MSBA_METCA
ID MSBA_METCA Reviewed; 601 AA.
AC Q60AA3;
DT 01-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT 23-NOV-2004, sequence version 1.
DT 03-AUG-2022, entry version 103.
DE RecName: Full=ATP-dependent lipid A-core flippase {ECO:0000255|HAMAP-Rule:MF_01703};
DE EC=7.5.2.6 {ECO:0000255|HAMAP-Rule:MF_01703};
DE AltName: Full=Lipid A export ATP-binding/permease protein MsbA {ECO:0000255|HAMAP-Rule:MF_01703};
GN Name=msbA {ECO:0000255|HAMAP-Rule:MF_01703}; OrderedLocusNames=MCA0964;
OS Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales;
OC Methylococcaceae; Methylococcus.
OX NCBI_TaxID=243233;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT "Genomic insights into methanotrophy: the complete genome sequence of
RT Methylococcus capsulatus (Bath).";
RL PLoS Biol. 2:1616-1628(2004).
CC -!- FUNCTION: Involved in lipopolysaccharide (LPS) biosynthesis.
CC Translocates lipid A-core from the inner to the outer leaflet of the
CC inner membrane. Transmembrane domains (TMD) form a pore in the inner
CC membrane and the ATP-binding domain (NBD) is responsible for energy
CC generation. {ECO:0000255|HAMAP-Rule:MF_01703}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + lipid A-core oligosaccharideSide 1 = ADP +
CC phosphate + lipid A-core oligosaccharideSide 2.; EC=7.5.2.6;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01703};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01703}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_01703}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01703}.
CC -!- DOMAIN: In MsbA the ATP-binding domain (NBD) and the transmembrane
CC domain (TMD) are fused. {ECO:0000255|HAMAP-Rule:MF_01703}.
CC -!- SIMILARITY: Belongs to the ABC transporter superfamily. Lipid exporter
CC (TC 3.A.1.106) family. {ECO:0000255|HAMAP-Rule:MF_01703}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AE017282; AAU92729.1; -; Genomic_DNA.
DR RefSeq; WP_010960270.1; NC_002977.6.
DR AlphaFoldDB; Q60AA3; -.
DR SMR; Q60AA3; -.
DR STRING; 243233.MCA0964; -.
DR EnsemblBacteria; AAU92729; AAU92729; MCA0964.
DR KEGG; mca:MCA0964; -.
DR eggNOG; COG1132; Bacteria.
DR HOGENOM; CLU_000604_84_3_6; -.
DR OMA; FNTLQMG; -.
DR OrthoDB; 643917at2; -.
DR Proteomes; UP000006821; 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:0140359; F:ABC-type transporter activity; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0034040; F:ATPase-coupled lipid transmembrane transporter activity; IEA:InterPro.
DR Gene3D; 1.20.1560.10; -; 1.
DR Gene3D; 3.40.50.300; -; 1.
DR InterPro; IPR003593; AAA+_ATPase.
DR InterPro; IPR011527; ABC1_TM_dom.
DR InterPro; IPR036640; ABC1_TM_sf.
DR InterPro; IPR003439; ABC_transporter-like_ATP-bd.
DR InterPro; IPR017871; ABC_transporter-like_CS.
DR InterPro; IPR011917; ABC_transpr_lipidA.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR039421; Type_1_exporter.
DR PANTHER; PTHR24221; PTHR24221; 1.
DR Pfam; PF00664; ABC_membrane; 1.
DR Pfam; PF00005; ABC_tran; 1.
DR SMART; SM00382; AAA; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR SUPFAM; SSF90123; SSF90123; 1.
DR TIGRFAMs; TIGR02203; MsbA_lipidA; 1.
DR PROSITE; PS50929; ABC_TM1F; 1.
DR PROSITE; PS00211; ABC_TRANSPORTER_1; 1.
DR PROSITE; PS50893; ABC_TRANSPORTER_2; 1.
DR PROSITE; PS51239; MSBA; 1.
PE 3: Inferred from homology;
KW ATP-binding; Cell inner membrane; Cell membrane; Lipid transport; Membrane;
KW Nucleotide-binding; Reference proteome; Translocase; Transmembrane;
KW Transmembrane helix; Transport.
FT CHAIN 1..601
FT /note="ATP-dependent lipid A-core flippase"
FT /id="PRO_0000092588"
FT TRANSMEM 33..53
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT TRANSMEM 72..92
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT TRANSMEM 158..178
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT TRANSMEM 255..275
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT TRANSMEM 283..303
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT DOMAIN 34..315
FT /note="ABC transmembrane type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT DOMAIN 347..583
FT /note="ABC transporter"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
FT BINDING 381..388
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01703"
SQ SEQUENCE 601 AA; 65686 MW; 290174A90ACBD2C9 CRC64;
MKHSASESKP LSSGLAIYRR LLRYGFPYWR SFCVAVVAMI AYAAITPFFA KLIQPLIDGS
FIDNDPTVLR QVSLMLIGLS VLRGIAGFLS EYCSGSVGRR VIADLRRDIF DQLLNLPCSF
YDNASGGQLL SKLLYNTEQV SASLQQGIIT CIREGFTVIG LMALMVYQNP VLSLVFLVLG
PVLGLSVRFV SKRFRRLSMR IQESMGKVSH VTQEVIDAQR IVKVFNGKDY EAAKFATEND
RNQKRQMKLI ATDALGGGVI HLISVAGVAG ILYVVSLDSV RQTITPGSLM AFIAAMAMML
SPIRRLSQVV SVMQRGIAAG DSIFAMLDLP RERDRGRISL KRARGSIEYR HVSLVYDDRH
GAAVDDVSLV IPAGKTVALV GQSGSGKTSL VRLLPRLYEA TAGEILIDGH DIRELTLESL
RRQIAYVGQE VTLFNDTVAS NIAYGCLDRV GLDAVREAAR AANALDFIET LPQGFDTLVG
QQGIVLSGGQ RQRIAIARAL LKNAPILILD EATSALDAES ERYVQQALEV LMQNRTTLVI
AHRLSTIQNA DQICVMRGGR IIECGTHAQL MAARGGYADL YAMQFGYSSV PEAVAVHAVR
R
