3.4.21.B21 additional information construction of dentilisin deletion mutants of strain ATCC 35405 -, 731118 3.4.21.B21 additional information construction of dentilisin deletion mutants of strain ATCC 35520 -, 731118 3.4.21.B21 additional information construction of dentilisin deletion mutants of strain ATCC 35521 -, 731118 3.4.21.B21 additional information dentilisin-deficient mutant K1 673984 3.4.21.B21 additional information in the isogenic CTLP mutant strain, CKE, chymotrypsin-like activity is reduced more than 90% compared to that in the wild type and fibrinogen binding and hydrolysis are ablated, the isogenic mutant strain MHE shows levels of CTLP reduced 40% relative to those in the wild type and exhibits correspondingly reduced levels of fibrinogen binding and proteolysis 680140 3.4.21.B21 additional information mutant of the 43000 protein lacking detectable dentilisin activity, dentilisn protein degraded in the mutant 673711