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2.A.56.3.4
The 2-ketomonocarboxylate transporter (presented in order of affinity - 2-oxovalerate [highest affinity, KD=0.1 μM], 2-oxoisovalerate, 2-oxobutyrate, 2-oxoisocaproate, 2-oxo-3-methylvalerate, pyruvate [lowest affinity, KD=3 μM]) (Thomas et al., 2006).

Accession Number:D5ALT6
Protein Name:TRAP dicarboxylate transporter, DctP-2 subunit
Length:365
Molecular Weight:39823.00
Species:Rhodobacter capsulatus (strain ATCC BAA-309 / NBRC 16581 / SB1003) [272942]
Substrate 3-methyl-2-oxovalerate, 4-methyl-2-oxopentanoic acid, 3-methyl-2-oxobutanoate, pyruvate, 2-oxobutanoate

Cross database links:

Entrez Gene ID: 9005236   
Pfam: PF03480   
KEGG: rcp:RCAP_rcc024   

Gene Ontology

GO:0030288 C:outer membrane-bounded periplasmic space
GO:0006810 P:transport

References (1)

[1] “Complete genome sequence of the photosynthetic purple nonsulfur bacterium Rhodobacter capsulatus SB 1003.”  Strnad H.et.al.   20418398

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MDRRSFLTKA AIGGAAATTL ATPALAQSMP KVTWRLTSSF PKSLDTIYGG AEVLSKMVSE 
61:	ASDGNFQIQV FAAAEIVPGL QAADATAAGT VEACHTVGYY YWGKDPAWAL GAAVPFGLSA 
121:	RGMNAWQYHG GGIDLYNEFL ATQGLIGFPG GNTGAQMGGW FRKEINTVAD LSGLKMRVGG 
181:	FAGKVMEKLG LVPQQVAGGD IYPALEKGTL DATEWVGPYD DEKLGFYKVA PYYYYPGWWE 
241:	GGPTVHFMFN KAAYEGLPKA YQALLRTACQ AEDADMLQKY DYKNPLALKS LVANGAQLRP 
301:	FSQEILEACF NAAQEVYAEM TATNPAFKKI YDSMVAFRAD HYLWTQVAEY NYDTFMMIQQ 
361:	RNGKI