| Entry |
|
| Name |
thymidylate synthase (FAD);
Thy1;
ThyX
|
| Class |
Transferases;
Transferring one-carbon groups;
Methyltransferases
 |
| Sysname |
5,10-methylenetetrahydrofolate,FADH2:dUMP C-methyltransferase
|
| Reaction(IUBMB) |
5,10-methylenetetrahydrofolate + dUMP + NADPH + H+ = dTMP + tetrahydrofolate + NADP+ [RN: R06613]
|
| Reaction(KEGG) |
|
| Substrate |
|
| Product |
|
| Comment |
Contains FAD. All thymidylate synthases catalyse a reductive methylation involving the transfer of the methylene group of 5,10-methylenetetrahydrofolate to the C5 position of dUMP and a two electron reduction of the methylene group to a methyl group. Unlike the classical thymidylate synthase, ThyA (EC 2.1.1.45), which uses folate as both a 1-carbon donor and a source of reducing equivalents, this enzyme uses a flavin coenzyme as a source of reducing equivalents, which are derived from NADPH.
|
| Pathway |
| Pyrimidine metabolism | | One carbon pool by folate |
|
| Orthology |
| thymidylate synthase (FAD) |
|
| Genes |
DDI: | | DPP: | | PLF: | | VVM: | | GNI: | | MMT: | | AFE: | | AFR: | | ACU: | | AFI: | | HPY: | | HEO: | | HPJ: | | HPA: | | HPS: | | HHP: | | HHQ: | | HHR: | | HPG: | | HPP: | | HPB: | | HPL: | | HPC: | | HCA: | | HPM: | | HPE: | | HPO: | | HPI: | | HPQ: | | HPW: | | HPU: | | HEF: | | HPF: | | HEQ: | | HEX: | | HPT: | | HPZ: | | HPV: | | HPX: | | HEN: | | HPH: | | HEG: | | HPN: | | HEP: | | HEU: | | HES: | | HCN: | | HPD: | | HER: | | HEI: | | HPYA: | | HPYK: | | HPYO: | | HPYL: | | HHE: | | HAC: | | HMS: | | HFE: | | HBI: | | HCE: | | HCM: | | HCP: | | HCB: | | WSU: | | TDN: | | SUA: | | SKU: | | SULR: | | CJE: | | CJB: | | CJJ: | | CJU: | | CJN: | | CJI: | | CJM: | | CJS: | | CJP: | | CJR: | | CJD: | | CFF: | | CCV: | | CHA: | | CCO: | | CLA: | | ABU: | | ABT: | | ARC: | | SDL: | | SBA: | | NSA: | | NIS: | | SUN: | | GSU: | | GSK: | | GME: | | GUR: | | GLO: | | GBM: | | GEO: | | GEM: | | GEB: | | PCA: | | PPD: | | DVU: | | DVL: | | DVM: | | DVG: | | DDE: | | DDS: | | DDN: | | DMA: | | DSA: | | DAS: | | DAF: | | DHY: | | DPI: | | LIP: | | LIR: | | DBA: | | DRT: | | DPS: | | DAK: | | DPR: | | DSF: | | DAT: | | ADE: | | ACP: | | AFW: | | ANK: | | DBR: | | HMR: | | RPR: | | RPO: | | RPW: | | RPZ: | | RPG: | | RPS: | | RPV: | | RPQ: | | RPL: | | RPN: | | RTY: | | RTT: | | RTB: | | RCM: | | RCC: | | RBE: | | RBO: | | RCO: | | RFE: | | RAK: | | RRI: | | RRJ: | | RRA: | | RRC: | | RRH: | | RRB: | | RRN: | | RRP: | | RMS: | | RMI: | | RPK: | | RAF: | | RHE: | | RJA: | | RSV: | | RSW: | | RPH: | | RAU: | | RMO: | | RPP: | | RRE: | | RAM: | | OTS: | | OTT: | | WOL: | | WBM: | | WOO: | | WRI: | | WPI: | | WEN: | | WED: | | AMA: | | AMF: | | ACN: | | APH: | | ERU: | | ERW: | | ERG: | | ECN: | | ECH: | | NSE: | | NRI: | | PUB: | | PEL: | | MMN: | | RLT: | | AZC: | | BID: | | SIL: | | RCP: | | JAN: | | PDE: | | DSH: | | KVU: | | KVL: | | OAT: | | OAR: | | GOX: | | GOH: | | GBE: | | ACR: | | AMV: | | GDI: | | GDJ: | | GXY: | | APT: | | APW: | | APF: | | APU: | | APG: | | APQ: | | APX: | | APZ: | | RRU: | | RRF: | | RPM: | | AZL: | | ALI: | | ABS: | | TMO: | | APB: | | APC: | | APM: | | MGM: | | DIN: | | BSUB: | | BAO: | | BAH: | | BAI: | | BAX: | | BCZ: | | BWE: | | MCL: | | CPE: | | CPF: | | CPR: | | CTC: | | CNO: | | CBO: | | CBA: | | CBH: | | CBY: | | CBL: | | CBB: | | CBI: | | CBN: | | CBF: | | CBM: | | CBJ: | | CKL: | | CKR: | | CCL: | | CAD: | | CPAS: | | CDF: | | CDL: | | CDG: | | CST: | | AMT: | | AOE: | | SWO: | | SLP: | | DSY: | | DHD: | | DDH: | | DDL: | | DRM: | | DAE: | | DCA: | | DRU: | | PTH: | | DAU: | | TJR: | | SGY: | | DOR: | | DAI: | | DMI: | | FMA: | | APR: | | EEL: | | ERT: | | ELM: | | AWO: | | CLE: | | RIX: | | RIM: | | CCT: | | EHA: | | RAL: | | RBR: | | RCH: | | FPR: | | FPA: | | CHY: | | TEP: | | TAE: | | MTA: | | ADG: | | TPZ: | | CSC: | | ATE: | | COB: | | CHD: | | COW: | | CKI: | | CKN: | | CLC: | | TOC: | | CPO: | | TNR: | | MAS: | | NTH: | | HOR: | | HAS: | | HPK: | | AAR: | | HHL: | | SSG: | | SRI: | | MHG: | | AFN: | | AIN: | | EUC: | | MTU: | | MTV: | | MTC: | | MRA: | | MTF: | | MTB: | | MTK: | | MTZ: | | MTG: | | MTI: | | MTE: | | MTL: | | MTO: | | MTD: | | MTN: | | MTJ: | | MTUB: | | MBO: | | MBB: | | MBT: | | MBM: | | MBK: | | MAF: | | MCE: | | MCQ: | | MCV: | | MCX: | | MCZ: | | MLE: | | MLB: | | MPA: | | MAV: | | MIT: | | MIR: | | MIA: | | MID: | | MSM: | | MSG: | | MSA: | | MUL: | | MVA: | | MGI: | | MSP: | | MAB: | | MMC: | | MKM: | | MJL: | | MJD: | | MMI: | | MRH: | | MMM: | | MCB: | | MLI: | | ASD: | | CGL: | | CGB: | | CGU: | | CGT: | | CEF: | | CDI: | | CDP: | | CDH: | | CDT: | | CDE: | | CDR: | | CDA: | | CDZ: | | CDB: | | CDS: | | CDD: | | CDW: | | CDV: | | CJK: | | CUR: | | CUA: | | CAR: | | CKP: | | CPU: | | CPL: | | CPG: | | CPP: | | CPK: | | CPQ: | | CPX: | | CPZ: | | COR: | | COP: | | COD: | | COS: | | COI: | | COE: | | COU: | | CRD: | | CUL: | | CUC: | | CUE: | | CVA: | | CHN: | | CCN: | | RHA: | | RER: | | ROP: | | REQ: | | GBR: | | GPO: | | GOR: | | SCO: | | SMA: | | SGR: | | SCB: | | SSX: | | SVL: | | SCT: | | SCY: | | SFA: | | SBH: | | SHY: | | SHO: | | SVE: | | SDV: | | SALB: | | STRP: | | SFI: | | KSK: | | TWH: | | TWS: | | CMI: | | CMS: | | CMC: | | TFU: | | NDA: | | NAL: | | TCU: | | FRA: | | FRE: | | FRI: | | FAL: | | FSY: | | ACE: | | NML: | | BSD: | | MMAR: | | SEN: | | SVI: | | TBI: | | AMD: | | AMN: | | AMM: | | PDX: | | AMI: | | SESP: | | STP: | | SAQ: | | MAU: | | MIL: | | VMA: | | CAI: | | SNA: | | RXY: | | CCU: | | SHI: | | ELE: | | EYY: | | GPA: | | BBZ: | | BBN: | | BBJ: | | BGB: | | BAF: | | BAFZ: | | BBS: | | BDU: | | BRE: | | BCW: | | TPA: | | TPP: | | TPU: | | TPH: | | TPO: | | TPC: | | TPG: | | TPM: | | TPB: | | TDE: | | TSU: | | TBE: | | TAZ: | | TPI: | | TPL: | | SSM: | | STA: | | STQ: | | SCC: | | SCD: | | SFC: | | LBI: | | LBF: | | SBU: | | SGP: | | PDT: | | GAU: | | PLM: | | PBS: | | EMI: | | RSD: | | TAI: | | ACO: | | TLI: | | AMO: | | SYN: | | SYZ: | | SYY: | | SYT: | | SYS: | | SYQ: | | SYW: | | SYC: | | SYF: | | SYD: | | SYE: | | SYG: | | SYR: | | SYX: | | CYA: | | CYB: | | SYNE: | | SYNP: | | AMR: | | CGC: | | CAN: | | CSN: | | HAO: | | GVI: | | ANA: | | NPU: | | NOS: | | AVA: | | CALO: | | RIV: | | PMA: | | PMM: | | PMT: | | PMN: | | PMI: | | PMB: | | PMC: | | PMF: | | PMG: | | PMH: | | PMJ: | | PME: | | LEP: | | GEI: | | OAC: | | PSEU: | | MIC: | | ARP: | | SCS: | | CTE: | | CPC: | | CCH: | | CPH: | | CPB: | | CLI: | | PVI: | | PLT: | | PPH: | | PAA: | | CTS: | | DET: | | DEH: | | DEB: | | DEV: | | DEG: | | DMC: | | DMD: | | DLY: | | DGE: | | DMR: | | DGO: | | DPD: | | TRA: | | TTH: | | TTJ: | | TTS: | | TTL: | | TSC: | | TOS: | | OPR: | | MHD: | | AAE: | | HYA: | | HHO: | | HYS: | | HTH: | | HTE: | | TAL: | | SUL: | | SAF: | | PMX: | | TAM: | | DTE: | | TMA: | | TPT: | | TLE: | | TRQ: | | TNA: | | TNP: | | TTA: | | TME: | | TAF: | | FNO: | | FPE: | | PMO: | | KOL: | | MPZ: | | MPG: | | DTH: | | DTU: | | TYE: | | LFC: | | LFI: | | DDF: | | CNI: | | FSI: | | TID: | | CEX: | | TTR: | | MOX: | | APO: | | HAL: | | HSL: | | HMA: | | HHI: | | HUT: | | HJE: | | TAR: | | PHO: | | PAB: | | PFU: | | PFI: | | PYN: | | PYA: | | TKO: | | TON: | | TGA: | | TSI: | | TBA: | | THE: | | THA: | | THM: | | ABI: | | ACF: | | MAX: | | APE: | | SMR: | | SHC: | | IHO: | | DKA: | | DMU: | | DFD: | | TAG: | | IAG: | | THG: | | HBU: | | PFM: | | SSO: | | SOL: | | STO: | | SAI: | | SACN: | | SACR: | | SIS: | | SIA: | | SIM: | | SID: | | SIY: | | SIN: | | SII: | | SIH: | | SIR: | | SIC: | | MSE: | | MCN: | | AHO: | | PAI: | | PIS: | | PCL: | | PAS: | | PYR: | | POG: | | TNE: | | CMA: | | TUZ: | | TTN: | | VDI: | | VMO: | | ASC: | | CLG: | | FFO: | | NEQ: | | KCR: | | HAH: | | » show all
 |
| Reference |
|
| Authors |
Myllykallio H, Lipowski G, Leduc D, Filee J, Forterre P, Liebl U. |
| Title |
An alternative flavin-dependent mechanism for thymidylate synthesis. |
| Journal |
Science. 297 (2002) 105-7. |
| Organism |
Dictyostelium discoideum [GN: ddi], Rickettsia prowazekii [GN: rpr], Borrelia burgdorferi [GN: bbu], Treponema pallidum [GN: tpa], Pyrococcus horikoshii [GN: pho], Pyrococcus abyssi [GN: pab], Helicobacter pylori, Campylobacter jejuni, Mycobacterium tuberculosis, Chlamydia sp., Sulfolobus solfaraticus |
| Reference |
|
| Authors |
Griffin J, Roshick C, Iliffe-Lee E, McClarty G |
| Title |
Catalytic mechanism of Chlamydia trachomatis flavin-dependent thymidylate synthase. |
| Journal |
J. Biol. Chem. 280 (2005) 5456-67. |
| Reference |
|
| Authors |
Graziani S, Bernauer J, Skouloubris S, Graille M, Zhou CZ, Marchand C, Decottignies P, van Tilbeurgh H, Myllykallio H, Liebl U |
| Title |
Catalytic mechanism and structure of viral flavin-dependent thymidylate synthase ThyX. |
| Journal |
J. Biol. Chem. 281 (2006) 24048-57. |
| Reference |
|
| Authors |
Koehn EM, Fleischmann T, Conrad JA, Palfey BA, Lesley SA, Mathews II, Kohen A |
| Title |
An unusual mechanism of thymidylate biosynthesis in organisms containing the thyX gene. |
| Journal |
Nature. 458 (2009) 919-23. |
| Reference |
|
| Authors |
Koehn EM, Kohen A |
| Title |
Flavin-dependent thymidylate synthase: a novel pathway towards thymine. |
| Journal |
Arch. Biochem. Biophys. 493 (2010) 96-102. |
| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: CAS: 850167-13-4 |