BMRB Entry 18736

Name: Solution structure of a Novel Alpha-Conotoxin TxIB
Published: 2012-12-04

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PDB ID: 2lz5
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full, SPARTA
BMRB Entry DOI: doi:10.13018/BMR18736
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Nicholas Rego and David Koes
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Bioinformatics (2015) 31 (8): 1322-1324 doi:10.1093/bioinformatics/btu829

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Title:

Solution structure of a Novel Alpha-Conotoxin TxIB

Deposition date:

2012-09-23

Original release date:

2012-12-04

Authors:

Luo, Sulan; Zhangsun, Dongting; Wu, Yong; Zhu, Xiaopeng; Hu, Yuanyan; McIntyre, Melissa; Christensen, Sean; Akcan, Muharrem; Craik, David J.; McIntosh, J. Michael

Citation:

Citation: Luo, Sulan; Zhangsun, Dongting; Wu, Yong; Zhu, Xiaopeng; Hu, Yuanyan; McIntyre, Melissa; Christensen, Sean; Akcan, Muharrem; Craik, David; McIntosh, J. Michael. "Characterization of a Novel alpha-Conotoxin from Conus textile That Selectively Targets alpha6/alpha3beta2beta3 Nicotinic Acetylcholine Receptors" J. Biol. Chem. 288, 894-902 (2013).
PubMed: 23184959

Assembly members:

Assembly members:
Conotoxin_TxIB, polymer, 17 residues, 1746.020 Da.

Natural source:

Natural source: Common Name: Cloth-of-gold cone Taxonomy ID: 6494 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Conus Textile

Experimental source:

Experimental source: Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
Conotoxin_TxIB: GCCSDPPCRNKHPDLCX

Data sets:

assigned_chemical_shifts
- assigned_chem_shift_list_1

Data type	Count
1H chemical shifts	92

Additional metadata:

Assembly
Samples and Experiments
Software
Spectrometers
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Assembly:

Entity Assembly ID	Entity Name	Entity ID
1	Conotoxin_TxIB	1

Entities:

Entity 1, Conotoxin_TxIB 17 residues - 1746.020 Da.

1

GLY

CYS

SER

ASP

PRO

CYS

ARG

ASN

2

LYS

HIS

PRO

ASP

LEU

CYS

NH2

Samples:

sample_1: Conotoxin_TxIB 3 mg; H2O 90%; D2O 10%

sample_conditions_1: ionic strength: 0 M; pH: 3.5; pressure: 1 atm; temperature: 280 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 DQF-COSY	sample_1	isotropic	sample_conditions_1

Software:

CYANA, Guntert, Mumenthaler and Wuthrich - structure solution

CNSSOLVE, Brunger, Adams, Clore, Gros, Nilges and Read - refinement

MolProbity, Richardson - Structure validation

NMR spectrometers:

Bruker Avance 600 MHz

PDB	2LZ5
EMBL	CCM73829
SP	K4RNX9
AlphaFold	K4RNX9