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2.A.45.2.3
Putative ion transporter in magnetosome membranes of magentotactic bacteria, MamN of 437 aas and 10 TMSs (Murat et al. 2010). Uebe and Schüler 2016 considered that MamN might be a proton exporter that releases H+ from the magentosome matrix to the cytosol. 

Accession Number:Q6NE56
Protein Name:Magnetosome protein MamN
Length:437
Molecular Weight:46180.00
Species:Magnetospirillum gryphiswaldense [55518]
Number of TMSs:10
Substrate Fe3+

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MVGFITLAVF IATFAVIYRW AEGSHLAVLA GAAVLVVIGT ISGTYTPRMA VQSIYFETLA 
61:	LIFGMAAISA LLARSGVYAY LAAGTAELSQ GQGRWILVMM ALVTYGISLA SNSLITVAVV 
121:	VPVTLTVCFR TGIDPVPVII AEIIAANLGG SSTMIGDFPN MILASAGKLH FNDFIGGMMP 
181:	ACLILLAVTF LFFEYRQGDW KKAEIPVDLA WVRGEQLRYS DIDHRLLRYG LIIFFITVIG 
241:	LVLAGPLKVR PGWIAFVAGL TALALGRFKD EEFFSACGGS DILFFGGLFV MVGALTSVGI 
301:	LDWAVAWLEG VTAGHDRVRA ILLMWMAAGV TIFVGGGTSA AVFAPVAATL RLDGDGQAAW 
361:	WALALGIMAG SCAALSGATA GALAMNQYSG FVKRHPELAS AAAAGLQFTH REYVRWGLPL 
421:	MGIFLVLSTV YIAVLAG