King-Kong 2 (P02547) Protein Card

General Information
Name King-Kong 2
Alternative name(s) KK-2
Organism Conus textile (Cloth-of-gold cone)
Organism region Indo-Pacific
Organism diet molluscivorous
Protein Type Wild type
Protein precursor King-Kong 2 precursor (600)
Notes This peptide was also found with the final leucine residue truncated and a C-terminal amidation (Bhatia 2012).

Classification
Conopeptide class conotoxin
Gene superfamily O1 superfamily
Cysteine framework VI/VII
Pharmacological family

Sequence
CAPFLHPCTFFFPNCCNSYCVQFICL
Sequence evidence protein level
Average Mass 3012.55
Monoisotopic Mass 3010.22
Isoelectric Point 8.75
Extinction Coefficient [280nm] 1490.00

References
Woodward,S.R., Cruz,L.J., Olivera,B.M. and Hillyard,D.R. (1990) Constant and hypervariable regions in conotoxin propeptides EMBO J. 9:1015-1020
Bhatia,S., Kil,Y.J., Ueberheide,B., Chait,B.T., Tayo,L., Cruz,L., Lu,B., Yates,J.R. 3rd. and Bern,M. (2012) Constrained de novo sequencing of conotoxins. J. Proteome Res. 11:4191-4200

Internal links
Protein Precursor King-Kong 2 precursor (600)
Nucleic acids
Structure

External links
Ncbi P18513, CAA37379

Tools