Mr5.1b (P02691) Protein Card

General Information
Name Mr5.1b
Alternative name(s) Mr078
Organism Conus marmoreus
Organism region Indo-Pacific
Organism diet molluscivorous
Protein Type Wild type
Protein precursor Mr5.1b precursor (856)
Mr5.1b precursor (5473)
Notes The peptide mass was found by MS but it was not sequenced by MS/MS (Dutertre 2013).

Classification
Conopeptide class conotoxin
Gene superfamily T superfamily
Cysteine framework V
Pharmacological family

Sequence
CCPGWELCC(Gla)WDDGW
Modified residues
positionsymbolname
10GlaGamma carboxylic glutamic acid
Sequence evidence protein level
Average Mass 1841.96
Monoisotopic Mass 1840.56
Isoelectric Point 2.28
Extinction Coefficient [280nm] 16500.00

References
Han,Y.H., Wang,Q., Jiang,H., Miao,X.W., Chen,J.S. and Chi,C.W. (2005) Sequence diversity of T-superfamily conotoxins from Conus marmoreus Toxicon 45:481-487
Dutertre,S., Jin,A.H., Kaas,Q., Jones,A., Alewood,P.F. and Lewis,R.J. (2013) Deep venomics reveals the mechanism for expanded peptide diversity in cone snail venom. Mol. Cell Proteomics 12:312-329

Internal links
Protein Precursor Mr5.1b precursor (856)
Mr5.1b precursor (5473)
Nucleic acids
Structure

External links
Ncbi Q6PN85, AAT01629

Tools