ID   CEMA_MARPO              Reviewed;         434 AA.
AC   P12211;
DT   01-OCT-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1989, sequence version 1.
DT   25-MAY-2022, entry version 85.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308}; Synonyms=ycf10;
OS   Marchantia polymorpha (Liverwort) (Marchantia aquatica).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Marchantiophyta;
OC   Marchantiopsida; Marchantiidae; Marchantiales; Marchantiaceae; Marchantia.
OX   NCBI_TaxID=3197;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3199436; DOI=10.1016/0022-2836(88)90003-4;
RA   Fukuzawa H., Kohchi T., Sano T., Shirai H., Umesono K., Inokuchi H.,
RA   Ozeki H., Ohyama K.;
RT   "Structure and organization of Marchantia polymorpha chloroplast genome.
RT   III. Gene organization of the large single copy region from rbcL to
RT   trnI(CAU).";
RL   J. Mol. Biol. 203:333-351(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   DOI=10.1038/322572a0;
RA   Ohyama K., Fukuzawa H., Kohchi T., Shirai H., Sano T., Sano S., Umesono K.,
RA   Shiki Y., Takeuchi M., Chang Z., Aota S., Inokuchi H., Ozeki H.;
RT   "Chloroplast gene organization deduced from complete sequence of liverwort
RT   Marchantia polymorpha chloroplast DNA.";
RL   Nature 322:572-574(1986).
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; X04465; CAA28096.1; -; Genomic_DNA.
DR   PIR; S01533; A05046.
DR   RefSeq; NP_039310.1; NC_001319.1.
DR   AlphaFoldDB; P12211; -.
DR   GeneID; 2702599; -.
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..434
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000216647"
FT   TRANSMEM        210..230
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        311..331
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        359..379
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        395..415
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   434 AA;  51867 MW;  94152A80AB62323C CRC64;
     MKKNFSYWRI FHHIFALPYC SLEKAYKASK RIQKIKKDYF LYKNILFSSK RSWQSILFYI
     DTELNNSVFK IYLSLLEYKL SLWLIQLFLI FSLFFKKNSK FDLILPNINE KKKKRKINRK
     LAWIRATLND LESWRRYYLF SSFLSLDKKE KNNFSFLQMK SSRLTAIAYE SIGLVPRSIT
     RTFSRFKAEL TNQSSSLVLK EFRLAKYQAL ASLQYIGCLF FIPLGVSFFF QKCFLEPWIQ
     NWWNIYQSQI FLTSFQEEKA LKKLQEIEEL FWLDKVMTYS SNKIQLQDLT KEIHQQTIEL
     VQIYNNDSIK IVLHLLTDLI WFITLSCLFI LGKERLVILN SWAQELFYSL SDTMKAFFIL
     LLTDLCIGFH SPHGWEIVIS SCLEHFGFVH NKHVISCFVS TFPVILDTVF KYLIFRHLNR
     ISPSIVATYH TMNE