Dermaseptin-B4

Entry Dermaseptin-B4
Uniprot code P81486
Fasta P81486
Peptide names Insulin-releasing-peptide Dermaseptin-B4 Dermaseptin B4 Dermaseptin-2 IRS Dermaseptin-TR1
Suborder Neobatrachia
Family Hylidae
Genus Phyllomedusa
Species Phyllomedusa bicolor
Ecozone Neotropic
Distribution Amazon Basin in Brazil, Colombia, Bolivia, and Peru; the Guianan region of Venezuela and the Guianas. Possibly to be found in eastern Ecuador
Antimicrobial & other activities antibacterial, insulin releasing
Tissue Skin
Sequence MAFLKKSLFLVLFLGLVSLSICEEEKRENKDEIEQEDDEQSEEKRALWKDILKNVGKAAG
KAVLNTVTDMVNQGEQ
Length 76
Signal peptide class Class-1
References:
1. for MIC/HC50 S. Charpentier et al. / The Journal of Biological Chemistry 273 (1998) 14690-14697. Structure, synthesis, and molecular cloning of dermaseptins B, a family of skin peptide antibiotics
2. for other activities M. Amiche et al. / Peptides 29 (2008) 2074-2082. A consistent nomenclature of antimicrobial peptides isolated from frogs of the subfamily Phyllomedusinae


Segment type Name Length Amidated Sequence HC50 (μM) MIC E. coli (μM) MIC S. aureus (μM)
Signal   22   MAFLKKSLFLVLFLGLVSLSIC    
Prepro23 EEEKRENKDEIEQEDDEQSEEKR   
BioactiveDermaseptin-B428YesALWKDILKNVGKAAGKAVLNTVTDMVNQ 53