MNHB1_STAA1
ID MNHB1_STAA1 Reviewed; 142 AA.
AC A7X0G1;
DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 25-MAY-2022, entry version 71.
DE RecName: Full=Na(+)/H(+) antiporter subunit B1;
DE AltName: Full=Mnh complex subunit B1;
GN Name=mnhB1; OrderedLocusNames=SAHV_0946;
OS Staphylococcus aureus (strain Mu3 / ATCC 700698).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=418127;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Mu3 / ATCC 700698;
RX PubMed=17954695; DOI=10.1128/aac.00534-07;
RA Neoh H.-M., Cui L., Yuzawa H., Takeuchi F., Matsuo M., Hiramatsu K.;
RT "Mutated response regulator graR is responsible for phenotypic conversion
RT of Staphylococcus aureus from heterogeneous vancomycin-intermediate
RT resistance to vancomycin-intermediate resistance.";
RL Antimicrob. Agents Chemother. 52:45-53(2008).
CC -!- FUNCTION: Mnh complex is a Na(+)/H(+) antiporter involved in Na(+)
CC excretion. {ECO:0000250}.
CC -!- SUBUNIT: May form a heterooligomeric complex that consists of seven
CC subunits: mnhA1, mnhB1, mnhC1, mnhD1, mnhE1, mnhF1 and mnhG1.
CC {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC protein {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the CPA3 antiporters (TC 2.A.63) subunit B
CC family. {ECO:0000305}.
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DR EMBL; AP009324; BAF77829.1; -; Genomic_DNA.
DR RefSeq; WP_001081626.1; NZ_CTYB01000024.1.
DR AlphaFoldDB; A7X0G1; -.
DR SMR; A7X0G1; -.
DR GeneID; 66839149; -.
DR KEGG; saw:SAHV_0946; -.
DR HOGENOM; CLU_101659_1_1_9; -.
DR OMA; HPGFLMP; -.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0015297; F:antiporter activity; IEA:UniProtKB-KW.
DR GO; GO:0008324; F:cation transmembrane transporter activity; IEA:InterPro.
DR GO; GO:0006814; P:sodium ion transport; IEA:UniProtKB-KW.
DR InterPro; IPR005281; CPA3_sub_B.
DR InterPro; IPR007182; MnhB.
DR Pfam; PF04039; MnhB; 1.
DR TIGRFAMs; TIGR00943; 2a6301s02; 1.
PE 3: Inferred from homology;
KW Antiport; Cell membrane; Hydrogen ion transport; Ion transport; Membrane;
KW Sodium; Sodium transport; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..142
FT /note="Na(+)/H(+) antiporter subunit B1"
FT /id="PRO_0000372108"
FT TRANSMEM 12..32
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 37..57
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 72..92
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 116..136
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 142 AA; 15682 MW; 4BF779759F08D24B CRC64;
MNRQQNDLIL QFAAVIIFFM VMVFGFSLFL AGHYTPGGGF VGGLLFASSL VIITIAFDIE
TMRKIFPLDF KILIGIGLVF CIATPIASWF LGKNFFTHVT FDIPLFILEP VHMTTAVFFD
FGVLCAVVGT VMTIIISIGE NE