ID   CEMA_ZYGCR              Reviewed;         453 AA.
AC   Q32RG7;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 43.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Zygnema circumcarinatum (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Zygnemophyceae; Zygnematophycidae;
OC   Zygnematales; Zygnemataceae; Zygnema.
OX   NCBI_TaxID=35869;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16236178; DOI=10.1186/1741-7007-3-22;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The complete chloroplast DNA sequences of the charophycean green algae
RT   Staurastrum and Zygnema reveal that the chloroplast genome underwent
RT   extensive changes during the evolution of the Zygnematales.";
RL   BMC Biol. 3:22-22(2005).
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; AY958086; AAX45802.1; -; Genomic_DNA.
DR   RefSeq; YP_636559.1; NC_008117.1.
DR   AlphaFoldDB; Q32RG7; -.
DR   PRIDE; Q32RG7; -.
DR   GeneID; 4108262; -.
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..453
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000275253"
FT   TRANSMEM        235..255
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        328..348
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        378..398
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        414..434
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   453 AA;  52832 MW;  EE3541C7931AA60A CRC64;
     MCCYLNLLMI QFESSHICHW FWNTPYRALQ RAYKASKKVR NIHTNYIFCK SKPAFQRFGY
     NLDLYIDSIL DESSFQIYWG LLEFKASRFV LTKFSNLIFK HNFHLLTQTD GNKLFSNSFD
     REQSLLFCDI HSTSLKIINR KLAWIEAALA DLEMLRDNSS STSITPILNK VYNVSLPMSL
     DSTSKRVAYE SVGLVPRSIT RTFARFQTEL AGRSVSVVLP EFRLAKYQAT ASVQYMACLI
     FLPWVFSTIC KIIFLQPLVS HYWDTMQTQV FFNASQEQRA LRRLQQIEEL LWLDIVIASV
     PNKHLQDIAG EIHNKTLELV DIYNRESICT ILNLLTDWIS ITCLACLLTW GKKRLAIFNS
     WIQELFYSLS DTMKAFFILL LTDLCIGFHS PHGWEIIITL FLEHIGFAHN KYVVSCFVST
     FPVILDTVLK YWIFRHLNRI SPSIVVTYHT MNE