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Anti-SREBP-1

品牌
Sigma-Aldrich
货号
ABS1508
规格纯度
from rabbit, purified by affinity chromatography
价格
1415.25 *本价格含增值税费
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数量
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半岛bd体育手机客户端 名称:
Anti-SREBP-1
Sterol regulatory element-binding protein 1, Class D basic helix-loop-helix protein 1, bHLHd1, Sterol regulatory element-binding transcription factor 1
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

Sterol regulatory element-binding protein 1 (UniProt: P36956; also known as SREBP-1, Class D basic helix-loop-helix protein 1, bHLHd1, Sterol regulatory element-binding transcription factor 1) is encoded by the SREBF1 (also known as BHLHD1, SREBP1) gene (Gene ID: 6720) in human. SREBP-1 is a multi-pass membrane protein that acts as at transcriptional activator required for lipid homeostasis. Six isoforms of SREBP-1 have been described that are produced by alternative splicing. SREBP-1 is expressed in a wide variety of tissues and is most abundant in liver and adrenal gland. In fetal lung and liver it is expressed in high levels. SREBP-1A predominates in hepatoma cell lines while isoform SREBP-1C is predominantly found in liver, adrenal gland, and ovary. Both isoforms IA and IC is found in kidney, brain, white fat, and muscle. SREBP-1 regulates transcription of the LDL receptor gene as well as the fatty acid and to a lesser degree the cholesterol synthesis pathway. It binds to the sterol regulatory element 1 (SRE-1) (5′-ATCACCCCAC-3′) and has dual sequence specificity binding to both an E-box motif (5′-ATCACGTGA-3′) and to SRE-1 (5′-ATCACCCCAC-3′). SREBP-1 has two cytoplasmic domains (aa 1-487 and 567-1147; two helical domains (aa 488-508 and 548-568), and a luminal domain (aa 509-547). In the absence of sterols, it moves from the endoplasmic reticulum to the Golgi. 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.

特异性

This rabbit polyclonal antibody detects Sterol regulatory element-binding protein 1 in human.

免疫原

KLH-conjugated linenar peptide corresponding to 14 amino acids from the N-terminal half of human Sterol regulatory element-binding protein 1. The Immunogen sequence is conserved in SREBP-1A, B, and C and in isoform 4.

应用

Immunohistochemistry Analysis: A 1:250-1,000 dilution from a representative lot detected SREBP-1 in human adrenal gland and human kidney tissues.

Research Category
Signaling
Anti-SREBP-1, Cat. No. ABS1508, is a rabbit polyclonal antibdody that detects Sterol regulatory element-binding protein 1 and has been tested for use in Immunohistochemistry (Paraffin) and Western Blotting.

质量

Evaluated by Western Blotting in DU145 cell lysate.

Western Blotting Analysis: 1 ?g/mL of this antibody detected SREBP-1 in 10 ?g of DU145 cell lysate.

目标描述

~120 kDa observed; 121.67 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

外形

Purified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Affinity Purified

储存及稳定性

Stable for 1 year at 2-8°C from date of receipt.

其他说明

Concentration: Please refer to lot specific datasheet.

免责声明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

基本信息

eCl@ss 32160702
NACRES NA.41

半岛bd体育手机客户端 性质

生物来源 rabbit
质量水平 100
抗体形式 affinity isolated antibody
antibody product type primary antibodies
克隆 polyclonal
纯化方式 affinity chromatography
species reactivity human
包装 antibody small pack of 25 μg
technique(s) immunohistochemistry: suitable (paraffin)
western blot: suitable
同位素/亚型 IgG
UniProt登记号 P36956
运输 ambient

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