ID   CEMA_CHAVU              Reviewed;         419 AA.
AC   Q1ACJ1;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 39.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Chara vulgaris (Common stonewort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Charophyceae; Charales; Characeae;
OC   Chara.
OX   NCBI_TaxID=55564;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16611644; DOI=10.1093/molbev/msk018;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The chloroplast genome sequence of Chara vulgaris sheds new light into the
RT   closest green algal relatives of land plants.";
RL   Mol. Biol. Evol. 23:1324-1338(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; DQ229107; ABA61908.1; -; Genomic_DNA.
DR   RefSeq; YP_635756.1; NC_008097.1.
DR   AlphaFoldDB; Q1ACJ1; -.
DR   SMR; Q1ACJ1; -.
DR   GeneID; 4100278; -.
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..419
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000275231"
FT   TRANSMEM        196..216
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        297..317
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        344..364
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        371..391
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   419 AA;  50319 MW;  AA5393EE25BEF77F CRC64;
     MKLYEWLLQR VRKALKKAYE ASKEIKTMKQ DFSLYKKSDF FDTTSWENSF SYIDFELNKY
     KWIIKYSLFK YRVSVVFLLF LSPFEISHSK DSLYFNILHN KKIHMQLSWI KKVIDDIETW
     QKKKRDFFYL QQTKNKQKQK KFHLGILSNI DSIAYETIGF IPRSITRTLY RFKTELTGKT
     ALILFREFRF AKYQALASIQ YGFFLLLLPW IVTLLFKKLS LEYLMNVWWN KSSIQLFNAS
     QKKIALKRFQ NMEDIFWLDL ITKETLENKS QYSISLKIHD MIISLVEIYT QKSIYTIIEL
     ITDFIGIFTI TVILCIAKKR LTVLNSWLQE LFYSLSDTMK AFFILLITDL CIGFHSPHGW
     EVLIELVWEH FGFVPNQYIT SFFVSTFPVV LDTMVKYWIF RHLNRISPSI VVTYHSMNE