Enzymes
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- Name help_outline N-methylethanolamine phosphate Identifier CHEBI:57781 Charge -1 Formula C3H9NO4P InChIKeyhelp_outline HZDCAHRLLXEQFY-UHFFFAOYSA-M SMILEShelp_outline C[NH2+]CCOP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 3 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline CTP Identifier CHEBI:37563 (Beilstein: 4732530) help_outline Charge -4 Formula C9H12N3O14P3 InChIKeyhelp_outline PCDQPRRSZKQHHS-XVFCMESISA-J SMILEShelp_outline Nc1ccn([C@@H]2O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]2O)c(=O)n1 2D coordinates Mol file for the small molecule Search links Involved in 86 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,932 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline CDP-N-methylethanolamine Identifier CHEBI:57547 Charge -1 Formula C12H21N4O11P2 InChIKeyhelp_outline RSPRLQAZJOAGFP-QCNRFFRDSA-M SMILEShelp_outline C[NH2+]CCOP([O-])(=O)OP([O-])(=O)OC[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1ccc(N)nc1=O 2D coordinates Mol file for the small molecule Search links Involved in 2 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline diphosphate Identifier CHEBI:33019 (Beilstein: 185088) help_outline Charge -3 Formula HO7P2 InChIKeyhelp_outline XPPKVPWEQAFLFU-UHFFFAOYSA-K SMILEShelp_outline OP([O-])(=O)OP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 1,188 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:10576 | RHEA:10577 | RHEA:10578 | RHEA:10579 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Enzymes of phosphatidylcholine synthesis in lemna, soybean, and carrot.
Datko A.H., Mudd S.H.
Cell-free extracts from Lemna and suspension cultured carrot (Daucus Carota L.) catalyze S-adenosylmethionine-dependent N-methylations of phosphoethanolamine, phosphomethylethanolamine, and phosphodimethylethanolamine; extracts of suspension cultured soybean (Glycine max), of phosphoethanolamine o ... >> More
Cell-free extracts from Lemna and suspension cultured carrot (Daucus Carota L.) catalyze S-adenosylmethionine-dependent N-methylations of phosphoethanolamine, phosphomethylethanolamine, and phosphodimethylethanolamine; extracts of suspension cultured soybean (Glycine max), of phosphoethanolamine only. Material pelleted from each tissue between 15,000 and 100,000g catalyzes S-adenosylmethionine-dependent N-methylations of phosphatidylmethylethanolamine and phosphatidyl-dimethylethanolamine, but not phosphatidylethanolamine. Extracts from each tissue catalyze CTP-dependent cytidylyltransfers to each of the three methylated phosphoethanolamine derivatives, forming the corresponding CDP derivatives. Some of the properties of the activities investigated are reported. On the basis of in vivo labeling experiments, we have proposed (AH Datko, SH Mudd 1988 Plant Physiol 88: 854-861) differing pathways for phosphatidylcholine synthesis in which, after a common committing step, N-methylation of phosphoethanolamine, subsequent methylations occur in Lemna almost exclusively at the phospho-base level; in soybean, at the phosphatidyl-base level; and in carrot, at both levels. Thus, among the activities investigated, at least those required for the operation of the proposed pathways have been positively demonstrated. The extent to which the present results explain the differences between these pathways is discussed, and a speculation offered as to how these differences may have arisen phylogenetically. << Less
Plant Physiol 88:1338-1348(1988) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.