>6LTQ_1|Chains A, B, C, D|Pyroglutamyl-peptidase I|Fervidobacterium islandicum (2423) MEKTEKSGLSDSKKLSVLLTGFEPFGGEKVNPSMRIVKRLSKAVFPHISLHTLILPVSYQKSTEVLEEYYKTNNIDIALHLGQAGGSAGIRLERVAINLLDSKHPDNDGQVKEDVSIIDNGPDAYMTRVKIKAVAELLKKKKIPAFVSYTAGQYICNEVYYYSLHRSNVTGTPKHALFVHLPFLPEQVATKEGKLEKLPSMTLELQTKAVRLILENLKEFI