ID   CEMA_TETOB              Reviewed;         425 AA.
AC   Q1KVU2;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2006, 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   Tetradesmus obliquus (Green alga) (Acutodesmus obliquus).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Sphaeropleales; Scenedesmaceae; Tetradesmus.
OX   NCBI_TaxID=3088;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX 393;
RX   PubMed=16638149; DOI=10.1186/1471-2148-6-37;
RA   de Cambiaire J.-C., Otis C., Lemieux C., Turmel M.;
RT   "The complete chloroplast genome sequence of the chlorophycean green alga
RT   Scenedesmus obliquus reveals a compact gene organization and a biased
RT   distribution of genes on the two DNA strands.";
RL   BMC Evol. Biol. 6:37-37(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; DQ396875; ABD48265.1; -; Genomic_DNA.
DR   RefSeq; YP_635982.1; NC_008101.1.
DR   AlphaFoldDB; Q1KVU2; -.
DR   GeneID; 4099766; -.
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; 2.
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..425
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000293532"
FT   TRANSMEM        89..109
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        300..320
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        350..370
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        386..406
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   REGION          159..278
FT                   /note="Insert"
FT   REGION          173..192
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   425 AA;  49990 MW;  0C148C1EB24B71FE CRC64;
     MQYSSKKNSY EDQNFQNRFF NSLNGQNKSS LNQNSSFSES SKQQVVSITY EEIGLFPRSF
     NRVFDRFFKQ LFFDVENLVI QEYRFYRYLF LTTVKCLFIL LFVPLGINFL SKNYLIRPVT
     EYYWNTHNHE IFLNSYQQKR AFTELKNFEE KIYFESLLLS ENQIFFGLSE KNSTFPSSEK
     SQKSEHFSNQ DEHTNDFYGK PKKFQTDSSL QQKNEEKVFL FENSKSLAFE PNLNQIHSSG
     FLIASADFSK NEVQNFQNLN LSNNTSQSKT DFASVFRTSV QKRLQVKILE LAKHYNEESI
     EAITNFFADV LSFITLCYLL VRLEIQINIT KSFLLEVFFG LDDSKKSLLI LFITDLLVGY
     HSPNIWELFF QTLFDHYGLP ESQTTIFLLV ATLPVLLDVL FKYLIFRHLN RASPATVATY
     HAMIE