| ULS00083 | L-cysteine from L-serine | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | VariantPath-1-UPA00136 |  | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00202 | L-cysteine from L-homocysteine and L-serine: step 2/2~1 H(2)O + 1 L-cystathionine => 1 2-oxobutanoate + 1 L-cysteine + 1 NH(3). | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-2-UPA00136 |  | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UER00199 | L-cysteine from L-serine: step 1/2~1 L-serine + 1 acetyl-CoA => 1 CoA + 1 O-acetyl-L-serine. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UER00200 | L-cysteine from L-serine: step 2/2~1 O-acetyl-L-serine + 1 hydrogen sulfide => 1 L-cysteine + 1 acetate. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UER00201 | L-cysteine from L-homocysteine and L-serine: step 1/2~1 L-homocysteine + 1 L-serine => 1 H(2)O + 1 L-cystathionine. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UPA00136 | L-cysteine biosynthesis~Biosynthesis of L-cysteine amino-acid. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | ULS00084 | L-cysteine from L-homocysteine and L-serine | None - {{∅}} | None - {{∅}} | Unexplained |  |