node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
metA | metB | b4013 | b3939 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | 0.997 |
metA | metE | b4013 | b3829 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | 0.912 |
metA | metF | b4013 | b3941 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | 5,10-methylenetetrahydrofolate reductase; Methylenetetrahydrofolate reductase required to generate the methyl groups necessary for methionine synthetase to convert homocysteine to methionine. | 0.996 |
metA | metH | b4013 | b4019 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | homocysteine-N5-methyltetrahydrofolate transmethylase, B12-dependent; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 0.840 |
metA | metJ | b4013 | b3938 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | Transcriptional repressor, S-adenosylmethionine-binding; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis. It is also autoregulated. | 0.863 |
metA | metK | b4013 | b2942 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. Is essential for growth. | 0.886 |
metA | metL | b4013 | b3940 | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | Bifunctional aspartokinase/homoserine dehydrogenase 2; Aspartokinase II and homoserine dehydrogenase II; Protein involved in methionine biosynthetic process and homoserine biosynthetic process. | 0.977 |
metB | metA | b3939 | b4013 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | 0.997 |
metB | metE | b3939 | b3829 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | 0.994 |
metB | metF | b3939 | b3941 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | 5,10-methylenetetrahydrofolate reductase; Methylenetetrahydrofolate reductase required to generate the methyl groups necessary for methionine synthetase to convert homocysteine to methionine. | 0.999 |
metB | metH | b3939 | b4019 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | homocysteine-N5-methyltetrahydrofolate transmethylase, B12-dependent; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 0.984 |
metB | metJ | b3939 | b3938 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | Transcriptional repressor, S-adenosylmethionine-binding; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis. It is also autoregulated. | 0.983 |
metB | metK | b3939 | b2942 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. Is essential for growth. | 0.894 |
metB | metL | b3939 | b3940 | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | Bifunctional aspartokinase/homoserine dehydrogenase 2; Aspartokinase II and homoserine dehydrogenase II; Protein involved in methionine biosynthetic process and homoserine biosynthetic process. | 0.999 |
metE | metA | b3829 | b4013 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | Homoserine O-transsuccinylase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine. Utilizes a ping-pong kinetic mechanism in which the succinyl group of succinyl-CoA is initially transferred to the enzyme to form a succinyl-enzyme intermediate before subsequent transfer to homoserine to form the final product, O- succinylhomoserine. Cannot use acetyl-CoA. Belongs to the MetA family. | 0.912 |
metE | metB | b3829 | b3939 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. | 0.994 |
metE | metF | b3829 | b3941 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | 5,10-methylenetetrahydrofolate reductase; Methylenetetrahydrofolate reductase required to generate the methyl groups necessary for methionine synthetase to convert homocysteine to methionine. | 0.997 |
metE | metH | b3829 | b4019 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | homocysteine-N5-methyltetrahydrofolate transmethylase, B12-dependent; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 0.997 |
metE | metJ | b3829 | b3938 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | Transcriptional repressor, S-adenosylmethionine-binding; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis. It is also autoregulated. | 0.831 |
metE | metK | b3829 | b2942 | 5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation. | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. Is essential for growth. | 0.996 |