Dataset Information
Contryphan sequence diversity:Conus lividus
Ontology highlight
ABSTRACT:
INSTRUMENT(S): Orbitrap Fusion
ORGANISM(S): Conus Lividus
TISSUE(S): Venom Duct, Epithelial Cell
SUBMITTER: 
P Balaram
LAB HEAD: Prof.P.Balaram, Molecular Biophysics Unit.
PROVIDER: PXD035670 | Pride | 2023-02-01
REPOSITORIES: Pride
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| cliv-crude-ILHGCPFQPWC-S.fasta | Fasta | |||
| cliv-crude-LHGCPFQPWC-S.fasta | Fasta | |||
| clividus-crude-ILHGCPFQPWC.MGF | Mgf | |||
| clividus-crude-LHGCPFQPWC.MGF | Mgf | |||
| clividus-crude.raw | Raw |
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Publications
Contryphan sequence diversity: Messy N-terminus processing, effects on chromatographic behaviour and mass spectrometric fragmentation.
Journal of proteomics 20221229
Contryphans, peptides containing a single disulfide bond, are found abundantly in cone snail venom. The analysis of a large dataset of available contryphan sequences permits a classification based on the occurrence of proline residues at positions 2 and 5 within the macrocyclic 23-membered disulfide loop. Further sequence diversity is generated by variable proteolytic processing of the contryphan precursor proteins. In the majority of contryphans, presence of Pro at position 2 and a D-residue at ...[more]