| 產品介紹 | Beclin 1 is the first identified mammalian gene to mediate autophagy and also has tumor suppressor and antiviral function. Autophagy, a process of bulk protein degradation through an autophagosomic lysosomal pathway, is important for differentiation, survival during nutrient deprivation, and normal growth control, and is often defective in tumor cells. Beclin 1 was originally isolated in a yeast two hybrid screen to identify Bcl 2 binding partners and maps to a tumor susceptibility locus on human chromosome 17q21 that is frequently monoallelically deleted in human breast, ovarian and prostate cancer. Beclin 1 encodes an evolutionarily conserved 52kDa coiled coil protein that is expressed in human muscle, epithelial cells and neurons.
Function:
Plays a central role in autophagy. Required for the abcission step in cytokinesis. May play a role in antiviral host defense. Protects against infection by a neurovirulent strain of Sindbis virus.
Subunit:
Interacts with GOPC and GRID2. Interacts with AMBRA1. Forms a complex with PIK3C3 and PIK3R4 and either UVRAG and KIAA0226/Rubicon, or with ATG14. UVRAG and ATG14 form mutually exclusive complexes through direct competition for BECN1-binding. The complex containing ATG14 up-regulates autophagy, while the one containing Rubicon down-regulates autophagy. Interacts with BCL2 and BCL2L1. Interacts with VMP1. Interacts with PIK3CB. Interacts with DAPK1. Interacts with human cytomegalovirus/HHV-5 protein TRS1.
Subcellular Location:
Golgi apparatus, trans-Golgi network membrane; Peripheral membrane protein. Note=Interaction with ATG14 promotes translocation to autophagosomes. Expressed in dendrites and cell bodies of cerebellar Purkinje cells.
Tissue Specificity:
Ubiquitous.
Post-translational modifications:
Phosphorylation at Thr-119 by DAPK1 reduces its interaction with BCL2 and BCL2L1 and promotes induction of autophagy.
Ubiquitinated. Deubiquitinated by USP10 and USP13, leading to stabilize the PIK3C3/VPS34-containing complexes.
Similarity:
Belongs to the beclin family.
SWISS:
Q14457
Gene ID:
8678
Database links:
Entrez Gene: 8678 Human Entrez Gene: 56208 Mouse Entrez Gene: 114558 Rat Omim: 604378 Human SwissProt: Q14457 Human SwissProt: O88597 Mouse SwissProt: Q91XJ1 Rat Unigene: 716464 Human Unigene: 178947 Mouse Unigene: 2776 Rat
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
BECN1是一種分子質量為60KDa的蛋白質, 它能與細胞凋亡抑制劑Bcl-2相互作用, 減少中樞神經系統的凋亡，參與PI3K復合物的組成和自噬體的形成。主要表達在胞質。抑癌基因beclin 1通過自噬作用來調節細胞生長。 |
在線咨詢
English
