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物种
Human分子别名
WAP four-disulfide core domain protein 2, Epididymal secretory protein E4, Major epididymis-specific protein E4, Putative protease inhibitor WAP5, WFDC2Accession
Q14508表达序列
Protein sequence (Q14508, Glu31-Phe124, with C-His Tag) EKTGVCPELQADQNCTQECVSDSECADNLKCCSAGCATFCSLPNDKEGSCPQVNINFPQLGLCRDQCQVDSQCPGQMKCCRNGCGKVSCVTPNF
分子量
Predicted MW: 11.7 kDa Observed MW: 15, 20-24 kDa纯度
>95% by SDS-PAGE内毒素含量
<1EU/μg标记
Unconjugated性状
Lyophilized Powder缓冲体系
Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4 with 3% trehalose.
溶解方法
Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation.储存条件
12 months from date of receipt, -20 to -70 °C as supplied.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
1 week, 2 to 8 °C under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles.
HE4 (human epididymis protein 4) is a new tumor marker for ovarian cancer, and the incidence of ovarian cancer ranks third among the three gynecological malignancies. Early diagnosis is crucial to the cure rate of ovarian cancer. Normally, HE4 is expressed at very low levels in humans, but it can be very high in the tissues and serum of ovarian cancer patients and has a high sensitivity for ovarian cancer detection, especially in the early asymptomatic stage.This product is the recombinant human HE4 protein expressed from human 293 cells (HEK293).
电泳
1μg(R: reducing conditions)







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