ID   CEMA_PINTH              Reviewed;         261 AA.
AC   P52764;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 68.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308}; Synonyms=ycf10;
OS   Pinus thunbergii (Japanese black pine) (Pinus thunbergiana).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Pinus;
OC   Pinus subgen. Pinus.
OX   NCBI_TaxID=3350;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=7937893; DOI=10.1073/pnas.91.21.9794;
RA   Wakasugi T., Tsudzuki J., Ito S., Nakashima K., Tsudzuki T., Sugiura M.;
RT   "Loss of all ndh genes as determined by sequencing the entire chloroplast
RT   genome of the black pine Pinus thunbergii.";
RL   Proc. Natl. Acad. Sci. U.S.A. 91:9794-9798(1994).
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; D17510; BAA04359.1; -; Genomic_DNA.
DR   PIR; T07481; T07481.
DR   RefSeq; NP_042402.1; NC_001631.1.
DR   AlphaFoldDB; P52764; -.
DR   SMR; P52764; -.
DR   GeneID; 1457656; -.
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..261
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000216657"
FT   TRANSMEM        39..59
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        138..158
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        184..204
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        221..241
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   261 AA;  30234 MW;  A357AD3CFDA807A2 CRC64;
     MDPIPHSITR TLSRFRTELT SESGSLAIHE LEVSEYKASA SLRYLACLVV LPWVIPISLR
     KGLEPWVTNW WNTVKSQKIF DYLQEQNALG RFEKIEELFL LERMVEDSLG THSQSIRIEI
     HKETIQLVEM YNEDCIQIIS HLLTNLIGFA FISAYIILGK NKLAIINSWI QEFFYSLSDT
     MKAFLILLAT DLCIGFHSPH GWELMIDSIS ESYGFAHNER IISGLVSTFP VILDTILKYW
     IFRRFNRISP SLVVIYHSMN E