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9.A.14.7.4
Taste receptor type 1 member 2, TAS1R2, GPR71, TR2, of 839 aas and 7 C-terminal TMSs. Sweet substances are detected by taste-bud cells upon binding to the sweet-taste receptor, a T1R2/T1R3 heterodimeric G protein-coupled receptor (von Molitor et al. 2020).

Accession Number:Q8TE23
Protein Name:Taste receptor type 1 member 2
Length:839
Molecular Weight:95183.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:7
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate

Cross database links:

Entrez Gene ID: 80834   
Pfam: PF00003    PF01094    PF07562   
KEGG: hsa:80834    hsa:80834   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0046982 F:protein heterodimerization activity
GO:0008527 F:taste receptor activity
GO:0001582 P:detection of chemical stimulus involved in sensory perception of sweet taste

References (4)

[1] “Human receptors for sweet and umami taste.”  Li X.et.al.   11917125
[2] “The DNA sequence and biological annotation of human chromosome 1.”  Gregory S.G.et.al.   16710414
[3] “Human receptors for sweet and umami taste.”  Li X.et.al.   11917125
[4] “The DNA sequence and biological annotation of human chromosome 1.”  Gregory S.G.et.al.   16710414

External Searches:

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MGPRAKTISS LFFLLWVLAE PAENSDFYLP GDYLLGGLFS LHANMKGIVH LNFLQVPMCK 
61:	EYEVKVIGYN LMQAMRFAVE EINNDSSLLP GVLLGYEIVD VCYISNNVQP VLYFLAHEDN 
121:	LLPIQEDYSN YISRVVAVIG PDNSESVMTV ANFLSLFLLP QITYSAISDE LRDKVRFPAL 
181:	LRTTPSADHH IEAMVQLMLH FRWNWIIVLV SSDTYGRDNG QLLGERVARR DICIAFQETL 
241:	PTLQPNQNMT SEERQRLVTI VDKLQQSTAR VVVVFSPDLT LYHFFNEVLR QNFTGAVWIA 
301:	SESWAIDPVL HNLTELRHLG TFLGITIQSV PIPGFSEFRE WGPQAGPPPL SRTSQSYTCN 
361:	QECDNCLNAT LSFNTILRLS GERVVYSVYS AVYAVAHALH SLLGCDKSTC TKRVVYPWQL 
421:	LEEIWKVNFT LLDHQIFFDP QGDVALHLEI VQWQWDRSQN PFQSVASYYP LQRQLKNIQD 
481:	ISWHTINNTI PMSMCSKRCQ SGQKKKPVGI HVCCFECIDC LPGTFLNHTE DEYECQACPN 
541:	NEWSYQSETS CFKRQLVFLE WHEAPTIAVA LLAALGFLST LAILVIFWRH FQTPIVRSAG 
601:	GPMCFLMLTL LLVAYMVVPV YVGPPKVSTC LCRQALFPLC FTICISCIAV RSFQIVCAFK 
661:	MASRFPRAYS YWVRYQGPYV SMAFITVLKM VIVVIGMLAT GLSPTTRTDP DDPKITIVSC 
721:	NPNYRNSLLF NTSLDLLLSV VGFSFAYMGK ELPTNYNEAK FITLSMTFYF TSSVSLCTFM 
781:	SAYSGVLVTI VDLLVTVLNL LAISLGYFGP KCYMILFYPE RNTPAYFNSM IQGYTMRRD