The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2012
Filed:
Oct. 08, 2004
Subramaniasastry Kozhalmannom Krishnan, Karnataka, IN;
Padmanabhan Balaram, Karnataka, IN;
Subramaniasastry Kozhalmannom Krishnan, Karnataka, IN;
Padmanabhan Balaram, Karnataka, IN;
National Centre for Biological Sciences, Bangalore, IN;
Abstract
A novel 13-residue peptide Mo1659 is isolated from the venom of a the cone snail,. HPLC fractions of the venom extract yielded an intense UV absorbing fraction with a mass of 1659 Da. De novo sequencing using matrix assisted laser desorption and ionization and electrospray MS/MS methods with analysis of proteolytic fragments yielded the amino acid sequence, FHGGSWYRFPWGY-NH(SEQ ID NO: 1), confirmed by comparison with the chemically synthesized peptide and conventional Edman sequencing. Mo1659 has an unusual sequence with a preponderance of aromatic residues and absence of apolar, aliphatic residues like Ala, Val, Len, Ile. Mo1659 has no disulfide bridges, distinguishing it from the conotoxins and bears no sequence similarity with any of the acyclic peptides isolated thus far from cone snail venoms. Electrophysiological studies on the effect of Mo 1659 on measured currents in dorsal root ganglion neurons suggest that the peptide targets non-inactivating voltage dependent potassium channels.
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