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Immunogen sequence: QQQEELEAEH GTGDKPAAPR ERTTRLGPRM PQDGSDDEDE EWPTLEKAAT MTAAGHHAEV VVDPEDERAI EMFMNKNPPA R
Highest antigen sequence identity to the following orthologs: Mouse - 78%, Rat - 83%.
Bystin is expressed as a 2-kb major transcript and a 3.6-kb minor transcript in SNG-M cells and in human trophoblastic teratocarcinoma HT-H cells. Protein binding assays determined that bystin binds directly to trophinin and tastin, and that binding is enhanced when cytokeratins 8 and 18 are present. Immunocytochemistry of HT-H cells showed that bystin colocalizes with trophinin, tastin, and the cytokeratins, suggesting that these molecules form a complex in trophectoderm cells at the time of implantation. Using immunohistochemistry it was determined that trophinin and bystin are found in the placenta from the sixth week of pregnancy. Both proteins were localized in the cytoplasm of the syncytiotrophoblast in the chorionic villi and in endometrial decidual cells at the uteroplacental interface. After week 10, the levels of trophinin, tastin, and bystin decreased and then disappeared from placental villi.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: by the ribosomal protein s6 gene, drosophila, homolog-like; Bystin; bystin-like
基因别名: BYSL; BYSTIN; ENP1
UniProt ID: (Human) Q13895
Entrez Gene ID: (Human) 705