1DWK	Lyase	date	Dec 07, 1999
title	Structure Of Cyanase With The Di-Anion Oxalate Bound At The Active Site
authors	M.A.Walsh, Z.Otwinowski, A.Perrakis, P.M.Anderson, A.Joachimiak
compound		source
Molecule: Cyanate Hydratase Chain: A, B, C, D, E, F, G, H, I, J Ec: 4.2.1.104 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.146 R_Free 0.181
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.330 80.930 82.130 70.10 71.95 66.42
method	X-Ray Diffraction	resolution	1.65 Å
ligand	MSE, OXL, SO4	enzyme	Lyase E.C.4.2.1.104 BRENDA
related structures	by homologous chain: 1DW9
Gene Ontology	Chain Function Process Component F, A, J, E, B, H, C, D, I, G
Primary reference	Structure of cyanase reveals that a novel dimeric and decameric arrangement of subunits is required for formation of the enzyme active site., Walsh MA, Otwinowski Z, Perrakis A, Anderson PM, Joachimiak A, Structure Fold Des 2000 May 15;8(5):505-14. PMID:10801492

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (298 Kb) [Save to disk] Biological Unit Coordinates (1dwk.pdb1.gz) 289 Kb LPC: Ligand-Protein Contacts for 1DWK CSU: Contacts of Structural Units for 1DWK Likely Quarternary Molecular Structure file(s) for 1DWK Structure Factors (1400 Kb) Retrieve 1DWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DWK from S2C, [Save to disk] Re-refined 1dwk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DWK 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 1DWK

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 1DWK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dwka1, region A:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwka2, region A:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkb1, region B:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkb2, region B:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkc1, region C:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkc2, region C:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkd1, region D:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkd2, region D:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwke1, region E:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwke2, region E:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkf1, region F:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkf2, region F:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkg1, region G:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkg2, region G:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkh1, region H:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkh2, region H:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwki1, region I:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwki2, region I:87-156 [Jmol] [rasmolscript] [script source]     - Domain d1dwkj1, region J:1-86 [Jmol] [rasmolscript] [script source]     - Domain d1dwkj2, region J:87-156 [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: [1dwk_D] [1dwk] [1dwk_E] [1dwk_H] [1dwk_B] [1dwk_I] [1dwk_J] [1dwk_G] [1dwk_C] [1dwk_F] [1dwk_A] SWISS-PROT database: [P00816] Domain organization of [CYNS_ECOLI] by SWISSPFAM Domain found in 1DWK: [Cyanate_lyase ] by SMART

Other resources with information on 1DWK

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

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