BMRB Entry 18938

Name: BTD-2[3,4]
Published: 2013-02-27

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PDB ID: 2m2y
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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Nicholas Rego and David Koes
3Dmol.js: molecular visualization with WebGL
Bioinformatics (2015) 31 (8): 1322-1324 doi:10.1093/bioinformatics/btu829

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Title:

BTD-2[3,4]

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:

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).
PubMed: 23430740

Assembly members:

Assembly members:
BTD-2[3,4], polymer, 18 residues, 2090.649 Da.

Natural source:

Natural source: Common Name: Olive baboon Taxonomy ID: 9555 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Papio anubis

Experimental source:

Experimental source: Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
BTD-2[3,4]: RCVCRRGVCRCVCRRGVC

Data sets:

assigned_chemical_shifts
- assigned_chem_shift_list_1

Data type	Count
13C chemical shifts	53
1H chemical shifts	119

Additional metadata:

Assembly
Samples and Experiments
Software
Spectrometers
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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

GLY

VAL

CYS

ARG

2

CYS

VAL

CYS

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