1ORK	Transcription Regulation	date	May 21, 1998
title	Tet Repressor, Class D In Complex With 9-(N,N-Dimethylglycyl Demethyl-6-Deoxy-Tetracycline
authors	P.Orth, D.Schnappinger, P.E.Sum, G.A.Ellestad, W.Hillen, W.Saeng W.Hinrichs
compound		source
Molecule: Tetracycline Repressor Chain: A Synonym: Tet Repressor, Class D Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: K12 Delta H1 Delta Trp Cellular_location: Cytoplasm Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pwh610
symmetry	Space Group: I 41 2 2	R_factor 0.214 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.940 68.940 180.750 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	ATC, MG	enzyme
related structures	by homologous chain: 1A6I, 1BJ0
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the tet repressor in complex with a novel tetracycline, 9-(N,N-dimethylglycylamido)- 6-demethyl-6-deoxy-tetracycline., Orth P, Schnappinger D, Sum PE, Ellestad GA, Hillen W, Saenger W, Hinrichs W, J Mol Biol 1999 Jan 15;285(2):455-61. PMID:9878420

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1ork.pdb1.gz) 65 Kb LPC: Ligand-Protein Contacts for 1ORK CSU: Contacts of Structural Units for 1ORK Likely Quarternary Molecular Structure file(s) for 1ORK Retrieve 1ORK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ORK from S2C, [Save to disk]

View 1ORK 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 1ORK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1ORK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ork_1, region 2-67 [Jmol] [rasmolscript] [script source]     - Domain d1ork_2, region 68-208 [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: [1ork] [1ork_A] SWISS-PROT database: [P0ACT4] Domain organization of [TETR4_ECOLX] by SWISSPFAM

Other resources with information on 1ORK

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

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