例如:"lncRNA", "apoptosis", "WRKY"

Sequence and peptide map of guinea pig aquaporin 0.

Mol. Vis.2004 Mar 26;10:215-22
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摘要


PURPOSE:Hyperbaric oxygen-treated guinea pigs serve as a useful animal model of nuclear cataract. To understand the structure and function of major intrinsic proteins in this model, the primary sequence and major posttranslational modifications to guinea pig aquaporin 0 (AQP0) were determined. METHODS:The cDNA encoding guinea pig AQP0 was amplified by PCR, cloned and sequenced. After protein enrichment from guinea pig lens tissue, the protein sequence and the posttranslational modifications to AQP0 were determined by using combined chemical cleavage, trypsin and pepsin digestion with matrix assisted laser desorption/ionization mass spectrometry or capillary liquid chromatography tandem mass spectrometry. RESULTS:The primary structure of AQP0 was determined from the DNA sequence and the translated sequence confirmed by mass spectrometry. Serine 235 was identified to be the major phosphorylation site. CONCLUSIONS:Significant sequence homology was observed between species including putative regulatory sites of phosphorylation and pH regulation. These data form a foundation of information from which to begin assessing posttranslational modifications in cataract models.

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基因功能


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图表


原始数据


 保存测序数据
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