Pregnancy-specific beta-1-glycoprotein 9(PSG9) is a secreted protein and contains 3 Ig-like C2-type (immunoglobulin-like) domains, 1 Ig-like V-type (immunoglobulin-like) domain. It is a member of the PSG family, a group of closely related secreted glycoproteins that are highly expressed in fetal placental syncytiotrophoblast cells. The members of the PSG protein family all have a characteristic N-terminal domain that is homologous to the immunoglobulin variable region. PSGs become detectable in serum during the first two to three weeks of pregnancy and increase as the pregnancy progresses, eventually representing the most abundant fetal protein in the maternal blood at term. PSGs function to stimulate secretion of TH2-type cytokines from monocytes, and they may also modulate the maternal immune system during pregnancy, thereby protecting the semi-allotypic fetus from rejection. PSGs are commonly expressed in trophoblast tumors. Eleven human PSG proteins (PSG1-PSG11) have been described.
规格 | 价格/CNY | 货期 | 数量 | |
---|---|---|---|---|
10 μg | ¥ 1,170 | 5日内发货 | ||
50 μg | ¥ 3,470 | 5日内发货 | ||
500 μg | ¥ 13,200 | 5日内发货 | ||
1 mg | ¥ 18,900 | 5日内发货 |
产品描述 | Pregnancy-specific beta-1-glycoprotein 9(PSG9) is a secreted protein and contains 3 Ig-like C2-type (immunoglobulin-like) domains, 1 Ig-like V-type (immunoglobulin-like) domain. It is a member of the PSG family, a group of closely related secreted glycoproteins that are highly expressed in fetal placental syncytiotrophoblast cells. The members of the PSG protein family all have a characteristic N-terminal domain that is homologous to the immunoglobulin variable region. PSGs become detectable in serum during the first two to three weeks of pregnancy and increase as the pregnancy progresses, eventually representing the most abundant fetal protein in the maternal blood at term. PSGs function to stimulate secretion of TH2-type cytokines from monocytes, and they may also modulate the maternal immune system during pregnancy, thereby protecting the semi-allotypic fetus from rejection. PSGs are commonly expressed in trophoblast tumors. Eleven human PSG proteins (PSG1-PSG11) have been described. |
种属 | Human |
表达系统 | Human Cells |
标签 | C-6His |
蛋白编号 | AAH20759.1 |
别名 | PS-β-G-11, PS-β-G-9, PS-β-B, Pregnancy-specific β-1 glycoprotein B, Pregnancy-specific beta-1-glycoprotein 11, Pregnancy-specific β-1-glycoprotein 9, Pregnancy-specific glycoprotein, PS-beta-B, Pregnancy-specific β-1-glycoprotein 11, PSBG-11, PS34, PSBG-9, Pregnancy-specific glycoprotein 9, Pregnancy-specific beta-1 glycoprotein B, PS-beta-G-11, Pregnancy-specific beta-1-glycoprotein 9, PS-beta-G-9 |
氨基酸序列 | Glu35-Ser426 |
蛋白构建 | Recombinant Human Pregnancy-specific Beta-1-glycoprotein 9 is produced by our Mammalian expression system and the target gene encoding Glu35-Ser426 is expressed with a 6His tag at the C-terminus. |
蛋白纯度 | Greater than 95% as determined by reducing SDS-PAGE. (QC verified) |
分子量 | 65 KDa, reducing conditions |
内毒素 | Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
缓冲液 | Supplied as a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.2. |
存储 |
Store at ≤-70°C, stable for 6 months after receipt. Store at ≤-70°C, stable for 3 months under sterile conditions after opening. Please minimize freeze-thaw cycles. |
运输方式 |
The product is shipped on dry ice/polar packs. Upon receipt, store it immediately at the temperature listed below. |
研究背景 | Pregnancy-specific beta-1-glycoprotein 9(PSG9) is a secreted protein and contains 3 Ig-like C2-type (immunoglobulin-like) domains, 1 Ig-like V-type (immunoglobulin-like) domain. It is a member of the PSG family, a group of closely related secreted glycoproteins that are highly expressed in fetal placental syncytiotrophoblast cells. The members of the PSG protein family all have a characteristic N-terminal domain that is homologous to the immunoglobulin variable region. PSGs become detectable in serum during the first two to three weeks of pregnancy and increase as the pregnancy progresses, eventually representing the most abundant fetal protein in the maternal blood at term. PSGs function to stimulate secretion of TH2-type cytokines from monocytes, and they may also modulate the maternal immune system during pregnancy, thereby protecting the semi-allotypic fetus from rejection. PSGs are commonly expressed in trophoblast tumors. Eleven human PSG proteins (PSG1-PSG11) have been described. |
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PSG9 Protein, Human, Recombinant (His) PS-β-G-11 PS-b-G-9 PS-β-G-9 PS 34 PSBG 9 PS-β-B PS-b-G-11 Pregnancy-specific β-1 glycoprotein B PSBG 11 Pregnancy-specific beta-1-glycoprotein 11 Pregnancy-specific β-1-glycoprotein 9 PSBG11 Pregnancy-specific glycoprotein Pregnancy-specific b-1-glycoprotein 9 PS-beta-B Pregnancy-specific β-1-glycoprotein 11 PSBG-11 PS34 PSBG-9 PSBG9 PS-b-B PS-34 Pregnancy-specific b-1 glycoprotein B Pregnancy-specific glycoprotein 9 Pregnancy-specific b-1-glycoprotein 11 Pregnancy-specific beta-1 glycoprotein B PS-beta-G-11 Pregnancy-specific beta-1-glycoprotein 9 PS-beta-G-9 recombinant recombinant-proteins proteins protein