6NK9 | pdb_00006nk9

Solution structure of AcaTx1, a potassium channel inhibitor from the sea anemone Antopleura cascaia

PDB DOI: https://doi.org/10.2210/pdb6NK9/pdb
BMRB: 30555

Classification: TOXIN
Organism(s): Anthopleura
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2019-01-05 Released: 2020-01-15
Deposition Author(s): Amorim, G.C., Madio, B., Almeida, F.C.L.
Funding Organization(s): Brazilian National Council for Scientific and Technological Development (CNPq)

Experimental Data Snapshot

Method: SOLUTION NMR
Conformers Calculated: 200
Conformers Submitted: 10
Selection Criteria: structures with the lowest energy

wwPDB Validation 3D Report Full Report

Validation slider image for 6NK9

This is version 1.2 of the entry. See complete history.

Literature

Structural Features of Potassium Channel Inhibition By Acatx1, A Novel Sea Anemone Neurotoxin.

Amorim, G.C., Almeida, F.C.L., Madio, B.

To be published.

Macromolecule Content

Total Structure Weight: 3.35 kDa
Atom Count: 229
Modeled Residue Count: 32
Deposited Residue Count: 32
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aca Toxin 1	A	32	Anthopleura	Mutation(s): 0
UniProt
Find proteins for A0A6I8WFP9 (Anthopleura cascaia) Explore A0A6I8WFP9 Go to UniProtKB: A0A6I8WFP9
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A6I8WFP9
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: SOLUTION NMR
Conformers Calculated: 200
Conformers Submitted: 10
Selection Criteria: structures with the lowest energy

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2020-01-15

Deposition Author(s):

Almeida, F.C.L.

Funding Organization	Location	Grant Number
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	--

Revision History (Full details and data files)

Version 1.0: 2020-01-15
Type: Initial release
Version 1.1: 2023-06-14
Changes: Database references, Other
Version 1.2: 2024-10-30
Changes: Data collection, Database references, Structure summary

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.