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- PDB-2mxe: Solution structure of the C-terminal domain of MvaT -

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Database: PDB / ID: 2mxe
TitleSolution structure of the C-terminal domain of MvaT
Function / homologyMvaT, DNA-binding domain / negative regulation of secondary metabolite biosynthetic process / negative regulation of single-species biofilm formation on inanimate substrate / regulation of L-arginine import / DNA-binding transcription activator activity / protein-DNA complex / transcription cis-regulatory region binding / positive regulation of transcription, DNA-templated / MvaT
Function and homology information
Biological speciesPseudomonas aeruginosa PAO1 (bacteria)
MethodSOLUTION NMR / simulated annealing
Model detailslowest energy, model1
AuthorsDing, P. / Xia, B.
CitationJournal: Plos Pathog. / Year: 2015
Title: A Novel AT-Rich DNA Recognition Mechanism for Bacterial Xenogeneic Silencer MvaT.
Authors: Ding, P. / McFarland, K.A. / Jin, S. / Tong, G. / Duan, B. / Yang, A. / Hughes, T.R. / Liu, J. / Dove, S.L. / Navarre, W.W. / Xia, B.
DepositionDec 25, 2014Deposition site: BMRB / Processing site: RCSB
Revision 1.0Jul 1, 2015Provider: repository / Type: Initial release

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Deposited unit
A: MvaT

Theoretical massNumber of molelcules
Total (without water)6,4601

  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
Number of conformers (submitted / calculated)20 / 100structures with the lowest energy
RepresentativeModel #1lowest energy


#1: Protein MvaT / Transcriptional regulator MvaT / P16 subunit

Mass: 6460.413 Da / Num. of mol.: 1 / Fragment: C-terminal domain (UNP residues 77-124)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas aeruginosa PAO1 (bacteria) / Strain: PAO1 / Gene: mvaT, PA4315 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9HW86

Experimental details


ExperimentMethod: SOLUTION NMR
NMR experiment
1112D 1H-15N HSQC
1212D 1H-13C HSQC
1413D HN(CA)CB
1713D HNCO
1913D 1H-15N NOESY
11013D 1H-13C NOESY

Sample preparation

DetailsContents: 1 mM [U-100% 13C; U-100% 15N] MvaT, 50 mM sodium phosphate, 50 mM sodium chloride, 90% H2O/10% D2O
Solvent system: 90% H2O/10% D2O
Conc. (mg/ml)ComponentIsotopic labelingSolution-ID
1 mMMvaT-1[U-100% 13C; U-100% 15N]1
50 mMsodium phosphate-21
50 mMsodium chloride-31
Sample conditionsIonic strength: 0.1 / pH: 6 / Pressure: ambient / Temperature: 298 K

NMR measurement

NMR spectrometer
TypeManufacturerModelField strength (MHz)Spectrometer-ID
Bruker AvanceBrukerAvance8001
Bruker AvanceBrukerAvance6002


NMR softwareName: AMBER
Developer: Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
Classification: refinement
RefinementMethod: simulated annealing / Software ordinal: 1
NMR constraintsNOE constraints total: 1820 / NOE intraresidue total count: 557 / NOE long range total count: 242 / NOE medium range total count: 177 / NOE sequential total count: 299 / Protein chi angle constraints total count: 7 / Protein other angle constraints total count: 8 / Protein phi angle constraints total count: 32 / Protein psi angle constraints total count: 32
NMR representativeSelection criteria: lowest energy
NMR ensembleConformer selection criteria: structures with the lowest energy
Conformers calculated total number: 100 / Conformers submitted total number: 20

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