Neuraminic AcidsCytidineSialic AcidsNeuraminidaseN-Acetylneuraminic AcidCytidine DeaminaseHexosaminesG(M3) GangliosideGangliosidesSpectrometry, Mass, Fast Atom BombardmentChromatography, Thin LayerCarbohydratesCytidine Monophosphate N-Acetylneuraminic AcidEchinodermataCarbohydrate SequenceSialyltransferasesOxo-Acid-LyasesCarbohydrate ConformationLectinsCytidine MonophosphateChromatography, GelChromatography, PaperMagnetic Resonance SpectroscopyGlycopeptidesOligosaccharidesErythrocytesGlycoproteinsMolecular Sequence DataCytidine TriphosphateCytosine Nucleotides