Molecular WeightElectrophoresis, Polyacrylamide GelMacromolecular SubstancesKineticsAmino Acid SequenceBody WeightWeight LossWeight GainBirth WeightChromatography, GelAmino AcidsMolecular Sequence DataIsoelectric PointHydrogen-Ion ConcentrationImmunodiffusionHeparin, Low-Molecular-WeightCattleChromatographyChromatography, Ion ExchangeKininogensCentrifugation, Density GradientFetal WeightUltracentrifugationIsoelectric FocusingChromatography, DEAE-CelluloseChromatography, AffinityInfant, Low Birth WeightBase SequenceEscherichia coliObesityChemistryElectrophoresis, DiscChemical PhenomenaSubstrate SpecificityCloning, MolecularRabbitsLiverGlycoproteins