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3.A.1.12.7
High affinity (3 μM) choline-specific uptake system (Dupont et al., 2004)

Accession Number:Q8RPR1
Protein Name:ChoX
Length:309
Molecular Weight:32925.00
Species:Rhizobium meliloti (Sinorhizobium meliloti) [382]
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Peripheral membrane protein2
Substrate choline

Cross database links:

Pfam: PF04069   

Gene Ontology

GO:0005488 F:binding
GO:0005215 F:transporter activity
GO:0006810 P:transport

References (1)

[1] “The Sinorhizobium meliloti ABC transporter Cho is highly specific for choline and expressed in bacteroids from Medicago sativa nodules.”  Dupont L.et.al.   15342567

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MLAGAVCMAT LTAGSAFAAE PESCGTVRFS DVGWTDITAT TATATTILEA LGYETDVKVL 
61:	SVPVTYTSLK NKDIDVFLGN WMPTMEADIA PYREDKSVET VRENLAGAKY TLATNAKGAE 
121:	LGIKDFKDIA AHKDELDGKI YGIEPGNDGN RLIIDMVEKG TFDLKGFEVV ESSEQGMLAQ 
181:	VARAEKSGDP IVFLGWEPHP MNANFKLTYL SGGDDVFGPN YGGATVHTNV RAGYTTECPN 
241:	VGKLLQNLSF SLQMENEIMG KILNDGEDPE KAAAAWLKDN PQSIEPWLSG VATKDGGDGL 
301:	AAVKAALGL