ID   CEMA_SACHY              Reviewed;         230 AA.
AC   Q6L388;
DT   27-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 53.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308}; OrderedLocusNames=PS135;
OS   Saccharum hybrid (Sugarcane).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Saccharinae; Saccharum;
OC   unclassified Saccharum.
OX   NCBI_TaxID=15819;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. SP-80-3280;
RX   PubMed=15526204; DOI=10.1007/s00294-004-0542-4;
RA   Calsa T. Jr., Carraro D.M., Benatti M.R., Barbosa A.C., Kitajima J.P.,
RA   Carrer H.;
RT   "Structural features and transcript-editing analysis of sugarcane
RT   (Saccharum officinarum L.) chloroplast genome.";
RL   Curr. Genet. 46:366-373(2004).
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; AE009947; AAT44704.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6L388; -.
DR   SMR; Q6L388; -.
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_0000216660"
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;  27155 MW;  168A4DCD3BFDF5D2 CRC64;
     MKKKKALPSF LYLVFIVLLP WGVSFSFNKC LELWIKNWWN TRQSETFLTD IQEKRILEGF
     IELEELFLLD EMIKEKPKTH VQKLPIGIHK EIIQLAKIDN EDHLHIILHF STNIICLAIL
     SGSFFLGKEE LVILNSWVQE FFYNLNDSIK AFFILLVTDF FVGFHSTRGW ELLIRWVYNN
     LGWAPNELIF TIFVCSFPVI LDTCLKFWVF FCLNRLSPSL VVIYHSISEA