Biological Magnetic Resonance Data Bank

A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
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BMRB Entry 20111

Title: Conformational Flexibility of SecA IRA1 Loop Region   PubMed: 21337475

Authors: Palladino, Pasquale; Saviano, Gabriella; Tancredi, Teodorico; Ragone, Raffaele; Benedetti, Ettore; Rossi, Filomena

Citation: Palladino, Pasquale; Saviano, Gabriella; Tancredi, Teodorico; Benedetti, Ettore; Rossi, Filomena; Ragone, Raffaele. "Structural determinants of protein translocation in bacteria: conformational flexibility of SecA IRA1 loop region."  J. Pept. Sci. 17, 263-269 (2011).

Assembly members:
SecA[788-804]Y794A, polymer, 17 residues, Formula weight is not available

Natural source:   Common Name: not available   Taxonomy ID: not available   Superkingdom: not available   Kingdom: not available   Genus/species: not available not available

Experimental source:   Production method: recombinant technology

Entity Sequences (FASTA):

Data sets:
Data typeCount
1H chemical shifts120

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
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Entity Assembly IDEntity NameEntity ID
1SecA fragment1


Entity 1, SecA fragment 17 residues - Formula weight is not available



sample_1: SecA[788-804]Y794A 1 mM; TFEd2-OH, [U-100% 2H], 50 % v/v; H2O 50 % v/v

sample_conditions_1: pH: 5.1; temperature: 300 K


NameSampleSample stateSample conditions
2D 1H-15N HSQCsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D DQF-COSYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1


NMRPipe, Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax - processing

NMRView, Johnson, One Moon Scientific - chemical shift assignment, data analysis, peak picking

CYANA, Guntert, Mumenthaler and Wuthrich - structure solution

NMR spectrometers:

  • Bruker Avance 600 MHz

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