1DQS	Lyase	date	Apr 09, 1998
title	Crystal Structure Of Dehydroquinate Synthase (Dhqs) Complexe Carbaphosphonate, Nad+ And Zn2+
authors	E.P.Carpenter, A.R.Hawkins, J.W.Frost, K.A.Brown
compound		source
Molecule: Protein (3-Dehydroquinate Synthase) Chain: A, B Fragment: N-Terminal Domain Of The Pentafunctional Arom Pro Synonym: Dhqs, 3-Deoxy-D-Arabino-Heptulosonate-7-Phosphate Lyase (Cyclizing); Ec: 4.6.1.3 Engineered: Yes Other_details: Dhqs Is A Dimer, With One Nad+, One Zn2+ And Substrate Analogue Inhibitor (Carbaphosphonate, Crb) Bound Monomer		Organism_scientific: Emericella Nidulans Organism_taxid: 162425 Strain: R153 Cellular_location: Cytoplasm Gene: Part Of Aroma Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Glw38 (Arob-) From The Glasgow Cu Collection; Expression_system_cellular_location: Cytoplasm Expression_system_vector_type: Plasmid Expression_system_vector: Ptrc99a Expression_system_plasmid: Ptr51 Expression_system_gene: Part Of Aroma
symmetry	Space Group: P 21 21 21	R_factor 0.174 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.677 80.810 143.513 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	CL, CRB, NAD, ZN	enzyme	Lyase E.C.4.6.1.3 BRENDA
related structures	by homologous chain: 1NR5, 1SG6
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of dehydroquinate synthase reveals an active site capable of multistep catalysis., Carpenter EP, Hawkins AR, Frost JW, Brown KA, Nature 1998 Jul 16;394(6690):299-302. PMID:9685163

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (1dqs.pdb1.gz) 129 Kb LPC: Ligand-Protein Contacts for 1DQS CSU: Contacts of Structural Units for 1DQS Likely Quarternary Molecular Structure file(s) for 1DQS Retrieve 1DQS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DQS from S2C, [Save to disk]

View 1DQS 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 1DQS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1DQS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dqsa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1dqsb_, region B [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: [1dqs_A] [1dqs_B] [1dqs] SWISS-PROT database: [P07547] Domain organization of [ARO1_EMENI] by SWISSPFAM

Other resources with information on 1DQS

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

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