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- bs-1402P
- 2025年10月16日
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500ug
| 产品编号 | bs-1402P |
| 英文名称 | SREBP-1 Antibody Blocking Peptide |
| 中文名称 | 胆固醇调节元件结合蛋白1封闭多肽 |
| 英文别名 | Sterol regulatory element binding protein 1; ADD 1; BHLHD1; D630008H06; SREBF 1; SREBP-1; SREBF1; SREBP 1; SREBP1; SREBP 1c; Sterol regulatory element binding protein 1; Sterol Regulatory Element Binding Transcription Factor 1 / Protein 1; Sterol regulatory element binding transcription factor 1; SRBP1_HUMAN; Sterol regulatory element-binding protein 1; SREBP-1; Class D basic helix-loop-helix protein 1; bHLHd1; Sterol regulatory element-binding transcription factor 1; Processed sterol regulatory element-binding protein 1. |
| 性状 | Lyophilized |
| 纯化方法 | HPLC |
| 研究领域 | Cancer > Cancer Metabolism > Metabolic signaling pathway > Metabolism of lipids and lipoproteins Cardiovascular > Lipids / Lipoproteins > Lipid Metabolism > Cholesterol Metabolism Epigenetics and Nuclear Signaling > Transcription > Domain Families > HLH / Leucine Zipper Epigenetics and Nuclear Signaling > Transcription > Domain Families > HLH / Leucine Zipper > HLH / Leucine Zipper Metabolism > Pathways and Processes > Metabolic signaling pathways > Lipid and lipoprotein metabolism > Cholesterol Metabolism Metabolism > Pathways and Processes > Metabolic signaling pathways > Lipid and lipoprotein metabolism > Lipid metabolism Metabolism > Types of disease > Cancer Metabolism > Types of disease > Obesity |
| 亚基 | Forms a tight complex with SCAP in the ER membrane. Efficient DNA binding of the soluble transcription factor fragment requires dimerization with another bHLH protein. Interacts with LMNA. |
| 亚细胞定位 | Endoplasmic reticulum membrane; Multi-pass membrane protein. Golgi apparatus membrane; Multi-pass membrane protein. Cytoplasmic vesicle, COPII-coated vesicle membrane; Multi-pass membrane protein. Note=Moves from the endoplasmic reticulum to the Golgi in the absence of sterols.
Processed sterol regulatory element-binding protein 1: Nucleus. Isoform SREBP-1aDelta: Nucleus. Isoform SREBP-1cDelta: Nucleus. |
| 组织特异性 | Expressed in a wide variety of tissues, most abundant in liver and adrenal gland. In fetal tissues lung and liver shows highest expression. Isoform SREBP-1C predominates in liver, adrenal gland and ovary, whereas isoform SREBP-1A predominates in hepatoma cell lines. Isoform SREBP-1A and isoform SREBP-1C are found in kidney, brain, white fat, and muscle. |
| 翻译后修饰 | At low cholesterol the SCAP/SREBP complex is recruited into COPII vesicles for export from the ER. In the Golgi complex SREBPs are cleaved sequentially by site-1 and site-2 protease. The first cleavage by site-1 protease occurs within the luminal loop, the second cleavage by site-2 protease occurs within the first transmembrane domain and releases the transcription factor from the Golgi membrane. Apoptosis triggers cleavage by the cysteine proteases caspase-3 and caspase-7.
Phosphorylated by AMPK, leading to suppress protein processing and nuclear translocation, and repress target gene expression. Phosphorylation at Ser-402 by SIK1 represses activity possibly by inhibiting DNA-binding. |
| 相似性 | Belongs to the SREBP family.
Contains 1 bHLH (basic helix-loop-helix) domain. |
| 功能 | Transcriptional activator required for lipid homeostasis. Regulates transcription of the LDL receptor gene as well as the fatty acid and to a lesser degree the cholesterol synthesis pathway. Binds to the sterol regulatory element 1 (SRE-1) (5'-ATCACCCCAC-3'). Has dual sequence specificity binding to both an E-box motif (5'-ATCACGTGA-3') and to SRE-1 (5'-ATCACCCCAC-3'). |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 背景资料 | This gene encodes a transcription factor that binds to the sterol regulatory element-1 (SRE1), which is a decamer flanking the low density lipoprotein receptor gene and some genes involved in sterol biosynthesis. The protein is synthesized as a precursor that is attached to the nuclear membrane and endoplasmic reticulum. Following cleavage, the mature protein translocates to the nucleus and activates transcription by binding to the SRE1. Sterols inhibit the cleavage of the precursor, and the mature nuclear form is rapidly catabolized, thereby reducing transcription. The protein is a member of the basic helix-loop-helix-leucine zipper (bHLH-Zip) transcription factor family. This gene is located within the Smith-Magenis syndrome region on chromosome 17. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008] |
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SREBP-1 Antibody Blocking Peptide(bs-1402P)-500ug
￥880
