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Mouse Anti-Beclin 1/FITC Conjugated antibody
background:
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/HHSLV5 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.
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是一种分子质量为60KDa的蛋白质, 它能与细胞凋亡抑制剂Bcl-2相互作用, 减少中枢神经系统的凋亡，参与PI3K复合物的组成和自噬体的形成。主要表达在胞质。抑癌基因beclin 1通过自噬作用来调节细胞生长。
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