ID 3.4.24.13 DE IgA-specific metalloendopeptidase. AN IgA protease. AN immunoglobulin A1 proteinase. CA Cleavage of Pro-|-Thr bond in the hinge region of the heavy chain of CA human IgA. CC -!- Found in several pathogenic species of Streptococcus such as CC S.sanguis and S.pneumoniae. CC -!- There is also an IgA-specific prolyl endopeptidase of serine-type CC (see EC 3.4.21.72). CC -!- Belongs to peptidase family M26. DR Q97QP7, IGA1A_STRPN; Q54875, IGA1B_STREE; Q59947, IGA1_STRR6 ; DR Q59986, IGA1_STRSA ; //