ID   CEMA_AMBTC              Reviewed;         229 AA.
AC   Q70XZ1;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Amborella trichopoda.
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Amborellales; Amborellaceae; Amborella.
OX   NCBI_TaxID=13333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12832641; DOI=10.1093/molbev/msg159;
RA   Goremykin V.V., Hirsch-Ernst K.I., Wolfl S., Hellwig F.H.;
RT   "Analysis of the Amborella trichopoda chloroplast genome sequence suggests
RT   that Amborella is not a basal angiosperm.";
RL   Mol. Biol. Evol. 20:1499-1505(2003).
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; AJ506156; CAD45119.1; -; Genomic_DNA.
DR   RefSeq; NP_904111.1; NC_005086.1.
DR   AlphaFoldDB; Q70XZ1; -.
DR   SMR; Q70XZ1; -.
DR   GeneID; 2546502; -.
DR   KEGG; atr:2546502; -.
DR   OrthoDB; 1276845at2759; -.
DR   Proteomes; UP000017836; Chloroplast.
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; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..229
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000216631"
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        189..209
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   229 AA;  26773 MW;  37CAC06070B24F5A CRC64;
     MSKKKALTSL PYLASIVFLP WGISLSFNKS LEPWVTNWWN TSQYETLLNE IQENNVLERF
     IELEELFLLD EMIRDYPETH IQKLRIGIHK ETIELVKMYN QDYIHIISHF STNIMSFAIL
     SAYSILGNEE LVTLNSWVQE FFYNLSDTIK AFSILLLTDS CIGFHSPHGW ELMIGSVYKD
     FGFSHNDQII SGLVSTFPVI LDTILKYWIF HHLNRISPSL VVIYHSMNE