| Kinetic Parameter | Description | Reference |
| KAICAR | Michaelis Menten constant of AICAR transformylase converting AICAR to FAICAR | [S1] |
| kDHFR | Rate constant of dihydrofolate reductase converting DHF to THF | [S2] |
| KDHFR | Michaelis Menten constant for dihydrofolate reductase converting DHF to THF | [S2] |
| KFTCD | Michaelis Menten constant for 5-formimino-THF cyclodeaminase converting 5-formimino-THF to 5,10-methenyl-THF | [S3] |
| kFTCL | Rate constant of 5-formyl THF cycloligase converting 5-formyl THF to 5,10-methenyl THF | [S4] |
| KFTS | Michaelis Menten constant for formyl-THF synthetase converting formate to 10-formyl-THF | [S5] |
| KGDC | Michaelis Menten constant for glycine decarboxylase converting THF to 5,10-methylene THF | [S6] |
| kGF | Second order conversion rate of glyoxylate to formate | [S7] |
| KGFT | Michaelis Menten constant for glutamate formiminotransferase converting formiminoglutamate to 5-formimino-THF | [S8] |
| KGSYN | Michaelis Menten constant for glyoxylate synthetase converting formate to glyoxylate | [S9] |
| KGTF | Michaelis Menten constant for GAR transformylase converting GAR to FGAR | [S10] |
| KKHMT | Michaelis Menten constant for ketopantoate hydroxymethyltransferase converting a-KIVA to THF and ketopantoate | [S11] |
| kMHF_GAR | Rate constant for GAR transformylase converting 10-formyl-THF to THF | [S10] |
| KMTC | Michaelis Menten constant for 5,10-methylene THF cyclohydrolase converting 5,10-methenyl-THF to 10-formyl-THF | [S12] |
| KMTD | Michaelis Menten constant for 5,10-methylene THF dehydrogenase converting 5,10-methylene-THF to 5,10-methenyl-THF | [S12] |
| kMTR | Rate constant for methylene THF reductase converting 5,10-methylene-THF to 5-methyl-THF | [S13] |
| KMTR | Michaelis Menten constant for methylene THF reductase converting 5,10-methylene-THF to 5-methyl-THF | [S13] |
| KMTS | Michaelis Menten constant for methionine synthase converting homocysteine to methionine | [S14] |
| kSHM | Rate constant for serine hydroxymethyltransferase converting 5,10-methenyl-THF to 5-formyl-THF | [S15] |
| KSHM | Michaelis Menten constant for serine hydroxymethyl transferase converting 5,10-methenyl-THF to 5-formyl-THF | [S15] |
| kSHMT | Rate constant for serine hydroxymethyltransferase converting serine to glycine | [S16] |
| KSHMT | Michaelis Menten constant for serine hydroxymethyltransferase converting serine to glycine | [S16] |
| kTFA | Rate constant for the association of THF and Formaldehyde to 5,10-methylene-THF | [S17] |
| kTFD | Rate constant for the dissociation of 5,10-methylene-THF to THF and Formaldehyde | [S17] |
| KTS | Michaelis Menten for thymidylate synthase induced synthesis of thymidylate from 5,10-methenyl-THF | [S18] |
| VAICAR | Vmax of AICAR transformylase converting AICAR to FAICAR | [S1] |
| VFTCD | Vmax for 5-formimino-THF cyclodeaminase converting 5-formimino-THF to 5,10-methenyl-THF | [S3] |
| VFTS | Vmax for formyl-THF synthetase converting formate to 10-formyl-THF | [S5] |
| VGDC | Vmax for glycine decarboxylase converting THF to 5,10-methylene THF | [S6] |
| VGFT | Vmax for glutamate formiminotransferase converting formiminoglutamate to 5-formimino-THF | [S8] |
| VGSYN | Vmax for glyoxylate synthetase converting formate to glyoxylate | [S9] |
| VGTF | Vmax for GAR transformylase converting GAR to FGAR | [S10] |
| VKHMT | Vmax for ketopantoate hydroxymethyltransferase converting a-KIVA to THF and ketopantoate | [S34] |