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2.A.56.2.1
TRAP transporter for a hydrophobic substrate (3-d structure known; tp0958 has 18-20 TMSs) (Deka et al., 2012). The substrate could be a lipoprotein, tp0956 (O83922) which is encoded in the same operon with tp0957 and tp058. This protein differs from all other members of the TRAP-T family in having 19 predicted TMSs with extra TMSs at its N-terminus.

Accession Number:O83924
Protein Name:Dicarboxylate transporter (DctM)
Length:632
Molecular Weight:67614.00
Species:Treponema pallidum (strain Nichols) [243276]
Number of TMSs:19
Substrate ectoine, 5-hydroxyectoine

Cross database links:

Entrez Gene ID: 2611398   
Pfam: PF06808    PF04290   
KEGG: tpa:TP0958    tpa:TP0958   

Gene Ontology

GO:0016021 C:integral to membrane

References (2)

[1] “Complete genome sequence of Treponema pallidum, the syphilis spirochete.”  Fraser C.M.et.al.   9665876
[2] “Complete genome sequence of Treponema pallidum, the syphilis spirochete.”  Fraser C.M.et.al.   9665876

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKGTRGQLVL RSIALLLIGT LMLLPLVLFL IERIFGFLTR GVGSEVFSAH EDFIFLFFSS 
61:	SDAAVAQLAF VFSCVAGIYA ARERKHLSVT LFSCDVDRPM HRVLSFLSAI CTVAVLSACF 
121:	FASGPNIVAV FRKEEAVWGV PLRWIFTALP CMYGALLFHY AREVKCRTCV IVGLLVGVLI 
181:	STGSIASVLF HLFDLTVPLL DSVFHGWVAV GTRLFWPFVL LLLLLAAQGL PLFITLLAIA 
241:	YLALSVDGGY VDTLPLEGYK ILTDTGGIVA VPLFATASLL LARGSTGTRL LRLVKEAVGW 
301:	LRGGAAVACV AVAALFTSLT GVSGVTILAL GSLFKLILTG NKYPEHDAEA LITSSGAIGL 
361:	LFPPSAAIII FGATNILTVH IVDLFKGALL PGTLLVLSAM CLGVAKDRTQ VRPSFSWQLL 
421:	VHAVRGSVFD LALPVCISLG YFSGTLNLLQ CASLTTLLAF VLGTWVRRDF TVKEACATAL 
481:	ESLPIVGGIL IIVAAAKGLS FYLVDANVPD TLIAFLQHAI SSKYAFLLLL NVLLLGVGCI 
541:	MDLYSAILVI SPLVLPLAVH FGVHPVHASV VFLMNLELGA LTPPIGMNLF IASFAFEKPI 
601:	VYLTRAIAPF LLAQLGVLLL TTYIPWLSTA FL