TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


2.A.63.2.1
The Na+:H+ antiporter, MrpA-G complex. Catalyzes Na+:H+ and Li+:H+ antiport. The MrpB subunit may have this transport activity by itself (Fukaya et al., 2009).

Accession Number:C7G3J1
Protein Name:Multiple resistance and pH regulation
Length:484
Molecular Weight:53325.00
Species:Aphanothece halophytica [72020]
Number of TMSs:16
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate lithium(1+), sodium(1+), hydron

Cross database links:

Pfam: PF00361   

Gene Ontology

GO:0008137 F:NADH dehydrogenase (ubiquinone) activity
GO:0048038 F:quinone binding
GO:0042773 P:ATP synthesis coupled electron transport

References (1)

[1] “An Mrp-like cluster in the halotolerant cyanobacterium Aphanothece halophytica functions as a Na+/H+ antiporter.”  Fukaya F.et.al.   19700555

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MEQITIVWIA LSFFTGFVSY LVPKLSRWLA LGIAFLSLGY SGLLFLEPSP VTIKLLDSFG 
61:	VTLIADQLSS FFILTNAVVT SAVIFYCWQS EKSAFFFMQL VILHGSVNAT FICADLISLY 
121:	VALEVISIGA FLVIAYPRSD RAIWVGLRYL FVSNTAMLFY LVGTGLVYKV NHSFSFAGLQ 
181:	DSPPDAIALI FLGLLVKGGI FFSGLWLPLT HSESESPVSA MLSGVVVKAG VFPLVRIALM 
241:	IDTINPIVRF FGVGTALLGV AYAVFEKDTK RMLAFHTISQ LGFVLAAPVV GGFYALTHGL 
301:	VKSALFLIAG VLPSRNFKEL QHQPIRTEIW IALVIASFSI SGFPLLSGFG AKVLTTKNLL 
361:	PWQVIGMNIA ALGTAISFAK FIFLPHETTS EKSGLKRGFW FAMVILLGGL VVANVFYYEA 
421:	YTLQNTIKPL ATIFLGWLVY LFLIKKMTIK LPRAIEQFDH LIGVMALMLI LLFWSLWTRS 
481:	PILI