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3.A.1.2.30
3-component ABC-type putative general nucleoside uptake porter consisting of a receptor, a putative lipoprotein with two N- and C-terminal TMSs (R; 405 aas), an integral membrane protein of about 20 TMSs in a 1 + 4 (tight) + 4 (loose) +2 +1 + 4 (tight) +4 (loose) TMS arrangement (M; 864 aas), and a cytoplasmic ATPase (C; 563 aas).  It appears that the membrane protein contains a 9 (or 10) TMS repeat unit, and that there are two extra TMSs separating the two repeat units.  These are homologous to the two membrane constituents of TC# 3.A.1.2.17.

Accession Number:OLS24537
Protein Name:OLS24537.1 Membrane lipoprotein TmpC precursor [Candidatus Heimdallarchaeota archaeon LC_3]
Length:406
Molecular Weight:
Species:Candidatus Heimdallarchaeota archaeon LC_3 [1841598]
Number of TMSs:4
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MYFNKKLTLA LGIITVFLIG TFFVPTGPVS ADPIPQPKIA FVFSTGGLGD LSFNDAGFVG 
61:	LQKANTTYNL GVTEADYAEP TDVPEISDLV ESFATSTKNY DLILTIGFSS ADAVTASALA 
121:	HPDQKFVIID MVINLTNVAS VVFNEQEGSF LAGVMAAMTT TSNKVAFLGG EEISLIKKFE 
181:	AGFQQGVYAI NDKIEIFAQY APDQTNPWND IGGGKSVAID FIDKGADVIY AAAGETGVGM 
241:	FNAVNETNTE AGIAGTDTKA NEPDKIYGIG VDSDQDWTNP GYILTSMIKR VDVAVFDQIK 
301:	AIVDGTWQGT GTDYSNILTL DLESGGVGIS DMTYTGFEKD VDYNGSTRWE IVQSYSSAII 
361:	AGSIPVNIEP IEYYTTTAPG FDGFLVFLGL AIISLIPIIR RKFKN