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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:OLS24538
Protein Name:OLS24538.1 Ribose import ATP-binding protein RbsA [Candidatus Heimdallarchaeota archaeon LC_3]
Length:564
Molecular Weight:
Species:Candidatus Heimdallarchaeota archaeon LC_3 [1841598]
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MANQVSSQDN KSYPIMKLTN ISKTFTGIKA VDEVSLEINS GEILAVLGEN GAGKSTLMKI 
61:	LSGIHQPEKG SIHINLNWFL RKQNMPQGLM PFRIFNPNKA IQIGIGMVYQ HFKLIEPLTV 
121:	RDNIMLGNEI TIGRTNIIDY VQADRDIENL GKTYGMPINP ETIIEELSVG IKQRVEILKQ 
181:	LYREAQLLIL DEPTAVLTPA EVEELFNTMR ELKAAGKSII FISHKLKEPL NIADRIIVMR 
241:	KGKIIGETKP SDATEVSLAE MMVGRRVLMQ LERSDVHPGK SILEVENLTI KNQHGFNAID 
301:	NISFEIRENE IVGIAGVQGN GQTELIDGLM GLRKDLSGSI KYYQSKGRDT AEELANKSTL 
361:	QILEKGIAYI PEDRSKQGLI HEFPIHDNTW LGLQSQPIIA EEYLGEKKES AKFSLKNFLI 
421:	PSKLLKRFAI KVIEDFDVMT PDIYVTLKNL SGGNQQKVIL GREFAKNPRL IIASQPTRGV 
481:	DVGVTEKVRN ALLKMRDQGT GVLLVSSDLD EILSLSDYIL VLYEGQIVGR GPIKDFTTLE 
541:	ISQLMTGGSL GSPKQTTQKQ VEV