>tr|Q859M4|Q859M4_BPT4 Gp21' prohead core protease alternate start product OS=Enterobacteria phage T4 OX=10665 GN=21' PE=4 SV=1
MLESHDGKDLGLKPGLYIEGIFMQAEVVNRNKRLYPKRILEKAVKDYINEQVLTKQALGE
LNHPPRANVDPMQAAIIIEDMWWKGNDVYGRARVIEGDHGPGDKLAANIRAGWIPGVSSR
GLGSLTDTNEGYRIVNEGFKLTVGVDAVWGPSAPDAWVTPKEITESQTAEADTSADDAYM
ALAEAMKKAL