BMRB Entry 50599

Title:
reference peptide including N-terminal Pro at pH values of 2.3 and 7.4 under denaturing conditions
Deposition date:
2020-11-29
Original release date:
2021-04-05
Authors:
Hinterholzer, Arthur; Schubert, Mario
Citation:

Citation: Hinterholzer, Arthur; Stanojlovic, Vesna; Regl, Christof; Huber, Christian; Cabrele, Chiara; Schubert, Mario. "Detecting aspartate isomerization and backbone cleavage after aspartate in intact proteins by NMR spectroscopy"  J. Biomol. NMR 75, 71-82 (2021).
PubMed: 33475951

Assembly members:

Assembly members:
entity_1, polymer, 5 residues, Formula weight is not available

Natural source:

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

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: PGGGX

Data sets:
Data typeCount
13C chemical shifts22
1H chemical shifts26

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1N-term Pro peptide1

Entities:

Entity 1, N-term Pro peptide 5 residues - Formula weight is not available

PRO-GLY-GLY-GLY-NH2

1   PROGLYGLYGLYNH2

Samples:

sample_1: N-term Pro peptide 4 mM; urea, [U-100% 2H], 7 M

sample_conditions_1: ionic strength: 0 M; pH: 2.3; pressure: 1 atm; temperature: 298 K

sample_conditions_2: ionic strength: 0 M; pH: 7.4; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-13C HSQCsample_1isotropicsample_conditions_1
2D 1H-13C HSQCsample_1isotropicsample_conditions_2
2D 1H-1H COSYsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_2
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_2
2D 1H-13C HMBCsample_1isotropicsample_conditions_1

Software:

SPARKY - chemical shift assignment

TOPSPIN - collection, processing

NMR spectrometers:

  • Bruker AVANCE III 600 MHz