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	Toxin Name U1-nemetoxin-Csp1b Source Species Calisoga  sp. Toxin Group Nemetoxin Description Insecticidal toxin that causes an excitatory paralysis in insects and is not active in mammals. Discovered 1995 This toxin last updated on Aug 10, 2010 Taxonomy Current Taxonomy Kingdom Animalia Phylum Arthropoda Class Arachnida Order Araneae Infra-order Mygalomorphae Family Nemesiidae Genus Calisoga Species sp. Biological Activity Neurotoxin Taxon ED50 LD50 PD50 Qualitative Information Heliothis virescens 863.0  pmol/g Native toxin, by injectionby injection into fifth instar larvae. PD50 based on literature value of 3.7 μg/g and M=4287.89 Da Accessions Source Accession ArachnoServer AS000029 InterPro IPR012626 NCBI_Taxon 269418 Pfam PF08091 UniProt P60977 Literature References Original Deposition References Johnson J.H., Kral R.M. Jr., Krapcho K. Patent number US5688764, 18-NOV-1997. Insecticidal peptides from spider venom. Other References Johnson J.H., Kral R.M. Jr., Krapcho K. Patent number WO 1996/025041 A1, 22-AUG-1996. Insecticidal peptides from spider venom. Protein Information Disulfide Bonds Left Residue Right Residue Evidence 1 15 Predicted 8 19 Predicted 14 25 Predicted 32 36 Predicted Sequences Peptide Sequences >as:U1-nemetoxin-Csp1b|sp:P60977 Insecticidal toxin from spider Calisoga sp. CISARYPCSNSKDCCSGNCGTFWTCFIRKDPCSKECLAP Full BLAST BLAST mature toxin only mRNA Sequences >as:U1-nemetoxin-Csp1b Partial cDNA sequence (mature peptide) for insecticidal toxin U1-nemetoxin-Csp1b from the spider Calisoga sp. TGCATATCGGCTCGTTATCCATGTTCAAATTCCAAAGACTGCTGTAGCGGAAACTGTGGT ACCTTTTGGACTTGTTTCATCAGAAAAGATCCGTGCTCTAAAGAATGTCTTGCGCCT Full BLAST Toxin Synonyms Synonym Type U1-nemetoxin-Csp1b Recommended full name U1-NETX-Csp1b Recommended abbreviation Peptide B Synonym
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