ID   CEMA_CRYJA              Reviewed;         261 AA.
AC   B1VKB8;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 37.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Cryptomeria japonica (Japanese cedar) (Cupressus japonica).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers II; Cupressales; Cupressaceae;
OC   Cryptomeria.
OX   NCBI_TaxID=3369;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18570682; DOI=10.1186/1471-2229-8-70;
RA   Hirao T., Watanabe A., Kurita M., Kondo T., Takata K.;
RT   "Complete nucleotide sequence of the Cryptomeria japonica D. Don.
RT   chloroplast genome and comparative chloroplast genomics: diversified
RT   genomic structure of coniferous species.";
RL   BMC Plant Biol. 8:70-70(2008).
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; AP009377; BAG16629.1; -; Genomic_DNA.
DR   RefSeq; YP_001806631.1; NC_010548.1.
DR   AlphaFoldDB; B1VKB8; -.
DR   GeneID; 6166555; -.
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_0000346541"
FT   TRANSMEM        138..158
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        186..206
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;  30576 MW;  CCF3DC80A7490371 CRC64;
     MDLIPRSIIR TLFRFWTELT SQSSSLAIHE LEVAKYKTFA SLQYLTCLIV LPWAISISLQ
     NSLESWVTNW WNTGQSKKIF DYLQEENAIR KFEKIEELFL LEIMVKDYSE TPSQDIRVEM
     QKKMIQLVKI YNQDCIHIIS HLLANLIGLV LLSVCLILGK KKLGILNSWI QEVFYSLSDT
     MKAFSILLVT DLCIGFHSPH GWELMINWIF ENYGFAHNER IISGLVSTFP VILDTIFKYW
     IFRRLNRISP SLVVIYHSMN E