BMRB Entry 30847

Name: NMR structure of Beta-KTx14.3
Published: 2022-02-04

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PDB ID: 7lgv
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full
BMRB Entry DOI: doi:10.13018/BMR30847
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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:

NMR structure of Beta-KTx14.3

Deposition date:

2021-01-21

Original release date:

2022-02-04

Authors:

Carranza-Gonzalez, L.; Titaux-Delgado, G.; del Rio-Portilla, J.

Citation:

Citation: Titaux-Delgado, G.; Lopez-Giraldo, A.; Carrillo, E.; Cofas-Vargas, L.; Carranza-Gonzalez, L.; Lopez-Vera, E.; Garcia-Hernandez, E.; del Rio-Portilla, J.. "Beta-KTx14.3, a scorpion toxin, blocks the human potassium channel KCNQ1" Biochim. Biophys. Acta Proteins Proteom. 1871, 140906-140906 (2023).
PubMed: 36918120

Assembly members:

Assembly members:
entity_1, polymer, 48 residues, 5271.080 Da.

Natural source:

Natural source: Common Name: Chinese swimming scorpion Taxonomy ID: 172552 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Lychas mucronatus

Experimental source:

Experimental source: Production method: recombinant technology Host organism: Escherichia coli

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: IAGVADLNNMSQLGCPFIEK WCEDHCESKKQVGKCENFDC SCVKLGGK

Data sets:

assigned_chemical_shifts
- assigned_chemical_shifts_1
spectral_peak_list
- spectral_peak_list_1

Data type	Count
1H chemical shifts	257

Additional metadata:

Assembly
Samples and Experiments
Software
Spectrometers
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Assembly:

Entity Assembly ID	Entity Name	Entity ID
1	unit_1	1

Entities:

Entity 1, unit_1 48 residues - 5271.080 Da.

1

ILE

ALA

GLY

VAL

ALA

ASP

LEU

ASN

MET

2

SER

GLN

LEU

GLY

CYS

PRO

PHE

ILE

GLU

LYS

3

TRP

CYS

GLU

ASP

HIS

CYS

GLU

SER

LYS

4

GLN

VAL

GLY

LYS

CYS

GLU

ASN

PHE

ASP

CYS

5

SER

CYS

VAL

LYS

LEU

GLY

LYS

Samples:

sample_1: Beta-KTx14.3 0.8 ± 0.02 mg/mL

sample_conditions_1: pH: 4.0; pressure: 1 atm; temperature: 289 K

Experiments:

Name	Sample	Sample state	Sample conditions
2D 1H-1H NOESY	sample_1	isotropic	sample_conditions_1
2D 1H-1H TOCSY	sample_1	isotropic	sample_conditions_1
2D 1H-1H NOESY	sample_1	isotropic	sample_conditions_1
2D 1H-1H TOCSY	sample_1	isotropic	sample_conditions_1

Software:

NMRPipe, Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax - processing

CARA, Keller and Wuthrich - chemical shift assignment

CYANA, Guntert, Mumenthaler and Wuthrich - structure calculation

Amber, Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman - refinement

NMR spectrometers:

Bruker AMX 700 MHz