 41 21 2	R_factor 0.207 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 121.170 121.170 116.080 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.14 Å
ligand	0QE, CL, HPH, PHQ	enzyme	Hydrolase E.C.3.4.21.1 BRENDA
related structures	by homologous chain: 1CA0, 1GHA
Gene Ontology	Chain Function Process Component D, B
Primary reference	Crystal structure of delta-chymotrypsin bound to a peptidyl chloromethyl ketone inhibitor., Mac Sweeney A, Birrane G, Walsh MA, O'Connell T, Malthouse JP, Higgins TM, Acta Crystallogr D Biol Crystallogr 2000 Mar;56 ( Pt 3):280-6. PMID:10713514

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1dlk.pdb1.gz) 80 Kb Biological Unit Coordinates (1dlk.pdb2.gz) 41 Kb Biological Unit Coordinates (1dlk.pdb3.gz) 42 Kb LPC: Ligand-Protein Contacts for 1DLK CSU: Contacts of Structural Units for 1DLK Likely Quarternary Molecular Structure file(s) for 1DLK Structure Factors (370 Kb) Retrieve 1DLK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DLK from S2C, [Save to disk] Re-refined 1dlk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DLK 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.

Visual 3D analysis of 1DLK

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1DLK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dlk.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d1dlk.2, region C:,D [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1dlk_B] [1dlk_C] [1dlk] [1dlk_F] [1dlk_A] [1dlk_D] [1dlk_E] SWISS-PROT database: [P00766] Domain organization of [CTRA_BOVIN] by SWISSPFAM Domain found in 1DLK: [Tryp_SPc ] by SMART

Other resources with information on 1DLK

Community annotation for 1DLK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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