ID   CEMA_DAUCA              Reviewed;         229 AA.
AC   Q0G9V0;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 43.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Daucus carota (Wild carrot).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Apiales; Apiaceae; Apioideae; Scandiceae; Daucinae;
OC   Daucus; Daucus sect. Daucus.
OX   NCBI_TaxID=4039;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Danvers Half-long;
RX   PubMed=16945140; DOI=10.1186/1471-2164-7-222;
RA   Ruhlman T., Lee S.-B., Jansen R.K., Hostetler J.B., Tallon L.J., Town C.D.,
RA   Daniell H.;
RT   "Complete plastid genome sequence of Daucus carota: implications for
RT   biotechnology and phylogeny of angiosperms.";
RL   BMC Genomics 7:222-222(2006).
CC   -!- FUNCTION: May be involved in proton extrusion. Indirectly promotes
CC       efficient inorganic carbon uptake into chloroplasts.
CC       {ECO:0000255|HAMAP-Rule:MF_01308}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast inner membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01308}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01308}.
CC   -!- SIMILARITY: Belongs to the Cema family. {ECO:0000305}.
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DR   EMBL; DQ898156; ABI32436.1; -; Genomic_DNA.
DR   RefSeq; YP_740129.1; NC_008325.1.
DR   AlphaFoldDB; Q0G9V0; -.
DR   EnsemblPlants; KZM81234; KZM81234; DCAR_032496.
DR   GeneID; 4266755; -.
DR   Gramene; KZM81234; KZM81234; DCAR_032496.
DR   OMA; TQAFILM; -.
DR   OrthoDB; 1276845at2759; -.
DR   GO; GO:0009706; C:chloroplast inner membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0015078; F:proton transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01308; CemA; 1.
DR   InterPro; IPR004282; CemA.
DR   PANTHER; PTHR33650; PTHR33650; 1.
DR   Pfam; PF03040; CemA; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Hydrogen ion transport; Ion transport; Membrane; Plastid;
KW   Plastid inner membrane; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..229
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000275235"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        114..134
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        145..165
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        189..209
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   229 AA;  27151 MW;  CC37338AD9A86B71 CRC64;
     MSKKKAFTSL LYLASIVFLP WWISLSFNKS LESWVTDWWN TRQSEIFWND IQEKNIIKNF
     IELEEILLLE EMIKEDSETH LQNLRIGIHK ETLQLIKIHN EDHIHTILHF STNIICFVIL
     SGYSILGNEE LVILNSWAQE FIYNLSDTIK AFWILLLTDF FIGFHSTRGW ELMIGFVYKD
     FGFAHNDQIL SSLVCIFPVI LDTLFKFWVF RYLNCVSPSL VVIYHSMNE