| peptidoglutaminase-II | Bacillus circulans | glycyl-L-glutamine | — | 18.2 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, glycyl-L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | L-glutamine | — | 50 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | L-glutaminyl-glycine | — | 0.66 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-glutaminyl-glycine |
| peptidoglutaminase-II | Bacillus circulans | L-histidyl-L-seryl-L-glutaminyl-glycyl-L-threonyl-L-phenylalanyl-L-threonine | — | 50 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-histidyl-L-seryl-L-glutaminyl-glycyl-L-threonyl-L-phenylalanyl-L-threonine |
| peptidoglutaminase-II | Bacillus circulans | L-isoleucyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide acetate | — | 44 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-isoleucyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide acetate |
| peptidoglutaminase-II | Bacillus circulans | L-lysyl-L-glutaminyl-glycine | — | 0.09 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-lysyl-L-glutaminyl-glycine |
| peptidoglutaminase-II | Bacillus circulans | L-prolyl-L-glutamine | — | 22.2 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-prolyl-L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | L-tyrosyl-L-glutamine | — | 10 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, L-tyrosyl-L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | N-acetyl-L-glutamine | — | 14.3 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, N-acetyl-L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | N-benzyloxycarbonyl-DL-glutamine | — | 22.2 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, N-benzyloxycarbonyl-DL-glutamine |
| peptidoglutaminase-II | Bacillus circulans | N-benzyloxycarbonyl-L-glutamine | — | 22.2 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, N-benzyloxycarbonyl-L-glutamine |
| peptidoglutaminase-II | Bacillus circulans | N-benzyloxycarbonyl-L-glutaminyl-glycine methyl ester | — | 1.25 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, N-benzyloxycarbonyl-L-glutaminyl-glycine methyl ester |
| peptidoglutaminase-II | Bacillus circulans | N-tert-amyloxycarbonyl-L-glutaminyl-L-leucyl-glycine | — | 16.7 | — | pH 7.6, 30 °C | doi:10.1080/00021369.1973.10860916 | Open record: peptidoglutaminase-II, N-tert-amyloxycarbonyl-L-glutaminyl-L-leucyl-glycine |