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Klotho human

品牌
Sigma-Aldrich
货号
SRP3102
规格纯度
recombinant, expressed in CHO cells, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
价格
4749.45 *本价格含增值税费
促销
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数量
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半岛bd体育手机客户端 名称:
Klotho human
KLA
半岛bd体育手机客户端 介绍:

半岛bd体育手机客户端 说明

一般描述

Klotho (KL) is a glycosylated protein that plays an important role in the regulation of phosphate and calcium homeostasis. Human Klotho exists in both membrane bound and secreted forms, and is predominantly expressed in the kidney convoluted tubules, and to a lesser extent, in the brain, reproductive organs, endocrine glands, urinary bladder, skeletal muscle, placenta, and colon. The full length transmembrane form has a large extracellular domain composed of two homologous subunits termed KL1 and KL2, which contain 516 and 439 amino acid residues, respectively, The predominant circulating form, which is derived from alternative RNA splicing, contains the KL1 subunit and constitutes the N-terminal sequence of transmembrane Klotho. A third Klotho protein of about 128kDa has been identified in the blood and cerebrospinal fluid. This circulating protein arises from the action of an as yet unidentified protease which cleaves transmembrane Klotho just above and/or within the plasma membrane. Recombinant human Klotho is a 65-70kDa glycoprotein containing 516 amino acid residues.

应用

Klotho human has been used to study the role of klotho in liver cancer.

生化/生理作用

Klotho has been shown to play a key role in the signaling cascade of fibroblast growth factor-23 (FGF-23), a bone derived hormone that acts in the kidney to inhibit phosphate reabsorption and vitamin D biosynthesis. Klotho promotes FGF-23 signaling through binding to FGFRI (IIIc) which converts this canonical FGF receptor into a specific receptor for FGF-23. In the absence of klotho the function of FGF-23 is literally abolished. Klotho might play a protective role in type 1 diabetes mellitus against atherosclerosis and endothelial dysfunction. Absence of klotho in mice causes age-associated traits, such as short lifespan, atherosclerosis, pulmonary emphysema and osteoporosis. It is also involved in cervical, lung and breast cancer. In follicular thyroid cancer, it suppresses growth and enhances cell death by controlling the expression of stanniocalcin-1.

序列

EPGDGAQTWA RFSRPPAPEA AGLFQGTFPD GFLWAVGSAA YQTEGGWQQH GKGASIWDTF THHPLAPPGD SRNASLPLGA PSPLQPATGD VASDSYNNVF RDTEALRELG VTHYRFSISW ARVLPNGSAG VPNREGLRYY RRLLERLREL GVQPVVTLYH WDLPQRLQDA YGGWANRALA DHFRDYAELC FRHFGGQVKY WITIDNPYVV AWHGYATGRL APGIRGSPRL GYLVAHNLLL AHAKVWHLYN TSFRPTQGGQ VSIALSSHWI NPRRMTDHSI KECQKSLDFV LGWFAKPVFI DGDYPESMKN NLSSILPDFT ESEKKFIKGT ADFFALCFGP TLSFQLLDPH MKFRQLESPN LRQLLSWIDL EFNHPQIFIV ENGWFVSGTT KRDDAKYMYY LKKFIMETLK AIKLDGVDVI GYTAWSLMDG FEWHRGYSIR RGLFYVDFLS QDKMLLPKSS ALFYQKLIEK NGFPPLPENQ PLEGTFPCDF AWGVVDNYIQ VSQLTKPISS LTKPYH

外形

Lyophilized from 15 mM Sodium Phosphate pH 7.3.

重悬

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1- 1.0 mg/ml. Do not vortex. This solution can be stored at 2-8℃ for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20℃ to -80℃.

基本信息

NACRES NA.32

半岛bd体育手机客户端 性质

生物来源 human
重组 expressed in CHO cells
测定 ≥98% (HPLC)
≥98% (SDS-PAGE)
形式 lyophilized
分子量 65-70 kDa
包装 pkg of 20 μg
technique(s) cell culture | mammalian: suitable
杂质 <0.1 EU/μg endotoxin, tested
颜色 white to off-white
UniProt登记号 Q9UEF7
运输 wet ice
储存温度 ?20℃
Gene Information human ... KL(9365)

安全信息

储存分类代码 13 - Non Combustible Solids
WGK WGK 3
闪点(F) Not applicable
闪点(C) Not applicable

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