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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'). Isoform SREBP-1A is much more active than isoform SREBP-1C in stimulating transcription from SRE-1-containing promoters. [SUBUNIT] 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. [SUBCELLULAR LOCATION] 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. [SUBCELLULAR LOCATION] Processed sterol regulatory element-binding protein 1: Nucleus. Belongs to the SREBP family.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: ADD1; adipocyte determination and differentiation-dependent factor 1; Adipocyte determination- and differentiation-dependent factor 1; bHLHd1; bHLHd2; Class D basic helix-loop-helix protein 1; Class D basic helix-loop-helix protein 2; srebf2; srebf2 {ECO:0000312|EMBL:AAI01903.1}; SREBP-1; SREBP-2; sterol regulatory element binding factor 2; sterol regulatory element binding protein 2; Sterol regulatory element-binding protein 1; Sterol regulatory element-binding protein 2; Sterol regulatory element-binding transcription factor 1; Sterol regulatory element-binding transcription factor 2; sterol response element binding protein 1
基因别名: ADD-1; ADD1; AI608257; BHLHD1; BHLHD2; D630008H06; lop13; nuc; SREBF1; SREBF2; Srebf2_retired; SREBP-1; SREBP-1a; SREBP-1c; SREBP-2; SREBP1; SREBP1a; SREBP1c; SREBP2; SREBP2gc
UniProt ID: (Human) P36956, (Human) Q12772, (Rat) P56720, (Mouse) Q9WTN3, (Rat) Q3T1I5, (Mouse) Q3U1N2
Entrez Gene ID: (Human) 6720, (Bovine) 539361, (Bovine) 507102, (Human) 6721, (Rat) 78968, (Mouse) 20787, (Rat) 300095, (Mouse) 20788