ID   CEMA_ACOCL              Reviewed;         229 AA.
AC   Q3V523;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 41.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Acorus calamus (Sweet flag).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Acoraceae; Acorus.
OX   NCBI_TaxID=4465;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15930156; DOI=10.1093/molbev/msi173;
RA   Goremykin V.V., Holland B., Hirsch-Ernst K.I., Hellwig F.H.;
RT   "Analysis of Acorus calamus chloroplast genome and its phylogenetic
RT   implications.";
RL   Mol. Biol. Evol. 22:1813-1822(2005).
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; AJ879453; CAI53805.1; -; Genomic_DNA.
DR   RefSeq; YP_319776.1; NC_007407.1.
DR   AlphaFoldDB; Q3V523; -.
DR   SMR; Q3V523; -.
DR   GeneID; 3677511; -.
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_0000293507"
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        141..163
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;  26920 MW;  DFFA208A26446D62 CRC64;
     MPKKKGFTPL PYLASIVFLP WWVSLSFNKS LEPWVTNWWN TRQSETFLND IQERNVLERF
     IELEELFLLD EMLKENPETR MKNLRIGIHN ETIQLVKTDN EYHLHTILHF STNIICFAIL
     SVYSILGNEE LVILNSWVQE FLYNLSDTIK AFSILLVTDL WIGFHSPHGW ELMIGSVYND
     FGLAHNEQII SGLVSTFPVI LDTIVKYWIF HYLNRVSPSL VVIYHSMND