| Entry |
|
| Name |
cystathionine gamma-synthase;
O-succinyl-L-homoserine succinate-lyase (adding cysteine);
O-succinylhomoserine (thiol)-lyase;
homoserine O-transsuccinylase;
O-succinylhomoserine synthase;
O-succinylhomoserine synthetase;
cystathionine synthase;
cystathionine synthetase;
homoserine transsuccinylase;
4-O-succinyl-L-homoserine:L-cysteine S-(3-amino-3-carboxypropyl)transferase
|
| Class |
Transferases;
Transferring alkyl or aryl groups, other than methyl groups;
Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
 |
| Sysname |
O4-succinyl-L-homoserine:L-cysteine S-(3-amino-3-carboxypropyl)transferase
|
| Reaction(IUBMB) |
O4-succinyl-L-homoserine + L-cysteine = L-cystathionine + succinate [RN: R03260]
|
| Reaction(KEGG) |
|
| Substrate |
O4-succinyl-L-homoserine [CPD: C01118];
L-cysteine [CPD: C00097]
|
| Product |
|
| Comment |
A pyridoxal-phosphate protein. Also reacts with hydrogen sulfide and methanethiol as replacing agents, producing homocysteine and methionine, respectively. In the absence of thiol, can also catalyse beta,gamma-elimination to form 2-oxobutanoate, succinate and ammonia.
|
| Pathway |
| Cysteine and methionine metabolism | | Selenocompound metabolism | | Sulfur metabolism | | Metabolic pathways | | Biosynthesis of secondary metabolites |
|
| Orthology |
| cystathionine gamma-synthase |
|
| Genes |
ATH: | | ALY: | | GMX: | | MTR: | | CSV: | | RCU: | | POP: | | VVI: | | OSA: | | DOSA: | | BDI: | | SBI: | | ZMA: | | SMO: | | PPP: | | CRE: | | VCN: | | OLU: | | OTA: | | CME: | | SCE: | | AGO: | | KLA: | | LTH: | | PPA: | | VPO: | | ZRO: | | CGR: | | DHA: | | PIC: | | PGU: | | LEL: | | CAL: | | CTP: | | CDU: | | YLI: | | CLU: | | NCR: | | SMP: | | PAN: | | MGR: | | FGR: | | NHE: | | SSL: | | BFU: | | ANI: | | NFI: | | AFM: | | AOR: | | ANG: | | AFV: | | ACT: | | PCS: | | CIM: | | CPW: | | URE: | | ABE: | | TVE: | | PNO: | | PTE: | | TML: | | SPO: | | CNE: | | CNB: | | LBC: | | MPR: | | CCI: | | SCM: | | UMA: | | MGL: | | MBR: | | EHI: | | PTI: | | PIF: | | ECO: | | ECJ: | | ECD: | | EBW: | | ECE: | | ECS: | | ECF: | | ETW: | | ELX: | | EOJ: | | EOI: | | EOH: | | ECG: | | EOK: | | ELR: | | ECC: | | ECP: | | ECI: | | ECV: | | ECX: | | ECW: | | ECM: | | ECY: | | ECR: | | ECQ: | | ECK: | | ECT: | | EOC: | | EUM: | | ECZ: | | ELO: | | ELN: | | ELH: | | ESM: | | ECL: | | EBR: | | EBD: | | EKO: | | EKF: | | EAB: | | EDH: | | EDJ: | | EIH: | | ENA: | | ELU: | | EUN: | | ELW: | | ELL: | | ELC: | | ELD: | | ELP: | | EBE: | | EFE: | | EBT: | | STY: | | STT: | | SEX: | | STM: | | SEO: | | SEV: | | SEY: | | SEM: | | SEJ: | | SEB: | | SEF: | | SPT: | | SEK: | | SPQ: | | SEI: | | SEC: | | SEH: | | SHB: | | SEE: | | SEW: | | SEA: | | SED: | | SEG: | | SEL: | | SET: | | SES: | | SBG: | | YPA: | | YPN: | | YPM: | | YPP: | | YPG: | | YPZ: | | YPD: | | YPX: | | YPH: | | YPS: | | YPI: | | YPY: | | YPB: | | YEN: | | YEP: | | YEY: | | SFL: | | SFX: | | SFV: | | SFE: | | SSN: | | SSJ: | | SBO: | | SBC: | | SDY: | | ECA: | | PCT: | | PWA: | | ETA: | | EPY: | | EPR: | | EAM: | | EAY: | | EBI: | | ERJ: | | PLU: | | PAY: | | SGL: | | ENT: | | ENC: | | ESC: | | EEC: | | ENL: | | EAS: | | EAE: | | ESA: | | CSK: | | CTU: | | KPN: | | KPU: | | KPM: | | KPE: | | KPO: | | KVA: | | KOX: | | CKO: | | CRO: | | SPE: | | SRR: | | SRS: | | SRA: | | PMR: | | EIC: | | ETR: | | BFL: | | BPN: | | BVA: | | DDA: | | DDC: | | DDD: | | DZE: | | XBO: | | XNE: | | PAM: | | PLF: | | PAJ: | | PAQ: | | PVA: | | PAO: | | RAH: | | RAQ: | | RAA: | | PSI: | | HIN: | | HIT: | | HIP: | | HIF: | | HIL: | | HIU: | | HIE: | | HIZ: | | HAP: | | HPR: | | HSO: | | HSM: | | PMU: | | PMV: | | PUL: | | PMP: | | MSU: | | APL: | | APJ: | | APA: | | ASU: | | AAP: | | AAT: | | AAO: | | AAN: | | GAN: | | XFA: | | XFT: | | XFM: | | XFN: | | XCC: | | XCB: | | XCA: | | XCV: | | XCP: | | XAC: | | XAX: | | XOO: | | XOM: | | XOP: | | XOR: | | XAL: | | SML: | | SMT: | | BUJ: | | SMZ: | | PSU: | | PSD: | | FAU: | | VCH: | | VCJ: | | VCO: | | VCM: | | VVU: | | VVY: | | VVM: | | VPA: | | VHA: | | VSP: | | VEX: | | VFI: | | VFM: | | VSA: | | PPR: | | VAN: | | PPU: | | PPF: | | PFL: | | PFS: | | PEN: | | AVN: | | SON: | | SDN: | | SFR: | | SAZ: | | SBL: | | SBM: | | SBN: | | SBP: | | SBT: | | SBS: | | SBB: | | SLO: | | SPC: | | SHP: | | SSE: | | SPL: | | SHE: | | SHM: | | SHN: | | SHW: | | SHL: | | SWD: | | SWP: | | SVO: | | ILO: | | CPS: | | PHA: | | PAT: | | PSM: | | MAQ: | | PIN: | | FBL: | | NOC: | | AEH: | | KKO: | | MMW: | | AHA: | | ASA: | | AVR: | | TAU: | | OCE: | | BCI: | | NMA: | | NME: | | CVI: | | RSO: | | BPM: | | BTE: | | BAM: | | VEI: | | TMZ: | | DSU: | | HHE: | | ABU: | | ANT: | | GUR: | | GLO: | | GEO: | | PPD: | | DOL: | | ADE: | | ACP: | | AFW: | | ANK: | | MXA: | | SCL: | | HOH: | | SFU: | | SME: | | RET: | | NWI: | | NHA: | | MEX: | | MEA: | | MDI: | | MCH: | | MRD: | | MET: | | MPO: | | MNO: | | MSL: | | RVA: | | BSB: | | AEX: | | SIT: | | RSP: | | RSQ: | | JAN: | | PDE: | | DSH: | | MMR: | | NAR: | | SAL: | | SWI: | | ACR: | | RRU: | | RCE: | | AZL: | | PBR: | | BSU: | | BSR: | | BSS: | | BST: | | BSN: | | BLI: | | BLD: | | BAO: | | BAY: | | BAQ: | | BYA: | | BAZ: | | BQL: | | BXH: | | BQY: | | BAE: | | BHA: | | BAN: | | BAR: | | BAT: | | BAH: | | BAI: | | BAX: | | BCE: | | BCA: | | BCZ: | | BCR: | | BCB: | | BCU: | | BCG: | | BCQ: | | BCX: | | BNC: | | BCF: | | BCY: | | BTK: | | BTL: | | BTB: | | BTC: | | BTF: | | BWE: | | BCL: | | BPU: | | BPF: | | BMQ: | | BMD: | | BSE: | | BCO: | | BCK: | | BAG: | | BJS: | | OIH: | | GKA: | | GTN: | | GTH: | | GTE: | | GWC: | | GYC: | | GYA: | | GCT: | | GMC: | | AFL: | | SAU: | | SAV: | | SAW: | | SAH: | | SAJ: | | SAM: | | SAS: | | SAR: | | SAC: | | SAX: | | SAA: | | SAE: | | SAD: | | SAB: | | SEP: | | SER: | | SHA: | | SSP: | | SCA: | | SSD: | | LMO: | | LMF: | | LMH: | | LMC: | | LMN: | | LMY: | | LMT: | | LMG: | | LMS: | | LMJ: | | LMQ: | | LML: | | LMP: | | LIN: | | LWE: | | LSG: | | LIV: | | LSP: | | HHD: | | BBE: | | PJD: | | GYM: | | PPY: | | PPM: | | AAC: | | BTS: | | SIV: | | LLA: | | LLK: | | LLT: | | LLM: | | LLR: | | LLN: | | SPN: | | SPD: | | SPR: | | SPW: | | SPX: | | SNE: | | SPV: | | SNM: | | SJJ: | | SPP: | | SNT: | | SNC: | | SNB: | | SNP: | | SNI: | | SNV: | | SNX: | | SMU: | | SMC: | | STC: | | STL: | | STE: | | STN: | | STU: | | STW: | | SSA: | | SSU: | | SSV: | | SSB: | | SSI: | | SSS: | | SST: | | SSF: | | SSK: | | SSQ: | | SSW: | | SUI: | | SUO: | | SRP: | | SGO: | | SGA: | | SGG: | | SGT: | | SMB: | | SOR: | | STB: | | SCP: | | SCF: | | SSR: | | STF: | | STD: | | SMN: | | SIF: | | LPL: | | LPJ: | | LPS: | | LFE: | | LBH: | | LME: | | LCI: | | LKI: | | LEC: | | AUR: | | CAC: | | CTH: | | CBE: | | CKL: | | AMT: | | STH: | | DSY: | | DHD: | | SGY: | | HMO: | | ELM: | | RHO: | | TMR: | | TTE: | | SSG: | | AFN: | | MTU: | | MTC: | | MRA: | | MTF: | | MTB: | | MBO: | | MBB: | | MBT: | | MLE: | | MLB: | | MPA: | | MAV: | | MSM: | | MUL: | | MVA: | | MGI: | | MSP: | | MAB: | | MMC: | | MKM: | | MJL: | | MMI: | | ASD: | | CGL: | | CGB: | | CGT: | | CEF: | | CJK: | | CAR: | | CKP: | | NFA: | | RHA: | | RER: | | ROP: | | REQ: | | GBR: | | TPR: | | SRT: | | SCO: | | SMA: | | SGR: | | SCB: | | SVL: | | LXX: | | CMI: | | CMS: | | MTS: | | ART: | | AAU: | | ACH: | | AAI: | | RSA: | | KRH: | | MLU: | | RMU: | | RDN: | | BCV: | | JDE: | | XCE: | | IVA: | | SKE: | | CFL: | | ICA: | | PFR: | | MPH: | | NCA: | | KFL: | | TFU: | | NDA: | | TCU: | | SRO: | | FRA: | | FRE: | | FRI: | | FAL: | | NML: | | GOB: | | KRA: | | SEN: | | SVI: | | TBI: | | AMD: | | PDX: | | AMI: | | STP: | | SAQ: | | MAU: | | MIL: | | VMA: | | CAI: | | SNA: | | BLO: | | BLJ: | | BLN: | | BLF: | | BLL: | | BLB: | | BLM: | | BAD: | | BLA: | | BLC: | | BLT: | | BDE: | | BBI: | | BBP: | | RXY: | | LIL: | | LIC: | | LBJ: | | LBL: | | ABA: | | SUS: | | CTM: | | SRU: | | RMR: | | PHE: | | PSN: | | HHY: | | CMR: | | DFE: | | SLI: | | RSI: | | FNU: | | IPO: | | OTE: | | CAA: | | GAU: | | RBA: | | PSL: | | PLM: | | TLI: | | SYW: | | SYD: | | SYE: | | SYG: | | SYX: | | CYN: | | PMA: | | PMM: | | PMT: | | PMN: | | PMI: | | PMB: | | PMC: | | PMF: | | PMG: | | PMH: | | PMJ: | | PME: | | CPC: | | CCH: | | CPH: | | CLI: | | PVI: | | PLT: | | PPH: | | RRS: | | RCA: | | CAU: | | CAG: | | CHL: | | HAU: | | STI: | | CAP: | | DGE: | | TRA: | | MRB: | | MHD: | | TMA: | | TTR: | | HAL: | | HMA: | | HUT: | | TAC: | | TVO: | | PTO: | | PHO: | | PAB: | | PFU: | | TKO: | | APE: | | IHO: | | IAG: | | HBU: | | PFM: | | SSO: | | STO: | | SAI: | | SIS: | | SIA: | | SIM: | | SID: | | SIY: | | SIN: | | SII: | | MSE: | | PAI: | | PIS: | | PCL: | | PAS: | | CMA: | | TNE: | | VDI: | | ASC: | | KCR: | | » show all
 |
| Reference |
|
| Authors |
Flavin M, Slaughter C. |
| Title |
Enzymatic synthesis of homocysteine or methionine directly from O-succinyl-homoserine. |
| Journal |
Biochim. Biophys. Acta. 132 (1967) 400-5. |
| Organism |
Salmonella typhimurium |
| Reference |
|
| Authors |
Kaplan MM, Flavin M. |
| Title |
Cystathionine gamma-synthetase of Salmonella. Catalytic properties of a new enzyme in bacterial methionine biosynthesis. |
| Journal |
J. Biol. Chem. 241 (1966) 4463-71. |
| Organism |
Salmonella typhimurium, Escherichia coli [GN: eco] |
| Reference |
|
| Authors |
Wiebers JL, Garner HR. |
| Title |
Homocysteine and cysteine synthetases of Neurospora crassa. Purification, properties, and feedback control of activity. |
| Journal |
J. Biol. Chem. 242 (1967) 12-23. |
| Organism |
Neurospora crassa [GN: ncr] |
| Reference |
|
| Authors |
Wiebers JL, Garner HR. |
| Title |
Acyl derivatives of homoserine as substrates for homocysteine synthesis in Neurospora crassa, yeast, and Escherichia coli. |
| Journal |
J. Biol. Chem. 242 (1967) 5644-9. |
| Organism |
Escherichia coli [GN: eco], Neurospora crassa [GN: ncr] |
| Reference |
|
| Authors |
Clausen T, Huber R, Prade L, Wahl MC, Messerschmidt A. |
| Title |
Crystal structure of Escherichia coli cystathionine gamma-synthase at 1.5 A resolution. |
| Journal |
EMBO. J. 17 (1998) 6827-38. |
| Organism |
Escherichia coli [GN: eco] |
| Reference |
|
| Authors |
Ravanel S, Gakiere B, Job D, Douce R. |
| Title |
Cystathionine gamma-synthase from Arabidopsis thaliana: purification and biochemical characterization of the recombinant enzyme overexpressed in Escherichia coli. |
| Journal |
Biochem. J. 331 ( Pt 2) (1998) 639-48. |
| Organism |
Escherichia coli [GN: eco], Arabidopsis thaliana [GN: ath] |
| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: CAS: 9030-70-0 |