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3.D.7.2.1
Membrane-bound H2 oxidizing hydrogenase, HydAB (Guiral et al., 2005). HydC has not been identified, but adjacent to hydB is an open reading frame (ORF; AAC07057; 226aas) showing similarity to cytochromes that could be HydC.

Accession Number:O67095
Protein Name:HydB aka MbhS2
Length:349
Molecular Weight:38187.00
Species:Aquifex aeolicus [63363]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate hydron

Cross database links:

RefSeq: NP_213658.1   
Entrez Gene ID: 1193637   
Pfam: PF01058   
BioCyc: AAEO224324:AQ_965-MONOMER   
KEGG: aae:aq_965   

Gene Ontology

GO:0009375 C:ferredoxin hydrogenase complex
GO:0051539 F:4 iron, 4 sulfur cluster binding
GO:0008901 F:ferredoxin hydrogenase activity
GO:0008137 F:NADH dehydrogenase (ubiquinone) activity
GO:0048038 F:quinone binding
GO:0055114 P:oxidation reduction

References (1)

[1] “The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.”  Deckert G.et.al.   9537320

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MESLYEIFKR KGYSRRDFLK FSLAVSAFLG LPPSLYPKVA QALEKKEKPV VIWLEFQDCA 
61:	GCSESFIRST TLLPTEVLLD YISLEYHETL MAPSGFYAEE AREEAIKKYK GKYVLVVEGS 
121:	PTPADGGVYC TVGGKSSVDI LRETAEHAAF VIAVGSCASW GGIPKASPNP TGAVPVYEIV 
181:	KDKPVVNVPG CPPIGDVMVA TIVHFLALGK LPPLDELGRP KQFYGETIHD RCYRRAFYNS 
241:	GQFAESFDDE KARKGYCLYK LGCKGPITRN ACASMRWNGG LSFPIQSGHP CFGCSEPDFW 
301:	DRGFIYNPLS VMEGYSGISD TLKGVGIGAA VGIGIGVLNK LINKKKEEK