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US28

Gene
US28
Protein
G-protein coupled receptor homolog US28
Organism
Human cytomegalovirus (strain AD169)
Length
354 amino acids
Function
Receptor for a C-C type chemokine. Binds to a number of different CC-chemokines including CCL5/RANTES, CCL2/MCP-1, CCL3/MIP-1-alpha as well as CX3CL1/Fractalkine. Transduces signals resulting in the activation of MAP kinase signaling pathways and augmentation of intracellular calcium ion levels, leading to alterations in chemotactic behavior of vascular smooth muscle cells and macrophages. The US28 receptor also exhibits high levels of agonist-independent signaling activity and agonist-independent endocytosis. Interacts with endogenous Gaq/11 subunits and thereby constitutively activates phospholipase C.
Similarity
Belongs to the G-protein coupled receptor 1 family.
Mass
41.064 kDa
Sequence
MTPTTTTAELTTEFDYDEDATPCVFTDVLNQSKPVTLFLYGVVFLFGSIGNFLVIFTITWRRRIQCSGDVYFINLAAADLLFVCTLPLWMQYLLDHNSLASVPCTLLTACFYVAMFASLCFITEIALDRYYAIVYMRYRPVKQACLFSIFWWIFAVIIAIPHFMVVTKKDNQCMTDYDYLEVSYPIILNVELMLGAFVIPLSVISYCYYRISRIVAVSQSRHKGRIVRVLIAVVLVFIIFWLPYHLTLFVDTLKLLKWISSSCEFERSLKRALILTESLAFCHCCLNPLLYVFVGTKFRQELHCLLAEFRQRLFSRDVSWYHSMSFSRRSSPSRRETSSDTLSDEVCRVSQIIP

Gene
US28
Protein
Envelope protein US28
Organism
Human cytomegalovirus (strain Merlin)
Length
354 amino acids
Function
Receptor for a C-C type chemokine. Binds to a number of different CC-chemokines including CCL5/RANTES, CCL2/MCP-1, CCL3/MIP-1-alpha as well as CX3CL1/Fractalkine. In turn, transduces signals including activation of MAP kinase signaling pathways, augmentation of intracellular calcium ions level as well as chemotaxis of vascular smooth muscle cells and macrophages. US28 receptor also exhibits high levels of agonist-independent signaling activity and agonist-independent endocytosis. Interacts with endogenous Gaq/11 subunits and thereby constitutively activates phospholipase C (By similarity).
Similarity
Belongs to the G-protein coupled receptor 1 family.
Mass
41.034 kDa
Sequence
MTPTTTTAELTTEFDYDEDATPCVFTDVLNQSKPVTLFLYGVVFLFGSIGNFLVIFTITWRRRIQCSGDVYFINLAAADLLFVCTLPLWMQYLLDHNSLASVPCTLLTACFYVAMFASLCFITEIALDRYYAIVYMRYRPVKQACLFSIFWWIFAVIIAIPHFMVVTKKDNQCMTDYDYLEVSYPIILNVELMLGAFVIPLSVISYCYYRISRIVAVSQSRHKGRIVRVLIAVVLVFIIFWLPYHLTLFVDTLKLLKWISSSCEFERSLKRALILTESLAFCHCCLNPLLYVFVGTKFRQELHCLLAEFRQRLFSRDVSWYHSMSFSRRGSPSRRETSSDTLSDEVCRVSQIIP

Gene
US28
Protein
G-protein coupled receptor homolog US28
Organism
Human cytomegalovirus (strain Towne)
Length
354 amino acids
Function
Receptor for a C-C type chemokine. Binds to MIP-1 alpha, RANTES, and MCP-1 and subsequently transduces a signal by increasing the intracellular calcium ions level. May regulate viral latency or reactivation; potential pathway for virally transformed cell proliferation.
Similarity
Belongs to the G-protein coupled receptor 1 family.
Mass
41.064 kDa
Sequence
MTPTTTTAELTTEFDYDEDATPCVFTDVLNQSKPVTLFLYGVVFLFGSIGNFLVIFTITWRRRIQCSGDVYFINLAAADLLFVCTLPLWMQYLLDHNSLASVPCTLLTACFYVAMFASLCFITEIALDRYYAIVYMRYRPVKQACLFSIFWWIFAVIIAIPHFMVVTKKDNQCMTDYDYLEVSYPIILNVELMLGAFVIPLSVISYCYYRISRIVAVSQSRHKGRIVRVLIAVVLVFIIFWLPYHLTLFVDTLKLLKWISSSCEFERSLKRALILTESLAFCHCCLNPLLYVFVGTKFRQELHCLLAEFRQRLFSRDVSWYHSMSFSRRSSPSRRETSSDTLSDEVCRVSQIIP