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2.A.66.1.42
Paralytic shellfish toxin (PST; including saxitoxin (STX)) exporter, SxtM, of 464 aas (Soto-Liebe et al. 2013). These toxins, which block Na+ channels, are produced by cyanobacteria and dinoflagellates, and >30 such natural alkaloids are known (Soto-Liebe et al. 2012).

Accession Number:J7KFV5
Protein Name:SxtM
Length:464
Molecular Weight:49776.00
Species:Cylindrospermopsis raciborskii MVCC14 [940191]
Number of TMSs:12
Substrate Saxitoxin, Paralytic Shellfish Toxin

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	LAEVTSKGYK SELRSEARVS LQLAIPLVVV ETCETSINTV DVVMMGLLGT QVLAGGALGV 
61:	IAFLTLLFTC SSTLLAGGAQ AAEAFGANNI DRLCRIASGN LWLATALSLP AMFMLWHGDT 
121:	ILLLFGQQQS NVLLAKTYLH SIVWGFPAAL GIKILRGIAS AVNVPQLVTV TMLVGPVLNA 
181:	PANYVLMFGK FGLPELGLAG IGWASTLVFW ISFLVGVVLL IFSPKVRDYQ LFRYLHQFDR 
241:	QTVVEIFQTG WPMGFLLGVE SAVLGLSAWL AGYLGTVTLA AHEIAIQTAE LAIVIPLGIG 
301:	NVTVTRVGQT MGEKNPLGAR RAALIGIMIG GIYASAVALI FWLFPYQIAG LYLKINDPES 
361:	MEAVKTATTF LVLAGLFQFF YSIQIIIVGA LIGLQDTFMP LLMNLVSWGL GLAVSYYMGT 
421:	ILGWGGMGIW LGMVLSPLLS GVILMVRFYQ EIAKKIANSD DGEE