3R9X	Hydrolase Transferase Rna	date	Mar 26, 2011
title	Crystal Structure Of Era In Complex With Mggdpnp, Nucleotide 1542 Of 16s Ribosomal Rna, And Ksga
authors	C.Tu, X.Ji
compound		source
Molecule: Gtpase Era Chain: A Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Gene: Aq_1994, Era, Era1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdonr201
Molecule: Ribosomal Rna Small Subunit Methyltransferase A Chain: B Synonym: 16s Rrna (Adenine(1518)-N(6)Adenine(1519)-N(6))- Dimethyltransferase, 16s Rrna Dimethyladenosine Transferase Dimethylase, S-Adenosylmethionine-6-N', N'-Adenosyl(Rrna) Dimethyltransferase; Ec: 2.1.1.182 Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Gene: Aq_1816, Ksga, Rsma Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdonr201
Molecule: Rna301 Chain: C Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Aquifex Ae Except For U1506 That Is Replaced With C1506.
symmetry	Space Group: C 1 2 1	R_factor 0.171 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 195.502 68.094 73.587 90.00 100.62 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	ACT, GNP, MG, MRD	enzyme	Transferase E.C.2.1.1.182 BRENDA
Gene	AQ ; AQ
Gene Ontology	Chain Function Process Component A B
Primary reference	The Era GTPase recognizes the GAUCACCUCC sequence and binds helix 45 near the 3' end of 16S rRNA., Tu C, Zhou X, Tarasov SG, Tropea JE, Austin BP, Waugh DS, Court DL, Ji X, Proc Natl Acad Sci U S A. 2011 Jun 6. PMID:21646538

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (220 Kb) [Save to disk] Biological Unit Coordinates (3r9x.pdb1.gz) 214 Kb LPC: Ligand-Protein Contacts for 3R9X CSU: Contacts of Structural Units for 3R9X Structure Factors (155 Kb) Retrieve 3R9X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3R9X from S2C, [Save to disk] Re-refined 3r9x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3R9X in 3D

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Visual 3D analysis of 3R9X

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 3R9X, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3r9x_B] [3r9x] [3r9x_A] [3r9x_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3R9X: [rADc ] by SMART

Other resources with information on 3R9X

Community annotation for 3R9X at PDBWiki (http://pdbwiki.org)

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