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1.A.30.6.1
ZorA/ZorB forming a putative proton channel.  ZorA (704 aas; 4 TMSs; ABS66238; a putative methyl chemotaxis protein) is a very distant MotA homologue showing most sequence similarity to TC# 1.A.30.5.1) while ZorB is a clear MotB homologue (254 aas with 1 N-terminal TMS; ABS66239; hits 1.A.30.1.4 with a score of e-09).  This system is proposed to function as an anti-phage defense system.  ZorAB are only two such components, suggested to have proton channel activity (Doron et al. 2018).

Accession Number:ABS66239
Protein Name:ABS66239.1 OmpA/MotB domain protein [Xanthobacter autotrophicus Py2]
Length:297
Molecular Weight:
Species:Xanthobacter autotrophicus Py2 [78245]
Number of TMSs:1
Substrate

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FASTA formatted sequence
1:	MAITEDTEHA GSEEGENYFI SMTDMMVGVL FIFIIMLMVF ALDFRSKTDV QEDAIEVARE 
61:	VARKLDAMSG QVRSAIATVD ASQQVRRQLL QDIESQLRAE GLNVQIDEQN GVLRLTEDAV 
121:	RFEPSRSDLA GRARSNVDKI ARVLDRVLPA YTACHVAEGA AGGTACQPGA GPSLETVFIE 
181:	GHTDSTGEDG TNWQLSTERA VNTYRAIVAG APRLRGLRNL RGEEILSVSG YASTRPIDPT 
241:	ESREAWARNR RIDLRFVMEV DNRRRLEEIR TLTDEMKQQI DRLTAASAAR AGKGAP