BMRB Entry 31089

Title:
Backbone Dialkylation in Peptide Hairpins: Natural Backbone Prototype
Deposition date:
2023-06-01
Original release date:
2023-09-23
Authors:
Heath, S.; Horne, W.; Lengyel, G.
Citation:

Citation: Heath, S.; Horne, W.; Lengyel, G.. "Effects of chirality and side chain length in C alpha, alpha-dialkylated residues on beta-hairpin peptide folded structure and stability"  Org. Biomol. Chem. 21, 6320-6324 (2023).
PubMed: 37503895

Assembly members:

Assembly members:
entity_1, polymer, 17 residues, 1826.960 Da.

Natural source:

Natural source:   Common Name: Streptococcus sp. group G   Taxonomy ID: 1320   Superkingdom: Bacteria   Kingdom: not available   Genus/species: Streptococcus Streptococcus sp. group G

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: GEWAYNPATGKFAWTEX

Data sets:
Data typeCount
1H chemical shifts106

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 17 residues - 1826.960 Da.

1   GLYGLUTRPALATYRASNPROALATHRGLY
2   LYSPHEALATRPTHRGLUNH2

Samples:

sample_1: GB1 C-terminal Hairpin Mutant: Ala13 variant 2 mM; sodium phosphate 50 mM; DSS 0.2 mM

sample_conditions_1: ionic strength: 250 mM; pH: 6.3 pH*; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_1

Software:

TopSpin, Bruker Biospin - processing

NMRFAM-SPARKY, Lee W, Tonelli M, Markley JL - chemical shift assignment, peak picking

ARIA, Linge, O'Donoghue and Nilges - refinement, structure calculation

NMR spectrometers:

  • Bruker AVANCE 700 MHz