| R01991 | [Fig] | ATP + L-Histidine + 4-Aminobutanoate | <=> | 5'-AMP + Diphosphate + Homocarnosine |
| R00910 | [Fig] | ATP + L-Lysine + beta-Alanine | <=> | 5'-AMP + Diphosphate + beta-Alanyl-L-lysine |
| R00912 | [Fig] | ATP + L-Arginine + beta-Alanine | <=> | 5'-AMP + Diphosphate + beta-Alanyl-L-arginine |
| R03285 | [Fig] | ATP + 1-Methylhistidine + beta-Alanine | <=> | 5'-AMP + Diphosphate + Anserine + H2O |
| R03286 | [Fig] | ATP + 1-Methylhistidine + beta-Alanine | <=> | 5'-AMP + Diphosphate + Anserine |
| R01164 | [Fig] | ATP + L-Histidine + beta-Alanine | <=> | 5'-AMP + Diphosphate + Carnosine |