产品名称
活性组织蛋白酶L 人, recombinant, expressed in FreeStyle™ 293-F cells, ≥90% (SDS-PAGE)
biological source
human
recombinant
expressed in FreeStyle™ 293-F cells
assay
≥90% (SDS-PAGE)
form
aqueous solution
specific activity
≥3900 pmol/min-μg
mol wt
36 kDa
technique(s)
inhibition assay: suitable
suitability
suitable for molecular biology
NCBI accession no.
application(s)
life science and biopharma
shipped in
dry ice
storage temp.
−70°C
Gene Information
human ... CTSL(1514)
Application
活性人组织蛋白酶L可用于激活DPP1(组织蛋白酶C)。活性人组织蛋白酶L已用于:
- 确定N-酰基和N-磺酰基恶唑烷-2,4-二酮是丝氨酸蛋白酶的伪不可逆抑制剂
- 研究人体衰老过程中血清中组织蛋白酶B和L活性的作用。
- 抑制活性测定
- 研究CTSL在COVID-19感染中的作用
Biochem/physiol Actions
组织蛋白酶L是一种半胱氨酸蛋白酶,主要参与溶酶体中的蛋白质分解。组织蛋白酶L降解核转录因子,并可能影响细胞周期调控。组织蛋白酶L还参与免疫系统,特别是在主要组织相容性复合体(MHC)II类分子加工过程中降解不变链,这是抗原呈递的关键步骤。它在胸腺中的表达证明对自然杀伤细胞的发育至关重要。此外,组织蛋白酶L有助于发育中的出生后中枢神经系统轴突生长和突触形成过程中的再循环过程。蛋白酶与癌症的发生和进展有关。因此,组织蛋白酶L可能是癌症的潜在治疗靶点。
General description
研究领域:细胞信号传导
组织蛋白酶L是一种木瓜蛋白酶样半胱氨酸蛋白酶,属于A宗族C1家族。在空间结构上,它由α-螺旋构成的L结构域和β-片层构成的R结构域组成。
人组织蛋白酶B(基因库登录号:NM_001912),氨基酸18-333,带C-末端HIS标签,MW = 36 kDa,在FreeStyle 293-F细胞中表达。
组织蛋白酶L是一种木瓜蛋白酶样半胱氨酸蛋白酶,属于A宗族C1家族。在空间结构上,它由α-螺旋构成的L结构域和β-片层构成的R结构域组成。
人组织蛋白酶B(基因库登录号:NM_001912),氨基酸18-333,带C-末端HIS标签,MW = 36 kDa,在FreeStyle 293-F细胞中表达。
Other Notes
一个单位定义为在37℃下每分钟裂解1 pmol底物的酶量
Physical form
在50 mM MES,400 mM NaCl,pH 5.0和10%甘油中配制。
Preparation Note
冰上解冻。 首次解冻后,短暂旋转含有酶的试管,以回收试管中的全部内容物。将酶分装成一次性使用的等分试样。 将剩余的未稀释酶分装保存于-70℃。注:酶对冻融循环非常敏感。
Legal Information
FreeStyle is a trademark of Invitrogen Corp.
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
常规特殊物品
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