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2.A.63.1.1
Multicomponent K+:H+ antiporter, PhaABCDEFG. Can also transport Na+ (Yamaguchi et al., 2009).

Accession Number:Q52978
Protein Name:PhaA
Length:999
Molecular Weight:108790.00
Species:Rhizobium meliloti (Sinorhizobium meliloti) [382]
Number of TMSs:25
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate sodium(1+), potassium(1+), hydron

Cross database links:

RefSeq: NP_387016.1   
Entrez Gene ID: 1234587   
Pfam: PF04039    PF00361    PF00662   
BioCyc: SMEL266834:SMC03179-MONOMER   
KEGG: sme:SMc03179   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015297 F:antiporter activity
GO:0015077 F:monovalent inorganic cation transmembrane t...
GO:0008137 F:NADH dehydrogenase (ubiquinone) activity
GO:0042773 P:ATP synthesis coupled electron transport
GO:0030004 P:cellular monovalent inorganic cation homeos...
GO:0006813 P:potassium ion transport
GO:0015992 P:proton transport

References (2)

[1] “The pha gene cluster of Rhizobium meliloti involved in pH adaptation and symbiosis encodes a novel type of K+ efflux system.”  Putnoky P.et.al.   9680201
[2] “Analysis of the chromosome sequence of the legume symbiont Sinorhizobium meliloti strain 1021.”  Capela D.et.al.   11481430

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MTRPASVLAG PKSRPPIHSQ GDKTIEYAEK LLSVFILVPF AGSLIAIFFP SDQRGAISWF 
61:	AGAIALVCFL VTAGLYPYVA SGGVLHYRID WVPELGLNFT LRMDGFAWLF SALITAIGVL 
121:	VALYARYYMA EEDPVPRFFA LFLAFMGSML GVVLSGNLIL LAVFWELTSI VSFLLIGYWH 
181:	HNAHARDGAR MALTITGTGG LAMFVGLIII GKIVGSYELD AVLASGDAIR NHPLYGTVLV 
241:	LVLLGALTKS AQFPFHFWLP HAMAAPTPVS AYLHSATMVK AGVFLLVRFW PVMAGTEAWF 
301:	WIVGLAGLTT LLLGAYFAIF QQDLKGLLAY STISHLGLIT VLLSLGSPLA AVAAVFHIVN 
361:	HATFKASLFM AAGIIDHESG TRDIRRLGGL FHFMPITATL AMVASAAMAG VPLLNGFLSK 
421:	EMFFAEAIET HLVNPLDTVT PYVATIAGMF AVTYSLRFIH GVFFGRPPAD LPRKPHEPPR 
481:	WMRAPLDFLV LACLVVGIIP AQTIGPFLHT AVLSVLREGT PDYSLSVWHG WNIPLIMSFV 
541:	ALSGGIGLYF LMRSYLATAV EGPPVFRLLQ GQRIFERVLV TLSWKWARWL EQRLGTRRLQ 
601:	PQMRLLVFLA LAAGASPLLL GNFELPPLVI RGIDPAFALL WAIGIACAIG SAYQAKFHRL 
661:	ASLVLLGGAG LVTCITFVWL SAPDLAVTQL LVEIVTTVLI LLGLRWLPKR IEEPVAAEDI 
721:	SIRVRLRRLR DLLLAIGAGG GMMLIAYTVM TRPLPETIAS YFLERAYREG GGTNVVNVIL 
781:	VDFRGFDTLG EIAVLCIVAL TVFALLLRFR PQSDSLEAPE QQKVQNAFDD DHPDRAAGDS 
841:	VAEYLFIPAV IMRWMFPVTG MLAAFLFLRG HDLPGGGFAA GIAMSIGFIL QYMSGGTRWV 
901:	EERLRIHPLR WMSIGLLVAT ATGVGSWFFG YPFLTSHAQY ASLPVVGKFP LASAILFDLG 
961:	VFSLVLGATV LILIALAHQS VRAPRAHAKA ARSDKEAVR