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9.A.29.3.5
Serine incorporator 5, SERINC5, of 423 aas and 10 or 11 TMSs.  The 3-D structure has been determined (Pye et al. 2020). See paragraph 2 in the family description for details. SERINC5 and IFITM3 block fusioin of HIV-1 envelope glycoprotein with the cell membrane during the course of HIV-1, but at different stages of viral infection (Beitari et al. 2020).  

Accession Number:Q86VE9
Protein Name:Serine incorporator 5
Length:423
Molecular Weight:47009.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:8
Location1 / Topology2 / Orientation3: Cytoplasm1
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSAQCCAGQL ACCCGSAGCS LCCDCCPRIR QSLSTRFMYA LYFILVVVLC CIMMSTTVAH 
61:	KMKEHIPFFE DMCKGIKAGD TCEKLVGYSA VYRVCFGMAC FFFIFCLLTL KINNSKSCRA 
121:	HIHNGFWFFK LLLLGAMCSG AFFIPDQDTF LNAWRYVGAV GGFLFIGIQL LLLVEFAHKW 
181:	NKNWTAGTAS NKLWYASLAL VTLIMYSIAT GGLVLMAVFY TQKDSCMENK ILLGVNGGLC 
241:	LLISLVAISP WVQNRQPHSG LLQSGVISCY VTYLTFSALS SKPAEVVLDE HGKNVTICVP 
301:	DFGQDLYRDE NLVTILGTSL LIGCILYSCL TSTTRSSSDA LQGRYAAPEL EIARCCFCFS 
361:	PGGEDTEEQQ PGKEGPRVIY DEKKGTVYIY SYFHFVFFLA SLYVMMTVTN WFNHVRSAFH 
421:	LLP