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modSP

Gene
modSP
Protein
Modular serine protease
Organism
Drosophila melanogaster
Length
628 amino acids
Function
Serine protease that plays a key role in innate immunity by activating the Toll pathway in response to infection with Gram-positive bacteria and fungi (PubMed:19590012, PubMed:24794300). During Gram-positive infection, acts downstream of PGRP-SA and upstream of Grass and Spz, and therefore appears to function in a pathway that links detection of Gram-positive lysine-type peptidoglycans to Toll activation (PubMed:19590012). Functions in a separate pathway to the psh-mediated activation of the Toll pathway (PubMed:19590012).
Similarity
Belongs to the peptidase S1 family.
Mass
69.433 kDa
Sequence
MQLISFLSNPLFFCALLLKFRTIFAACDSSQFECDNGSCISQYDVCNGEKNCPDGSDETALTCVSQRQHCTKPYFQCTYGACVIGTAGCNGVNECADGSDETRLRCGNEDDIRQHDRRLQGNCKENEFKCPSGICLDKSNFLCDGKDDCADGTGFDESVELCGHMECPAYSFKCGTGGCISGSLSCNGENDCYDGSDEAPLLCNTTKKVTTPVVTETPLELLGCPLPLGDERPILTGDGSRVLTGPITRGTVRFSCKQGYVLEGEESSYCAKNKWSTSTIPKCVKYCSTAGEFDGYSTKALCTHNGQQVECRKPFHPPGTEVKFVCSTGFKTLSPLPEMRCMKGGYWNRGRQRCEQDCGQLATPIKQFSSGGYTINNTVVPWHVGLYVWHNEKDYHFQCGGSLLTPDLVITAAHCVYDEGTRLPYSYDTFRVIAAKFYRNYGETTPEEKRRDVRLIEIAPGYKGRTENYYQDLALLTLDEPFELSHVIRPICVTFASFAEKESVTDDVQGKFAGWNIENKHELQFVPAVSKSNSVCRRNLRDIQADKFCIFTQGKSLACQGDSGGGFTSELPTNAFSTWNTARHFLFGVISNAPNADQCAHSLTVMTNIQHFEDMILNAMNRSVETRS