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These data reveal that the STAM-Hrs complex, which down-regulates ligand-activated growth factor receptors from the cell surface of yeast and mammalian cells, also regulates the localization and signaling of a ciliary PC1 receptor-TRPP2 complex.[STAM]
The beta-arrestin1.STAM1 complex is necessary for promoting autophosphorylation of focal adhesion kinase (FAK). FAK is necessary for CXCL12-induced chemotaxis and associates with and localizes with beta-arrestin1 and STAM1 in a CXCL12-dependent manner.
The VHS domain of STAM1 directs AMSH to cleave longer Lys63-linked ubiquitin chains
Differential expression of the transcripts STAM connects ubiquitin-proteasome system with infection-inflammation in preterm births and preterm premature rupture of membranes.
ESCRT-0 protein hepatocyte growth factor-regulated tyrosine kinase substrate (Hrs) is targeted to endosomes independently of signal-transducing adaptor molecule (STAM) and the complex formation with STAM promotes its endosomal dissociation.
Overexpression of an AIP4 catalytically inactive mutant and a mutant that shows poor binding to STAM-1 fails to enhance CXCR4-induced ERK-1/2 signaling.
STAM proteins function in a multivalent complex that sorts ubiquitinated proteins into the multivesicular body pathway.
Interaction of TIMM8a with STAM1.
Data suggested that association with hepatocyte growth factor-regulated tyrosine kinase substrate is a prerequisite for STAM1 function in early endosome.
Hrs is a master molecule that controls in part the degradation of STAM1 and the accumulation of ubiquitinated proteins
Analysis with phospho-specific antibodies indicates that 3 kinases generate a signal-specific, combinatorial phosphorylation profile of the Hrs-STAM complex, with the potential of diversifying tyrosine kinase receptor signalling through a common element.
The cellular functions of UBPY are complex but clearly distinct from those of the Lys-63-ubiquitin-specific protease, AMSH, with which it shares a binding site on the SH3 domain of STAM
STAMs function prominently in endoplasmic reticulum-to-Golgi trafficking, most likely through direct interactions with the coat protein II complex
A novel ubiquitin binding site and the manner of ubiquitin recognition of the STAM1 VHS domain were proposed.
the motor neuron-specific ISL1-LHX3 complex directly transactivates the Stam1 gene.
These results demonstrate that the STAMs are indispensably involved in T-cell development and survival in the thymus through the prevention of apoptosis but are dispensable for the proximal signaling of TCR and cytokine receptors.
plays important role in the mammalian endosomal/vacuolar protein sorting pathway
This gene encodes a member of the signal-transducing adaptor molecule family. These proteins mediate downstream signaling of cytokine receptors and also play a role in ER to Golgi trafficking by interacting with the coat protein II complex. The encoded protein also associates with hepatocyte growth factor-regulated substrate to form the endosomal sorting complex required for transport-0 (ESCRT-0), which sorts ubiquitinated membrane proteins to the ESCRT-1 complex for lysosomal degradation. Alternatively spliced transcript variants have been observed for this gene.
signal transducing adapter molecule 1
, signal transducing adaptor molecule (SH3 domain and ITAM motif) 1
, signal transducing adaptor molecule 1
, HSE1 homolog