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psh

Gene
psh
Protein
Serine protease persephone
Organism
Drosophila melanogaster
Length
394 amino acids
Function
Serine protease that plays a key role in innate immunity in response to Gram-positive bacterial and fungal proteases (PubMed:12098703, PubMed:18724373, PubMed:16399077). Acts as a component of the Toll pathway upstream of protease spz processing enzyme SPE and Tl ligand spz (PubMed:12098703, PubMed:18724373, PubMed:16399077). Nec regulates the cascade by inhibiting psh (PubMed:12098703).
Similarity
Belongs to the peptidase S1 family. CLIP subfamily.
Mass
42.228 kDa
Sequence
MPLKWSLLLGTFVLISCSSVEAAVTVGRACKVTDTMPGICRTSSDCEPLIDGYIKSGVLTLNDVPSCGLGAWGEIFCCPTKPCCDNSTITSVSTSSTTSTKAPMTSGRVDVPTFGSGDRPAVAACKKIRERKQQRSGNQLVIHIVGGYPVDPGVYPHMAAIGYITFGTDFRCGGSLIASRFVLTAAHCVNTDANTPAFVRLGAVNIENPDHSYQDIVIRSVKIHPQYVGNKYNDIAILELERDVVETDNIRPACLHTDATDPPSNSKFFVAGWGVLNVTTRARSKILLRAGLELVPLDQCNISYAEQPGSIRLLKQGVIDSLLCAIDQKLIADACKGDSGGPLIHELNVEDGMYTIMGVISSGFGCATVTPGLYTRVSSYLDFIEGIVWPDNRV