>7Y6M_1|Chains A, B, C, D|Intracellular serine protease|Bacillus sp. (in: Bacteria) (1409) MASMTGGQQMGRDPNSMKGEIRLIPYEVKANVMEAKETPESIQEIKAPELWSSGFKGKGITIAVLDTGCDTEHPDLKDQIIGGKNFTDDDDGDAENVKDYNGHGTHVAGTIAATDQNGGILGVAPEAKLLIVKVLGGENGSGKYEWIIDGINYAAEQKVDIISMSLGGPSNEPALQEAIQNAVKSGVLVVCAAGNEGDGDERTEEFSYPAAYNEVIAVGSVSLARESSEFSNANKEIDLVAPGEDILSTLPNHKYGRLTGTSMAAPHVSGALAIIKNAEEEAFQRKLTEPEIYAQLVRRTLPLKQSKALVGNGFLYLTAPDVLLEKTLEADLLSLLEHHHHHH