1QYR	Transferase, Translation	date	Sep 11, 2003
title	2.1 Angstrom Crystal Structure Of Ksga: A Universally Conser Adenosine Dimethyltransferase
authors	H.C.O'Farrell, J.N.Scarsdale, H.T.Wright, J.P.Rife
compound		source
Molecule: High Level Kasugamycin Resistance Protein Chain: A, B Synonym: Ksga; Dimethyladenosine Transferase; S-Adenosylmet N',N'-Adenosyl(Rrna) Dimethyltransferase; 16s Rrna Dimethyl Kasugamycin Dimethyltransferase; Ec: 2.1.1.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Ksga Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Hms174 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: C 1 2 1	R_factor 0.189 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 173.912 38.428 82.982 90.00 90.01 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand		enzyme	Transferase E.C.2.1.1 BRENDA
related structures	by homologous chain: 1I6K, 1MAU
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of KsgA, a universally conserved rRNA adenine dimethyltransferase in Escherichia coli., O'Farrell HC, Scarsdale JN, Rife JP, J Mol Biol 2004 May 28;339(2):337-53. PMID:15136037

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk] Biological Unit Coordinates (1qyr.pdb1.gz) 42 Kb Biological Unit Coordinates (1qyr.pdb2.gz) 41 Kb CSU: Contacts of Structural Units for 1QYR Likely Quarternary Molecular Structure file(s) for 1QYR Structure Factors (230 Kb) Retrieve 1QYR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QYR from S2C, [Save to disk] Re-refined 1qyr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QYR 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 1QYR

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 1QYR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qyra_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qyrb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qyr_B] [1qyr] [1qyr_A] SWISS-PROT database: [P06992] Domain organization of [RSMA_ECOLI] by SWISSPFAM Domain found in 1QYR: [rADc ] by SMART

Other resources with information on 1QYR

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

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