| ULS00201 | glycine from glyoxylate | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00504 | glycine from L-serine | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UER00427 | glycine from L-allo-threonine: step 1/1~1 L-allo-threonine => 1 acetaldehyde + 1 glycine. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-3-UPA00288 |  | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00200 | glycine from L-allo-threonine | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00428 | glycine from glyoxylate: step 1/1~1 L-alanine + 1 glyoxylate => 1 glycine + 1 pyruvate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER01023 | glycine from L-serine: step 1/1~1 5,6,7,8-tetrahydrofolate + 1 L-serine => 1 5,10-methylene-THF + 1 H(2)O + 1 glycine. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | VariantPath-1-UPA00288 |  | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-2-UPA00288 |  | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UPA00288 | glycine biosynthesis~Biosynthesis of glycine amino-acid. | True - {{t}} | True - {{t}} | Confirmed presence |  |