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STRA6

Gene
stra6
Protein
Receptor for retinol uptake stra6
Organism
Danio rerio
Length
670 amino acids
Function
Retinol transporter. Accepts retinol from the extracellular retinol-binding protein rbp4, mediates retinol transport across the cell membrane, and then transmits retinol to the cytoplasmic retinol-binding protein rbp1 (PubMed:27563101). Required for normal vitamin A homeostasis (PubMed:18316031).
Mass
75.397 kDa
Sequence
MSAETVNNYDYSDWYENAAPTKAPVEVIPPCDPTADEGLFHICIAAISLVVMLVLAILARRQKLSDNQRGLTGLLSPVNFLDHTQHKGLAVAVYGVLFCKLVGMVLSHHPLPFTKEVANKEFWMILALLYYPALYYPLLACGTLHNKVGYVLGSLLSWTHFGILVWQKVDCPKTPQIYKYYALFGSLPQIACLAFLSFQYPLLLFKGLQNTETANASEDLSSSYYRDYVKKILKKKKPTKISSSTSKPKLFDRLRDAVKSYIYTPEDVFRFPLKLAISVVVAFIALYQMALLLISGVLPTLHIVRRGVDENIAFLLAGFNIILSNDRQEVVRIVVYYLWCVEICYVSAVTLSCLVNLLMLMRSMVLHRSNLKGLYRGDSLNVFNCHRSIRPSRPALVCWMGFTSYQAAFLCLGMAIQTLVFFICILFAVFLIIIPILWGTNLMLFHIIGNLWPFWLTLVLAALIQHVASRFLFIRKDGGTRDLNNRGSLFLLSYILFLVNVMIGVVLGIWRVVITALFNIVHLGRLDISLLNRNVEAFDPGYRCYSHYLKIEVSQSHPVMKAFCGLLLQSSGQDGLSAQRIRDAEEGIQLVQQEKKQNKVSNAKRARAHWQLLYTLVNNPSLVGSRKHFQCQSSESFINGALSRTSKEGSKKDGSVNEPSKEAESAAASN

Gene
Stra6
Protein
Receptor for retinol uptake STRA6
Organism
Mus musculus
Length
670 amino acids
Function
Functions as retinol transporter (PubMed:23839944, PubMed:24852372). Accepts all-trans retinol from the extracellular retinol-binding protein RBP4, facilitates retinol transport across the cell membrane, and then transfers retinol to the cytoplasmic retinol-binding protein RBP1. Retinol uptake is enhanced by LRAT, an enzyme that converts retinol to all-trans retinyl esters, the storage forms of vitamin A (By similarity). Contributes to the activation of a signaling cascade that depends on retinol transport and LRAT-dependent generation of retinol metabolites that then trigger activation of JAK2 and its target STAT5, and ultimately increase the expression of SOCS3 and inhibit cellular responses to insulin (PubMed:21368206, PubMed:23839944). Important for the homeostasis of vitamin A and its derivatives, such as retinoic acid and 11-cis-retinal (PubMed:22467576, PubMed:24852372). STRA6-mediated transport is particularly important in the eye, and under conditions of dietary vitamin A deficiency (PubMed:22467576, PubMed:23839944, PubMed:24852372). Does not transport retinoic acid (By similarity).
Mass
73.775 kDa
Sequence
MESQASENGSQTSSGVTDDYSSWYIEEPLGAEEVQPEGVIPLCQLTAPPALLHACLASLSFLVLLLLALLVRRRRLWPRCGHRGLGLPSPVDFLAGDLSWTVPAAVFVVLFSNLCLLLPDENPLPFLNLTAASSPDGEMETSRGPWKLLALLYYPALYYPLAACASAGHQAAFLLGTVLSWAHFGVQVWQKAECPQDPKIYKHYSLLASLPLLLGLGFLSLWYPVQLVQSLRHRTGAGSQGLQTSYSEKYLRTLLCPKKLDSCSHPASKRSLLSRAWAFSHHSIYTPQPGFRLPLKLVISATLTGTATYQVALLLLVSVVPTVQKVRAGINTDVSYLLAGFGIVLSEDRQEVVELVKHHLWTVEACYISALVLSCASTFLLLIRSLRTHRANLQALHRGAALDLDPPLQSIHPSRQAIVSWMSFCAYQTAFSCLGLLVQQVIFFLGTTSLAFLVFVPLLHGRNLLLLRSLESTWPFWLTVALAVILQNIAANWIFLRTHHGYPELTNRRMLCVATFLLFPINMLVGAIMAVWRVLISSLYNTVHLGQMDLSLLPQRAASLDPGYHTYQNFLRIEASQSHPGVIAFCALLLHAPSPQPRPPLAPQDSLRPAEEEEGMQLLQTKDLMAKGAGHKGSQSRARWGLAYTLLHNPSLQAFRKAALTSAKANGTQP

Gene
Stra6
Protein
Receptor for retinol uptake STRA6
Organism
Rattus norvegicus
Length
670 amino acids
Function
Functions as retinol transporter. Accepts all-trans retinol from the extracellular retinol-binding protein RBP4, facilitates retinol transport across the cell membrane, and then transfers retinol to the cytoplasmic retinol-binding protein RBP1. Retinol uptake is enhanced by LRAT, an enzyme that converts retinol to all-trans retinyl esters, the storage forms of vitamin A. Contributes to the activation of a signaling cascade that depends on retinol transport and LRAT-dependent generation of retinol metabolites that then trigger activation of JAK2 and its target STAT5, and ultimately increase the expression of SOCS3 and inhibit cellular responses to insulin. Important for the homeostasis of vitamin A and its derivatives, such as retinoic acid. STRA6-mediated transport is particularly important in the eye, and under conditions of dietary vitamin A deficiency. Does not transport retinoic acid.
Mass
73.763 kDa
Sequence
MESQASENGSQTSSGVTDDYSSWYIEEPLGAEEVQPEGVNPLCQPTVPPALHHACLASLSLLALLLLALLVRRRRLWPHCAHCRPGLPSPVDFLAGNRSWTVPTAVFVALFSNLCLLLPDENPLPFLNRTAASSPDGEPETSRGPWKLLALLYYPALYYPLAACATAGHRAAYLLGTVLSWVHVSVQVWQRAECPQDPKIYKHYSLLASLPLLLSLGFLSLWYPVQVVQSIRHRTGAGSQGLQTSYSEKYLRALLCPKKLDSCSHPASKRSLLSRAWAFSQHSIYTPEPGFCLPLKLVISATLTGTATYQVALLLLVSVVPTVQKVRAGITTDVSYLLAGFGIVLSEDRQEVVELVKHHLWAVEACYISALVLSCSLTFLLLIRSLRTHRANLKALHRGAALDLGPPLQSTHPSRQAIVCWMSFSAYQTAFSCLGLLVQQVIFFLGTTILAFLVFVPLLHGRNLLLLRSLESTWPFWLTLVLAVILQNIAANWVFLESHHGYPELTNRRMLCVATFLLFPINMLVGAIMAIWRVLLSSLYNTVHLGQMDLSLLPQRAASLDPGYHTYRNFLRIEASQSHPGVIAFCALLLHVPSPQPQPPLAPQDSLRPAAEEEGMQLLQTKDLMAKGAGPKGSRSRARWGLAYTLLHNPSLQAFRKAALTSAKANGTQP

Gene
STRA6
Protein
Receptor for retinol uptake STRA6
Organism
Bos taurus
Length
668 amino acids
Function
Functions as retinol transporter. Accepts all-trans retinol from the extracellular retinol-binding protein RBP4, facilitates retinol transport across the cell membrane, and then transfers retinol to the cytoplasmic retinol-binding protein RBP1 (PubMed:17255476, PubMed:18419130). Retinol uptake is enhanced by LRAT, an enzyme that converts retinol to all-trans retinyl esters, the storage forms of vitamin A. Contributes to the activation of a signaling cascade that depends on retinol transport and LRAT-dependent generation of retinol metabolites that then trigger activation of JAK2 and its target STAT5, and ultimately increase the expression of SOCS3 and inhibit cellular responses to insulin. Important for the homeostasis of vitamin A and its derivatives, such as retinoic acid. STRA6-mediated transport is particularly important in the eye, and under conditions of dietary vitamin A deficiency. Does not transport retinoic acid (By similarity).
Mass
73.762 kDa
Sequence
MSTQAAGNQTSSGATDSEDSYDSWYIDEPQGGQELQPEGLVPSCQPNVPPSLYHTCLAVLSILVLFLLAMLVRRRQLWPRCGHGRPGLPSPVDFLTGDRPRTVPAAVFMVLFSSLCLLLPTEDPLPFLSLASPPGRDGEAETSRGPWKILALLYYPALYYPLAACATVRHGAAHLLGSLLSWAHLGVQVWQRAECPESPKIYKYYSLLASLPLLLGLGFLSLWYPVQLVRSFGHGAATGSKGLQSSYSEEYLRTLLCQKKLKSSSHTCKRGFASQAWMYFRHSVYIPQRGFRLPLKLVLSVTLTGTAIYQVALLLLVGVVPTIQKVRAGITTDVSYLLAGFGIVLSEDRQEVVELVKHHLWALEVCYISALVLSCLLTFLMLVHSLVTHRTNLRALHRGGALDIGPLTQSPRPSRQAIFCWMSFTAYQTAFTCLGLLVQQILFFLGTLTLAFLVFMPMLHGRNLLLLHYLKSSWPFWLTLALAVTLQNAAAHWAFLDTHHGRPGLTNRRALYAATFLLFPVNVLVGTMVAAWRVLLSALYNAVHLGRMDLSLLPLRAATLDPGYHTYCNFLRMEASQSHPAATAFCALLLRTQRPKPRATPQDGLRLGEEEEGIQLLQTKDLVAKGAGPRARQGRARWGLAYTLLHNPALQAFRKTALPGARPNGAQP

Gene
STRA6
Protein
Receptor for retinol uptake STRA6
Organism
Homo sapiens
Length
667 amino acids
Function
Functions as retinol transporter. Accepts all-trans retinol from the extracellular retinol-binding protein RBP4, facilitates retinol transport across the cell membrane, and then transfers retinol to the cytoplasmic retinol-binding protein RBP1 (PubMed:9452451, PubMed:18316031, PubMed:22665496). Retinol uptake is enhanced by LRAT, an enzyme that converts retinol to all-trans retinyl esters, the storage forms of vitamin A (PubMed:18316031, PubMed:22665496). Contributes to the activation of a signaling cascade that depends on retinol transport and LRAT-dependent generation of retinol metabolites that then trigger activation of JAK2 and its target STAT5, and ultimately increase the expression of SOCS3 and inhibit cellular responses to insulin (PubMed:21368206, PubMed:22665496). Important for the homeostasis of vitamin A and its derivatives, such as retinoic acid (PubMed:18316031). STRA6-mediated transport is particularly important in the eye, and under conditions of dietary vitamin A deficiency (Probable). Does not transport retinoic acid (PubMed:18316031).
Mass
73.503 kDa
Sequence
MSSQPAGNQTSPGATEDYSYGSWYIDEPQGGEELQPEGEVPSCHTSIPPGLYHACLASLSILVLLLLAMLVRRRQLWPDCVRGRPGLPSPVDFLAGDRPRAVPAAVFMVLLSSLCLLLPDEDALPFLTLASAPSQDGKTEAPRGAWKILGLFYYAALYYPLAACATAGHTAAHLLGSTLSWAHLGVQVWQRAECPQVPKIYKYYSLLASLPLLLGLGFLSLWYPVQLVRSFSRRTGAGSKGLQSSYSEEYLRNLLCRKKLGSSYHTSKHGFLSWARVCLRHCIYTPQPGFHLPLKLVLSATLTGTAIYQVALLLLVGVVPTIQKVRAGVTTDVSYLLAGFGIVLSEDKQEVVELVKHHLWALEVCYISALVLSCLLTFLVLMRSLVTHRTNLRALHRGAALDLSPLHRSPHPSRQAIFCWMSFSAYQTAFICLGLLVQQIIFFLGTTALAFLVLMPVLHGRNLLLFRSLESSWPFWLTLALAVILQNMAAHWVFLETHDGHPQLTNRRVLYAATFLLFPLNVLVGAMVATWRVLLSALYNAIHLGQMDLSLLPPRAATLDPGYYTYRNFLKIEVSQSHPAMTAFCSLLLQAQSLLPRTMAAPQDSLRPGEEDEGMQLLQTKDSMAKGARPGASRGRARWGLAYTLLHNPTLQVFRKTALLGANGAQP

Gene
STRA6
Protein
Receptor for retinol uptake STRA6
Organism
Pongo abelii
Length
667 amino acids
Function
Functions as retinol transporter. Accepts all-trans retinol from the extracellular retinol-binding protein RBP4, facilitates retinol transport across the cell membrane, and then transfers retinol to the cytoplasmic retinol-binding protein RBP1. Retinol uptake is enhanced by LRAT, an enzyme that converts retinol to all-trans retinyl esters, the storage forms of vitamin A. Contributes to the activation of a signaling cascade that depends on retinol transport and LRAT-dependent generation of retinol metabolites that then trigger activation of JAK2 and its target STAT5, and ultimately increase the expression of SOCS3 and inhibit cellular responses to insulin. Important for the homeostasis of vitamin A and its derivatives, such as retinoic acid. STRA6-mediated transport is particularly important in the eye, and under conditions of dietary vitamin A deficiency. Does not transport retinoic acid.
Mass
73.567 kDa
Sequence
MSSQPAGNQTSPGPTEDYSYGSWYIDEPQGGEELQPEGEVPSCHTSIPPSLYHACLASLSILVLLLLAMLVRRRQLWPDCVRGRPGLPSPVDFLAGDRPQAVPAAVFVVLFSSLCLLLPDEDPLPFLTLASAPSQDGKTEAPRGAWKILGLFYYAALCYPLAACATAGHTAAHLLGSTLSWAHLGVQVWQRAECPQVPKIYKYYSLLASLPLLLGLGFLSLWYPVQLVRSFSCRTGAGSKGLQSSYSEEYLRNLLCRKKLGSSSHTSKHGFLSWAWVCLRHCIYTPQPGFRLPLKLVLSATLTGTAIYQVALLLLVGMVPNIQKVRAGVTTDVSYLLAGFGIVLSEDKQEVVELVKHHLWALEVCYISALVLSCSLTFLVLMRSLVTHRTNLRALHRGAALDSSPLHRSPHPSRRAIFCWMSFSAYQTAFICLGLLVQQIIFFLGTTALAFLVLMPVLHGRNLLLFRSLESSWPFWLTLALAVILQSMAAHWVFLETHDGHPQLTNRRVLYAATFLLFPLNVLVGAMVATWRVLLSALYNAIHLGQMDLSLLPPRAATLDPGYYTYRNFLKIEVSQSHPAMTAFCSLLLQARSLLPRTMAAPQDSLRPGEEDEGMQLLQTKDSMAKGARPRANRGRARWGLAYTLLHNPTLQVFRKTALLGANGAQP