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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:P77668
Protein Name:Hydrogenase-4 component I
Length:252
Molecular Weight:28101.00
Species:Escherichia coli (strain K12) [83333]
Substrate potassium(1+), hydron

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSPVLTQHVS QPITLDEQTQ KMKRHLLQDI RRSAYVYRVD CGGCNACEIE IFAAITPVFD 
61:	AERFGIKVVS SPRHADILLF TGAVTRAMRM PALRAYESAP DHKICVSYGA CGVGGGIFHD 
121:	LYSVWGGSDT IVPIDVWIPG CPPTPAATIH GFAVALGLLQ QKIHAVDYRD PTGVTMQPLW 
181:	PQIPPSQRIA IEREARRLAG YRQGREICDR LLRHLSDDPT GNRVNTWLRD ADDPRLNSIV 
241:	QQLFRVLRGL HD