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1PJV

Cobatoxin 1 from Centruroides noxius Scorpion venom: Chemical Synthesis, 3-D Structure in Solution, Pharmacology and Docking on K+ channels

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0008200molecular_functionion channel inhibitor activity
Functional Information from PROSITE/UniProt
site_idPS01138
Number of Residues22
DetailsSCORP_SHORT_TOXIN Scorpion short toxins signature. CdkdCkrrgyrs..GKCInnaCkC
ChainResidueDetails
ACYS8-CYS29

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues7
DetailsSITE: Important for the interaction with Kv1.2/KCNA2 channel => ECO:0000305|PubMed:14498829
ChainResidueDetails
AARG6
ALYS10
AARG14
AARG18
AILE23
AASN24
ALYS28

site_idSWS_FT_FI2
Number of Residues1
DetailsSITE: Basic residue of the functional dyad, important for the interaction with Kv1.2/KCNA2 channel => ECO:0000305|PubMed:14498829
ChainResidueDetails
ALYS21

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Aromatic residue of the functional dyad, important for the interaction with Kv1.2/KCNA2 channel => ECO:0000305|PubMed:14498829
ChainResidueDetails
ATYR30

site_idSWS_FT_FI4
Number of Residues1
DetailsMOD_RES: Tyrosine amide => ECO:0000269|PubMed:9688256
ChainResidueDetails
ATYR32

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PDB entries from 2024-05-01

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