| Entry |
|
| Name |
bacteriochlorophyll a synthase;
bchG (gene name)
|
| 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 |
geranylgeranyl-diphosphate:bacteriochlorophyllide-a geranylgeranytransferase
|
| Reaction(IUBMB) |
geranylgeranyl diphosphate + bacteriochlorophyllide a = geranylgeranyl-bacteriochlorophyllide a + diphosphate [RN: R11514]
|
| Reaction(KEGG) |
|
| Substrate |
geranylgeranyl diphosphate [CPD: C00353];
bacteriochlorophyllide a [CPD: C18155]
|
| Product |
geranylgeranyl bacteriochlorophyllide a [CPD: C21217];
diphosphate [CPD: C00013]
|
| Comment |
The enzyme catalyses the addition of a geranylgeranyl hydrophobic chain to bacteriochlorophyllide a via an ester bond with the 17-propionate residue. The side chain is later modified to a phytyl chain, resulting in bacteriochlorophyll a.
|
| History |
EC 2.5.1.133 created 2016
|
| Pathway |
| Porphyrin and chlorophyll metabolism | | Biosynthesis of secondary metabolites |
|
| Orthology |
| chlorophyll/bacteriochlorophyll a synthase |
|
| Genes |
ATH: | | ALY: | | CRB: | | EUS: | | BRP: | | BNA: | | THJ: | | CIT: | | CIC: | | TCC: | | GRA: | | GHI: | | EGR: | | GMX: | | PVU: | | VRA: | | VAR: | | CCAJ: | | MTR: | | CAM: | | ADU: | | AIP: | | LJA: | | LANG: | | FVE: | | PPER: | | PMUM: | | MDM: | | PXB: | | ZJU: | | CSV: | | CMO: | | RCU: | | JCU: | | POP: | | VVI: | | SLY: | | SPEN: | | SOT: | | INI: | | SIND: | | BVG: | | NNU: | | OSA: | | DOSA: | | OBR: | | BDI: | | ATS: | | ZMA: | | SITA: | | PDA: | | EGU: | | MUS: | | ATR: | | SMO: | | PPP: | | CRE: | | VCN: | | OLU: | | BPG: | | MIS: | | MPP: | | CSL: | | CVR: | | APRO: | | CME: | | GSL: | | CCP: | | SMIN: | | PTI: | | FCY: | | TPS: | | AAF: | | EHX: | | GTT: | | ALV: | | TVI: | | TMB: | | MPUR: | | HHA: | | HHC: | | EBS: | | PDQ: | | RAC: | | LIM: | | LIH: | | HYR: | | RGE: | | RBN: | | RDP: | | METR: | | BEB: | | SCL: | | SCU: | | AGC: | | BRA: | | BBT: | | BRS: | | AOL: | | RPA: | | RPB: | | RPC: | | RPD: | | RPE: | | RPT: | | RPX: | | BOS: | | MEX: | | MEA: | | MDI: | | MCH: | | MRD: | | MET: | | MPO: | | MOR: | | META: | | MAQU: | | MSL: | | RVA: | | BVR: | | BSB: | | BRL: | | RSP: | | RSH: | | RSQ: | | RSK: | | RCP: | | JAN: | | RDE: | | RLI: | | DSH: | | RED: | | PTP: | | RSU: | | RHM: | | RHC: | | SUAM: | | TOM: | | RMM: | | LVS: | | HBC: | | SPHI: | | SSAN: | | CIJ: | | BLAS: | | ELQ: | | PNS: | | PORL: | | AMV: | | RRU: | | RRF: | | RCE: | | RPM: | | HMO: | | SBH: | | KFL: | | SYN: | | SYZ: | | SYY: | | SYT: | | SYS: | | SYQ: | | SYJ: | | SYW: | | SYC: | | SYF: | | SYD: | | SYE: | | SYG: | | SYR: | | SYX: | | SYP: | | CYA: | | CYB: | | SYNE: | | SYNP: | | SYNK: | | SYNR: | | SYND: | | SYU: | | SYH: | | SYNW: | | TEL: | | THN: | | CGC: | | CYI: | | DSL: | | CMP: | | LEP: | | LEN: | | LET: | | LBO: | | PSEU: | | PMA: | | PMM: | | PMT: | | PMN: | | PMI: | | PMB: | | PMC: | | PMF: | | PMG: | | PMH: | | PMJ: | | PME: | | PRC: | | PRM: | | AMR: | | MAR: | | MPK: | | CAN: | | CSN: | | HAO: | | CYU: | | GLP: | | GEN: | | GEE: | | CYT: | | CYP: | | CYC: | | CYN: | | CYH: | | CYJ: | | TER: | | MIC: | | ARP: | | GEI: | | OAC: | | ONI: | | MPRO: | | CEP: | | GVI: | | GLJ: | | ANA: | | NPU: | | NOS: | | NOP: | | NON: | | AVA: | | ANB: | | ACY: | | AWA: | | NAZ: | | CSG: | | CALO: | | CALT: | | CALH: | | RIV: | | FIS: | | CTHE: | | PLP: | | SCS: | | RRS: | | RCA: | | CAU: | | CAG: | | CHL: | | CTM: | | GPH: | | CTE: | | CPC: | | CLZ: | | CCH: | | CPH: | | CPB: | | CLI: | | PVI: | | PLT: | | PPH: | | PAA: | | PROC: | | PRS: | | CTS: | | CABY: | | » show all
 |
| Reference |
|
| Authors |
Oster U, Bauer CE, Rudiger W. |
| Title |
Characterization of chlorophyll a and bacteriochlorophyll a synthases by heterologous expression in Escherichia coli. |
| Journal |
J. Biol. Chem. 272 (1997) 9671-6. |
| Reference |
|
| Authors |
Addlesee HA, Fiedor L, Hunter CN. |
| Title |
Physical mapping of bchG, orf427, and orf177 in the photosynthesis gene cluster of Rhodobacter sphaeroides: functional assignment of the bacteriochlorophyll synthetase gene. |
| Journal |
J. Bacteriol. 182 (2000) 3175-82. |
| Sequence |
|
| Reference |
|
| Authors |
Garcia-Gil LJ, Gich FB, Fuentes-Garcia X |
| Title |
A comparative study of bchG from green photosynthetic bacteria. |
| Journal |
Arch. Microbiol. 179 (2003) 108-15. |
| Reference |
|
| Authors |
Saga Y, Hirota K, Harada J, Tamiaki H |
| Title |
In Vitro Enzymatic Activities of Bacteriochlorophyll a Synthase Derived from the Green Sulfur Photosynthetic Bacterium Chlorobaculum tepidum. |
| Journal |
Biochemistry. 54 (2015) 4998-5005. |
| Sequence |
|
| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: |