ID   MDTB_KLEP7              Reviewed;        1040 AA.
AC   A6TBH4;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=Multidrug resistance protein MdtB {ECO:0000255|HAMAP-Rule:MF_01423};
DE   AltName: Full=Multidrug transporter MdtB {ECO:0000255|HAMAP-Rule:MF_01423};
GN   Name=mdtB {ECO:0000255|HAMAP-Rule:MF_01423};
GN   OrderedLocusNames=KPN78578_24840; ORFNames=KPN_02527;
OS   Klebsiella pneumoniae subsp. pneumoniae (strain ATCC 700721 / MGH 78578).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=272620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700721 / MGH 78578;
RG   The Klebsiella pneumonia Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Spieth J., Clifton W.S., Latreille P.,
RA   Sabo A., Pepin K., Bhonagiri V., Porwollik S., Ali J., Wilson R.K.;
RL   Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- SUBUNIT: Part of a tripartite efflux system composed of MdtA, MdtB and
CC       MdtC. MdtB forms a heteromultimer with MdtC. {ECO:0000255|HAMAP-
CC       Rule:MF_01423}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01423}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01423}.
CC   -!- SIMILARITY: Belongs to the resistance-nodulation-cell division (RND)
CC       (TC 2.A.6) family. MdtB subfamily. {ECO:0000255|HAMAP-Rule:MF_01423}.
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DR   EMBL; CP000647; ABR77945.1; -; Genomic_DNA.
DR   RefSeq; WP_004149055.1; NC_009648.1.
DR   AlphaFoldDB; A6TBH4; -.
DR   SMR; A6TBH4; -.
DR   STRING; 272620.KPN_02527; -.
DR   EnsemblBacteria; ABR77945; ABR77945; KPN_02527.
DR   KEGG; kpn:KPN_02527; -.
DR   HOGENOM; CLU_002755_1_2_6; -.
DR   OMA; FIIPCFY; -.
DR   Proteomes; UP000000265; Chromosome.
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:0022857; F:transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.2090.10; -; 2.
DR   HAMAP; MF_01423; MdtB; 1.
DR   InterPro; IPR027463; AcrB_DN_DC_subdom.
DR   InterPro; IPR001036; Acrflvin-R.
DR   InterPro; IPR022831; Multidrug-R_MdtB.
DR   PANTHER; PTHR32063; PTHR32063; 1.
DR   Pfam; PF00873; ACR_tran; 1.
DR   PRINTS; PR00702; ACRIFLAVINRP.
DR   SUPFAM; SSF82714; SSF82714; 2.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Reference proteome;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..1040
FT                   /note="Multidrug resistance protein MdtB"
FT                   /id="PRO_1000024304"
FT   TRANSMEM        16..36
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        342..362
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        369..389
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        396..416
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        440..460
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        472..492
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        537..557
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        863..883
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        888..908
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        911..931
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        968..988
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
FT   TRANSMEM        998..1018
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01423"
SQ   SEQUENCE   1040 AA;  112241 MW;  0475879F02F2B231 CRC64;
     MQVLPPGRTG GPSRLFIMRP VATTLLMVAI LLAGIIGYRF LPVSALPEVD YPTIQVVTLY
     PGASPDVVTS AITAPLERQF GQMSGLKQMS SQSSGGASVV TLQFQLTLPL DVAEQEVQAA
     INAATNLLPS DLPNPPVYSK VNPADPPIMT LAVTSSAIPM TQVEDMVETR VAQKISQVSG
     VGLVTLAGGQ RPAVRVKLNA QAIAALGLTS ETVRTAITSA NVNSAKGSLD GPARAVTLSA
     NDQMQSAEDY RRLIIAYQNG APIRLGDVAS VEQGAENSWL GAWANQQRAI VMNVQRQPGA
     NIIDTADSIR QMLPQLTESL PKSVKVQVLS DRTTNIRASV RDTQFELMLA IALVVMIIYL
     FLRNVPATII PGVAVPLSLV GTFAVMVFLD FSINNLTLMA LTIATGFVVD DAIVVIENIS
     RYIEKGEKPL AAALKGAGEI GFTIISLTFS LIAVLIPLLF MGDIVGRLFR EFAVTLAVAI
     LISAVVSLTL TPMMCARMLS HESLRKQNRF SRASERFFER VIAVYGRWLS RVLNHPWLTL
     GVALSTLALS IILWVFIPKG FFPIQDNGII QGTLQAPQSV SFASMAERQR QVASIILKDP
     AVESLTSFVG VDGTNPALNS ARLQINLKPL DERDDRVQTV ISRLQQAVDG VPGVALYLQP
     TQDLTIDTTV SRTQYQFTLQ ANSLEALSTW VPPLLSRLQA QPQLADVSSD WQDKGLAAYI
     KVDRDSASRL GISMADVDNA LYNAFGQRLI STIYTQANQY RVVLEQDTEA TPGLAALENI
     RLTSSDGGIV PLTAIATVEQ RFTPLSVNHL DQFPVTTISF NVPDNYSLGE AVEAILAAEQ
     SLDFPTDIRT QFQGSSLAFQ SALGSTVWLV VAAVVAMYIV LGVLYESFIH PITILSTLPT
     AGVGALLALW LAGSELDVIA IIGIILLIGI VKKNAIMMID FALAAEREQG MPPREAIYQA
     CLLRFRPILM TTLAALLGAL PLMLSTGVGA ELRRPLGIGM VGGLMLSQVL TLFTTPVIYL
     LFDRLSLHLK RRFPRQEEEA