| ULS00447 | 
                    selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec) (bacterial route) | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     | 
                
                
                    | UER00897 | 
                    selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec) (archaeal/eukaryal route): step 1/2~1 ATP + 1 L-seryl-tRNA(Sec) => 1 ADP + 1 O-phosphoseryl-tRNA(Sec). | 
                    None - {{∅}} | 
                    None - {{∅}} | 
                    Unexplained | 
                     | 
                
                
                    | UER00896 | 
                    selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec) (bacterial route): step 1/1~1 L-seryl-tRNA(Sec) + 1 selenophosphate => 1 phosphate + 1 selenocysteinyl-tRNA(Sec). | 
                    True - {{t}} | 
                    True - {{t}} | 
                    Confirmed presence | 
                     | 
                
                
                    | UCR08223 | 
                    ATP + L-seryl-tRNA(Sec) = ADP + O-phosphoseryl-tRNA(Sec) | 
                    None - {{∅}} | 
                    None - {{∅}} | 
                    Unexplained | 
                     | 
                
                
                    | UPA00906 | 
                    selenocysteinyl-tRNA(Sec) biosynthesis~Biosynthesis of selenocysteinyl-tRNA(Sec). If the pathway for selenocysteine biosynthesis differs in bacteria from that present in eukaryotes and archaea; tRNA(Sec) remains a common factor for selenocysteine formation among the three kingdoms. | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     | 
                
                
                    | ULS00446 | 
                    selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec) (archaeal/eukaryal route) | 
                    None - {{∅}} | 
                    None - {{∅}} | 
                    Unexplained | 
                     | 
                
                
                    | VariantPath-2-UPA00906 | 
                     | 
                    None - {{∅}} | 
                    None - {{∅},{t}} | 
                    Unexplained | 
                     | 
                
                
                    | VariantPath-1-UPA00906 | 
                     | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     | 
                
                
                    | UCR08224 | 
                    H(2)O + O-phosphoseryl-tRNA(Sec) + selenophosphate = 2 phosphate + selenocysteinyl-tRNA(Sec) | 
                    None - {{∅}} | 
                    None - {{∅}} | 
                    Unexplained | 
                     | 
                
                
                    | UER00898 | 
                    selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec) (archaeal/eukaryal route): step 2/2~1 H(2)O + 1 O-phosphoseryl-tRNA(Sec) + 1 selenophosphate => 2 phosphate + 1 selenocysteinyl-tRNA(Sec). | 
                    None - {{∅}} | 
                    None - {{∅}} | 
                    Unexplained | 
                     | 
                
                
                    | ULS00445 | 
                    L-seryl-tRNA(Sec) from L-serine and tRNA(Sec) | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     | 
                
                
                    | UCR08218 | 
                    ATP + L-serine + tRNA(Sec) = AMP + L-seryl-tRNA(Sec) + diphosphate | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     | 
                
                
                    | UCR08219 | 
                    L-seryl-tRNA(Sec) + selenophosphate = phosphate + selenocysteinyl-tRNA(Sec) | 
                    True - {{t}} | 
                    True - {{t}} | 
                    Confirmed presence | 
                     | 
                
                
                    | UER00895 | 
                    L-seryl-tRNA(Sec) from L-serine and tRNA(Sec): step 1/1~1 ATP + 1 L-serine + 1 tRNA(Sec) => 1 AMP + 1 L-seryl-tRNA(Sec) + 1 diphosphate. | 
                    None - {{∅}} | 
                    True - {{t}} | 
                    Unconfirmed presence | 
                     |