| EC Tree |
| 2. Transferases |
| 2.5 Transferring alkyl or aryl groups, other than methyl groups |
| 2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date) |
| ID: | 2.5.1.45 |
|---|---|
| Description: | Homospermidine synthase (spermidine-specific). |
| Cath: | 3.30.360.30; 3.40.50.720; |
Click one PDB to see exact 3D structure provided by NGL.
Note: Use your mouse to drag, rotate, and zoom in and out of the structure. Mouse-over to identify atoms and bonds. Mouse controls documentation.| UniProtKB Enzyme Link: | UniProtKB 2.5.1.45 |
| BRENDA Enzyme Link: | BRENDA 2.5.1.45 |
| KEGG Enzyme Link: | KEGG2.5.1.45 |
| BioCyc Enzyme Link: | BioCyc 2.5.1.45 |
| ExPASy Enzyme Link: | ExPASy2.5.1.45 |
| EC2PDB Enzyme Link: | EC2PDB 2.5.1.45 |
| ExplorEnz Enzyme Link: | ExplorEnz 2.5.1.45 |
| PRIAM enzyme-specific profiles Link: | PRIAM 2.5.1.45 |
| IntEnz Enzyme Link: | IntEnz 2.5.1.45 |
| MEDLINE Enzyme Link: | MEDLINE 2.5.1.45 |
| RHEA:11236 | putrescine + spermidine = propane-1,3-diamine + sym-homospermidine |
| RULE(radius=1) | [*:1]-[NH2;+0:2].[*:3]-[NH;+0:4]-[CH2;+0:5]-[*:6]>>[*:3]-[NH2;+0:4].[*:1]-[NH;+0:2]-[CH2;+0:5]-[*:6] |
| Reaction | ![]() |
| Core-to-Core | No scaffolds atoms were exchanged as a result of the reaction |
| Title | Authors | Date | PubMed ID |
|---|---|---|---|
| Homospermidine synthase, the first pathway-specific enzyme of pyrrolizidine alkaloid biosynthesis, evolved from deoxyhypusine synthase. | Ober D, Hartmann T | 1999 Dec 21 | 10611289 |