Analytical Data
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基因名
DNAJB9
- Application
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别名
DKFZP564F1862; DnaJ (Hsp40) homolog subfamily B member 9; DnaJ homolog subfamily B member 9; DNAJB9; DNJB9_HUMAN; eEndoplasmic reticulum DNA J domain containing protein 4; Endoplasmic reticulum DnaJ homolog 4; ER resident protein ERdj4; ERdj4; MDG 1; Mdg-1; MDG1; Microvascular endothelial differentiation gene 1
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种属
Human
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表达系统
E. coli
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标签
GST-tag at N-terminal
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纯度
Greater than 90% as determined by SDS-PAGE.
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蛋白编号
Q9UBS3
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表达区间
1-223aa
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氨基酸序列
MATPQSIFIFAICILMITELILASKSYYDILGVPKSASERQIKKAFHKLAMKYHPDKNKSPDAEAKFREIAEAYETLSDANRRKEYDTLGHSAFTSGKGQRGSGSSFEQSFNFNFDDLFKDFGFFGQNQNTGSKKRFENHFQTRQDGGSSRQRHHFQEFSFGGGLFDDMFEDMEKMFSFSGFDSTNQHTVQTENRFHGSSKHCRTVTQRRGNMVTTYTDCSGQ
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分子量
51.9 kDa
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内毒素
< 1.0 EU per μg protein as determined by the LAL method.
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性状
Freeze-dried powder
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缓冲液
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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复溶方法
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- 个性化定制
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稳定性测试
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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保存条件 & 期限
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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运输条件
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
DNAJB9, a member of the DNAJ/Hsp40 family of proteins, plays a pivotal role in protein homeostasis by functioning as a co-chaperone for Hsp70, facilitating protein folding and degradation. Research into DNAJB9 has gained momentum due to its significant involvement in various cellular processes, including stress response and the maintenance of cellular proteostasis. Recent studies have indicated its potential role in neurodegenerative diseases, particularly in the pathogenesis of amyloid-related disorders such as Alzheimer's and Parkinson's disease. Moreover, DNAJB9 has emerged as a promising biomarker for certain cancers, given its differential expression patterns in tumor versus normal tissues. The recombinant expression and purification of DNAJB9 allow for detailed structural and functional studies, which are vital for understanding its mechanism of action and exploring therapeutic applications. By investigating DNAJB9's interactions with substrates and other chaperone proteins, researchers aim to elucidate the protein quality control pathways and their implications in disease. This background sets the stage for further studies into DNAJB9 as a potential target for therapeutic intervention, emphasizing the need for robust methodologies for its recombinant production and characterization.
