نتایج جستجو برای: beta lactoglobulin
تعداد نتایج: 188220 فیلتر نتایج به سال:
High-intensity, "pink" beam from an undulator was used in conjunction with microfabricated rapid-fluid mixing devices to monitor the early events in protein folding with time resolved small angle x-ray scattering. This Letter describes recent work on the protein bovine beta-lactoglobulin where collapse from an expanded to a compact set of states was directly observed on the millisecond time sca...
Capillary zone electrophoresis and carrier ampholytes based capillary electrophoresis have been used as a second separation step to Off-Gel isoelectric focusing for the analysis of complex peptide mixtures. A tryptic digest of four proteins (bovine serum albumin, beta-lactoglobulin, horse myoglobin, cytochrome c) has been chosen as a peptide test mixture. After assessment of different modes of ...
Bio-orthogonal chemistry has been widely used for conjugation of polymer molecules to proteins. Here, we demonstrate the conjugation of polyethylene glycol (PEG) to bovine beta-lactoglobulin (BLG) by photo-induced cyclo-addition of tetrazole-appended PEG and allyl-modified BLG. During the course of the investigation, a significant side-reaction was found to occur for the conjugation of PEG-tetr...
Surface hydrophobicity has recently been emphasized as an important parameter for functional correlation of proteins. However, evaluations of the parameter by different experimental techniques often do not correlate well with each other. In this paper we have compared surface hydrophobicity of a basic protein with those of beta-lactoglobulin, ovalbumin and lysozyme by fluorescence probe method ...
RNA from bound polysomers of lactating ewe's mammary gland directs the synthesis of the three major milk proteins (alphas, beta and kappa-caseins) in a cell-free system derived from rabbit reticuyocytes. The "in vitro" product was identified by immunoprecipitation with specific antibodies and by electrophoresis in SDS polyacrylamide gel. Each of these messengers was purified from 20 to 25 fold ...
Heat treatment of milk causes the heat-denaturable whey proteins to aggregate with kappa-casein (kappa-CN) via thiol-disulfide bond interchange reactions. The particular disulfide bonds that are important in the aggregates are uncertain, although Cys(121) of beta-lactoglobulin (beta-LG) has been implicated. The reaction at 60 degrees C between beta-LG A and an activated kappa-CN formed small di...
as 'goat lactoglobulin' gave a single peak on electrophoresis at pH 8.0 in barbiturate buffer, but three boundaries separated at pH 7-0 and at least two at pH 4-2-6-0 after 2 hr. at 4-5 v/cm., I= 01. The two main components had their isoelectric points at pH 5-2 and 5-9 respectively in sodium acetate buffer, I= 0-1. 'Goat lactoglobulin' thus behaved in much the same way as crystalline bovine ,B...
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