Protein
Immune inhibitor A
Organism
Bacillus thuringiensis subsp. alesti
Function
Neutral metalloprotease that is secreted to degrade antibacterial proteins produced by the insect host for its defense (attacins and cecropins). Probably degrades some unknown crucial protein(s) too, since it is toxic when injected to insect larvae.
Similarity
Belongs to the peptidase M6 family.
Sequence
MKDAKADTKEKLNQPATGTPAATGPVKGGLNGKVPTSPAKQKAYNGDVRKDKVLVLLVEYADFKHNNIDKEPGYMYSEDFNKEHYEKMLYGDEPFALEDGSKIETFKQYYEEQSGGSYTVDGTVTKWLTVPGKAADYGADAATGHDNKGPKGPRDLVKDALKAAVDSGLDLSQFDQFDQYDVNGDGNQNQPDGLIDHLMIIHAGVGQEAGGGKLGDDAIWSHRWTVGPKPFAIEGTQAKVPYWGGKMAAFDYTIEPEDGAVGVNAHEYGHDLGLPDEYDTDYTGHGEPIQAWSVMSGGTWAGKIAGTTPTSFSPQNKEFFQKTIGGNWANIVEVDYEKLNKGIGLATYLDQSVTKSNRPGMIRVNLPDKDVKTIRPAFGKQYYYSTKGDNLHTTLETPLFDLTNATNAKFDFKSLYEIEAEYDFLEVHAVTEDGQKTLIERLGEKANSGNAEATNGKWIDKSYDLSQFKGKKVKLTFEYITDGGLALNGGLLDNASLTVDGKVTFSDDAEGTPQLKLDGFVVSSGTEKKKHNYYVEWRNHTGSDSALKFARGPEYNSGMVVWYADSAYADNWVGLHPGHGFLGVVDSHPEAIVGTLNGKPTIDSSTRFQIADAAFSFDKTPAWKVVSPTRGTYTYDGLAGVAKFDDSKTYINQQIPDAGRILPKLGLKFEVVGQADDNSAGAVRLYR