ID   CEMA_HORVU              Reviewed;         230 AA.
AC   A1E9K2;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   25-MAY-2022, entry version 48.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Hordeum vulgare (Barley).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum.
OX   NCBI_TaxID=4513;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Morex;
RX   PubMed=17534593; DOI=10.1007/s00122-007-0567-4;
RA   Saski C., Lee S.-B., Fjellheim S., Guda C., Jansen R.K., Luo H.,
RA   Tomkins J., Rognli O.A., Daniell H., Clarke J.L.;
RT   "Complete chloroplast genome sequences of Hordeum vulgare, Sorghum bicolor
RT   and Agrostis stolonifera, and comparative analyses with other grass
RT   genomes.";
RL   Theor. Appl. Genet. 115:571-590(2007).
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; EF115541; ABK79424.1; -; Genomic_DNA.
DR   RefSeq; YP_874664.1; NC_008590.1.
DR   AlphaFoldDB; A1E9K2; -.
DR   GeneID; 4525191; -.
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..230
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000293518"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        106..126
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        181..201
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   230 AA;  27103 MW;  D73EC57D2E45A299 CRC64;
     MKKKKALPSL LYLVFIVLLP WGVSSSFNKC LELWIKNWWN TRQSETLLTD IQEKRILERF
     IELEELSLLD EMIKGKLKTH VQKPPTGIHK EIIQWVKINN EDHLHIILHF STNIICLAIL
     SGSFFLGKEE LVILNSWVQE FFYNLNDSIK AFFILLVTDF FVGFHSTRGW ELVIRWVYND
     FGWAPNELIF TIFVCSFPVI LDTCLKFWVF FCLNRLSPSL VVIYHSISEA