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物种
Human分子别名
Epididymis 4(HE4);WAP Four-Disulfide Core Domain Protein 2, Epididymal Secretory Protein E4, Major Epididymis-Specific Protein E4, Putative Protease Inhibitor WAP5, WFDC2, HE4, WAP5Accession
Q14508表达序列
EKTGVCPELQADQNCTQECVSDSECADNLKCCSAGCATFCSLPNDKEGSCPQVNINFPQLGLCRDQCQVDSQCPGQMKCCRNGCGKVSCVTPNFHHHHHH
表达宿主
HEK293分子量
major bands at 19 kDa and 22-26 kDa respectively which are due to post-translational modifications.
纯度
＞95%, by SDS-PAGE under reducing conditions内毒素含量
<2EU/μg标记
Unconjugated标签
His Tag性状
Lyophilized Powder缓冲体系
PBS, pH7.4
溶解方法
Reconstitute at less than 1 mg/mL according to the size in ultrapure 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.
Human epididymal protein 4 (HE4) belongs to the whey acidic 4-disulfide center (WFDC) protein family and has the characteristics of suspected trypsin inhibitors. Mature human HE4 contains 94 amino acids (aa) and consists of two core structures: a natural N-terminal glycosylated protein of about 25KDa and two core regions of whey acidic protein (WAP, which consists of four disulfide core regions and eight cysteine residues). WFDC2 / HE4 can undergo a series of complex alternative splicing events and may produce five different protein subtypes containing WAP domains. It is expressed in many normal tissues, including the male reproductive system, respiratory region and nasopharynx. It is highly expressed in ovarian, colon, breast, lung, kidney and other tumor cell lines.
电泳
Epididymis protein 4(HE4) His Tag, Human ，3 μg on SDS-PAGE under reducing and condition. The purity is greater than 95%.
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