BMRB Entry 18938
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Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full, SPARTA
BMRB Entry DOI: doi:10.13018/BMR18938
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Title: BTD-2[3,4] PubMed: 23430740
Deposition date: 2013-01-03 Original release date: 2013-02-27
Authors: Conibear, Anne; Rosengren, K. Johan; Daly, Norelle; Troiera Henriques, Sonia; Craik, David
Citation: Conibear, Anne; Rosengren, K. Johan; Daly, Norelle; Henriques, Sonia Troeira; Craik, David. "The Cyclic Cystine Ladder in -Defensins Is Important for Structure and Stability, but Not Antibacterial Activity." J. Biol. Chem. 288, 10830-10840 (2013).
Assembly members:
BTD-2[3,4], polymer, 18 residues, 2090.649 Da.
Natural source: Common Name: Olive baboon Taxonomy ID: 9555 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Papio anubis
Experimental source: Production method: chemical synthesis
Entity Sequences (FASTA):
BTD-2[3,4]: RCVCRRGVCRCVCRRGVC
- assigned_chemical_shifts
| Data type | Count |
| 13C chemical shifts | 53 |
| 1H chemical shifts | 119 |
Additional metadata:
Assembly:
| Entity Assembly ID | Entity Name | Entity ID |
|---|---|---|
| 1 | BTD-2[3,4] | 1 |
Entities:
Entity 1, BTD-2[3,4] 18 residues - 2090.649 Da.
Acyclic analogue of the theta-defensin BTD-2. Residues joined by disulfide bonds are 2-11, 4-9, and 13-18.
| 1 | ARG | CYS | VAL | CYS | ARG | ARG | GLY | VAL | CYS | ARG | ||||
| 2 | CYS | VAL | CYS | ARG | ARG | GLY | VAL | CYS |
Samples:
sample_1: BTD-2[3,4] 0.8 mM; DSS 10 ug; H2O 90%; D2O 10%
sample_2: BTD-2[3,4] 0.8 mM; DSS 10 ug; D2O 100%
sample_conditions_1: pH: 4; pressure: 1 atm; temperature: 298 K
Experiments:
| Name | Sample | Sample state | Sample conditions |
|---|---|---|---|
| 2D 1H-1H TOCSY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-1H NOESY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-13C HSQC | sample_2 | isotropic | sample_conditions_1 |
| 2D DQF-COSY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-1H ECOSY | sample_2 | isotropic | sample_conditions_1 |
Software:
CcpNMR v2.1, CCPN - chemical shift assignment, data analysis, peak picking
TOPSPIN v2.1, Bruker Biospin - collection, processing
CYANA v3.0, Guntert, Mumenthaler and Wuthrich - structure solution
CNS v2.1, Brunger, Adams, Clore, Gros, Nilges and Read - refinement
NMR spectrometers:
- Bruker Avance 500 MHz
- Bruker Avance 600 MHz
Related Database Links:
| PDB |