BetaineLipotropic AgentsSarcosineCholineBetaine-Homocysteine S-MethyltransferaseOsmotic PressureWater-Electrolyte BalanceProlineMolecular Sequence DataBiological ProductsOsmolar ConcentrationSodium ChlorideHomocysteineMethionineHomocystinuriaBase SequenceAmino Acid SequenceBacterial ProteinsEscherichia coliAmino Acids, DiaminoKinetics