Thermospermine synthase
| Thermospermine synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.5.1.79 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Thermospermine synthase (EC 2.5.1.79, TSPMS, ACL5, SAC51) is an enzyme with system name S-adenosylmethioninamine:spermidine 3-aminopropyltransferase (thermospermine synthesizing).[1][2][3] This enzyme catalyses the following chemical reaction
- S-adenosylmethioninamine + spermidine
S-methyl-5'-thioadenosine + thermospermine + H+
This enzyme is required for correct xylem specification through regulation of the lifetime of the xylem elements.
References
- ↑ Romer, P., Faltermeier, A., Mertins, V., Gedrange, T., Mai, R. and Proff, P. (2008). "Investigations about N-aminopropyl transferases probably involved in biomineralization". J. Physiol. Pharmacol. 59 Suppl 5: 27–37. PMID 19075322.
- ↑ Knott, J.M., Romer, P. and Sumper, M. (2007). "Putative spermine synthases from Thalassiosira pseudonana and Arabidopsis thaliana synthesize thermospermine rather than spermine". FEBS Lett. 581 (16): 3081–3086. doi:10.1016/j.febslet.2007.05.074. PMID 17560575.
- ↑ Muniz, L., Minguet, E.G., Singh, S.K., Pesquet, E., Vera-Sirera, F., Moreau-Courtois, C.L., Carbonell, J., Blazquez, M.A. and Tuominen, H. (2008). "ACAULIS5 controls Arabidopsis xylem specification through the prevention of premature cell death". Development 135 (15): 2573–2582. doi:10.1242/dev.019349. PMID 18599510.
External links
- Thermospermine synthase at the US National Library of Medicine Medical Subject Headings (MeSH)