ID   CEMA_PHAAO              Reviewed;         229 AA.
AC   Q3BAM9;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, 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   Phalaenopsis aphrodite subsp. formosana (Moth orchid).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Asparagales; Orchidaceae;
OC   Epidendroideae; Vandeae; Aeridinae; Phalaenopsis.
OX   NCBI_TaxID=308872;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Taisugar TS-97;
RX   PubMed=16207935; DOI=10.1093/molbev/msj029;
RA   Chang C.-C., Lin H.-C., Lin I.-P., Chow T.-Y., Chen H.-H., Chen W.-H.,
RA   Cheng C.-H., Lin C.-Y., Liu S.-M., Chang C.-C., Chaw S.-M.;
RT   "The chloroplast genome of Phalaenopsis aphrodite (Orchidaceae):
RT   comparative analysis of evolutionary rate with that of grasses and its
RT   phylogenetic implications.";
RL   Mol. Biol. Evol. 23:279-291(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; AY916449; AAW82512.1; -; Genomic_DNA.
DR   RefSeq; YP_358589.1; NC_007499.1.
DR   AlphaFoldDB; Q3BAM9; -.
DR   SMR; Q3BAM9; -.
DR   GeneID; 3741691; -.
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_0000275247"
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        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;  27129 MW;  C51934F9579247CA CRC64;
     MKKKKALASL PYLVSIIFLP WWVSLSFNKC LETWVINWWN TRQSEIPLND IQDKNVLEKF
     MELEELFLLD EMIKEYSETH MQRLHIGMHK ETIQLVQRQN ESHFHIILHF STNLICFAIL
     SGYFFLGNKE LFIFNSWIQE FLYNLSDTIK AFSILLVTDL WIGFHSTHGW ELMIGSIYND
     FGLAQNDQII SGLVSTFPVI LDTIVKYWIF HFLNRVSPSL VVIYHSMNE