ID 3.4.23.49 DE omptin. AN outer membrane protein 3B. AN protease A. AN protease VII. CA Has a virtual requirement for Arg in the P1 position and a slightly less CA stringent preference for this residue in the P1' position, which can also CA contain Lys, Gly or Val. CC -!- Shows a preference for cleavage between consecutive basic amino CC acids, but is capable of cleavage when P1' is a non-basic residue. CC -!- Belongs to peptidase family A26. CC -!- Formerly EC 3.4.21.87. DR P58603, OMPT_ECO57 ; P09169, OMPT_ECOLI ; //