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9.A.14.13.45
GPR4 of 362 aas and 7 TMSs.  It is a proton-sensing G-protein coupled receptor that couples to multiple intracellular signaling pathways (Chen et al. 2011).  It could potentially be used as therapeutic targets and diagnostic biomarkers for the development of novel broad spectrum therapeutic agents (Jia et al. 2023).

Accession Number:P46093
Protein Name:G-protein coupled receptor 4
Length:362
Molecular Weight:40982.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:7
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGNHTWEGCH VDSRVDHLFP PSLYIFVIGV GLPTNCLALW AAYRQVQQRN ELGVYLMNLS 
61:	IADLLYICTL PLWVDYFLHH DNWIHGPGSC KLFGFIFYTN IYISIAFLCC ISVDRYLAVA 
121:	HPLRFARLRR VKTAVAVSSV VWATELGANS APLFHDELFR DRYNHTFCFE KFPMEGWVAW 
181:	MNLYRVFVGF LFPWALMLLS YRGILRAVRG SVSTERQEKA KIKRLALSLI AIVLVCFAPY 
241:	HVLLLSRSAI YLGRPWDCGF EERVFSAYHS SLAFTSLNCV ADPILYCLVN EGARSDVAKA 
301:	LHNLLRFLAS DKPQEMANAS LTLETPLTSK RNSTAKAMTG SWAATPPSQG DQVQLKMLPP 
361:	AQ