ID   YCIB_BUCBP              Reviewed;         178 AA.
AC   Q89AL3;
DT   23-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT   23-MAY-2003, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Membrane-spanning protein YciB {ECO:0000255|HAMAP-Rule:MF_00189};
GN   Name=yciB {ECO:0000255|HAMAP-Rule:MF_00189}; OrderedLocusNames=bbp_255;
OS   Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=224915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Bp;
RX   PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA   van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA   Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA   Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT   "Reductive genome evolution in Buchnera aphidicola.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC   -!- FUNCTION: Plays a role in cell envelope biogenesis, maintenance of cell
CC       envelope integrity and membrane homeostasis. {ECO:0000255|HAMAP-
CC       Rule:MF_00189}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00189};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00189}.
CC   -!- SIMILARITY: Belongs to the YciB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00189}.
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DR   EMBL; AE016826; AAO26982.1; -; Genomic_DNA.
DR   RefSeq; WP_011091383.1; NC_004545.1.
DR   AlphaFoldDB; Q89AL3; -.
DR   STRING; 224915.bbp_255; -.
DR   EnsemblBacteria; AAO26982; AAO26982; bbp_255.
DR   GeneID; 56470797; -.
DR   KEGG; bab:bbp_255; -.
DR   eggNOG; COG2917; Bacteria.
DR   HOGENOM; CLU_089554_2_0_6; -.
DR   OMA; AWVNFKL; -.
DR   OrthoDB; 1886685at2; -.
DR   Proteomes; UP000000601; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00189; YciB; 1.
DR   InterPro; IPR006008; YciB.
DR   PANTHER; PTHR36917; PTHR36917; 1.
DR   Pfam; PF04279; IspA; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..178
FT                   /note="Membrane-spanning protein YciB"
FT                   /id="PRO_0000206529"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00189"
FT   TRANSMEM        52..72
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00189"
FT   TRANSMEM        76..96
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00189"
FT   TRANSMEM        121..141
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00189"
FT   TRANSMEM        151..171
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00189"
SQ   SEQUENCE   178 AA;  21197 MW;  361D46042DB45F62 CRC64;
     MKFLLNSIPT ISFFIFYKFY DIFIASFSLM IASLFTFIIT SILFNSINKH DLINLIFVIV
     FGFLTLFYHN SSYIKWKVTI IYFLISIVFL INYLFIKNNL LNIIFKNTIQ LSKNVWRKLS
     LFWSIFFLIC AVSNTYIILY FSEQTWVTFK IFGLTILTLI AVIINGFYIY FLKSKIIQ