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3.D.1.9.1
Hydrogenase 4, Hyf. Catalyzes H2 production and H+/K+ exchange (Bagramyan et al., 2001; 2002).

Accession Number:P77437
Protein Name:Hydrogenase-4 component F
Length:526
Molecular Weight:56767.00
Species:Escherichia coli (strain K12) [83333]
Number of TMSs:15
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate potassium(1+), hydron

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSYSVMFALL LLTPLLFSLL CFACRKRRLS ATRTVTVLHS LGITLLLILA LWVVQTAADA 
61:	GEIFAAGLWL HIDGLGGLFL AILGVIGFLT GIYSIGYMRH EVAHGELSPV TLCDYYGFFH 
121:	LFLFTMLLVV TSNNLIVMWA AIEATTLSSA FLVGIYGQRS SLEAAWKYII ICTVGVAFGL 
181:	FGTVLVYANA ASVMPQAEMA IFWSEVLKQS SLLDPTLMLL AFVFLLIGFG TKTGLFPMHA 
241:	WLPDAHSEAP SPVSALLSAV LLNCALLVLI RYYIIICQAI GSDFPNRLLL IFGMLSVAVA 
301:	AFFILVQRDI KRLLAYSSVE NMGLVAVELG IGGPLGIFAA LLHILNHSLA KTLLFCGSGN 
361:	VLLKYGTRDL NVVCGMLKIM PFTAVLFGGG ALALAGMPPF NIFLSEFMTI TAGLARNHLL 
421:	IIVLLLLLLT LVLAGLVRMA ARVLMAKPPQ AVNRGDLGWL TTSPMVILLV MMLAMGTHIP 
481:	QPVIRILAGA STIVLSGTHD LPAQRSTWHD FLPSGTASVS EKHSER