Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

2NDD

Structure-activity relationship of peptide toxin HelaTx1: a new kappa-KTx subfamily affecting K+ channel

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsPeptide: {"description":"Potassium channel toxin kappa-KTx 5.1","featureId":"PRO_0000416813","evidences":[{"source":"PubMed","id":"22305749","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsSite: {"description":"Important residue for potassium channel Kv1.1/KCNA1 inhibition","evidences":[{"source":"PubMed","id":"32172732","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Key residue for potassium channel Kv1.1/KCNA1 inhibition","evidences":[{"source":"PubMed","id":"32172732","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Histidine amide","evidences":[{"source":"PubMed","id":"22305749","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

PDB statisticsPDBj update infoContact PDBjnumon