| ULS00360 | 1,3-diaminopropane from L-aspartate 4-semialdehyde | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | MUER1 | Meta-UER 1~1 L-aspartate 4-semialdehyde + 1 L-glutamate => 1 2-oxoglutarate + 1 L-2,4-diaminobutanoate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00732 | 1,3-diaminopropane from L-aspartate 4-semialdehyde: step 2/2~1 L-2,4-diaminobutanoate => 1 1,3-diaminopropane + 1 CO(2). | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UPA00010 | 1,3-diaminopropane biosynthesis~Biosynthesis of polyamine 1,3-diaminopropane (trimethylenediamine, 1,3-propanediamine, DAP). | None - {{∅}} | None - {{∅}} | Unexplained |  |