ID   CEMA_PLAOC              Reviewed;         229 AA.
AC   Q09G34;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 40.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Platanus occidentalis (Sycamore) (American plane tree).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Proteales; Platanaceae; Platanus.
OX   NCBI_TaxID=4403;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16934154; DOI=10.1186/1471-2229-6-17;
RA   Moore M.J., Dhingra A., Soltis P.S., Shaw R., Farmerie W.G., Folta K.M.,
RA   Soltis D.E.;
RT   "Rapid and accurate pyrosequencing of angiosperm plastid genomes.";
RL   BMC Plant Biol. 6:17-17(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; DQ923116; ABI49790.1; -; Genomic_DNA.
DR   RefSeq; YP_740577.1; NC_008335.1.
DR   AlphaFoldDB; Q09G34; -.
DR   GeneID; 4271302; -.
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_0000293529"
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        154..174
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;  26896 MW;  F307E658656E142B CRC64;
     MPKKKAFTPL PYLASIVFLP WWISLSFNKS LESWITNWWN TRQSEIFLND IQEKNVLEKF
     IELEELFLLD EMIKEYPETH IQKLRIGIHK ETIELVKIHN EGHIHTILHF STNITCFAIL
     SGYSILGNEE LVILNSWLQE FLYNLSDTIK AFSILLLTDL CIGFHSPHGW ELMISSVYRD
     FGFAHNDPII SGLVSTFPVI LDTIFKYWIF RYLNRVSPSL VVIYHSMND