ID   CEMA_NUPAD              Reviewed;         229 AA.
AC   A1XFW7;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, 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   Nuphar advena (Common spatterdock) (Nuphar lutea subsp. advena).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Nymphaeales; Nymphaeaceae; Nuphar.
OX   NCBI_TaxID=77108;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17573971; DOI=10.1186/1471-2164-8-174;
RA   Raubeson L.A., Peery R., Chumley T.W., Dziubek C., Fourcade H.M.,
RA   Boore J.L., Jansen R.K.;
RT   "Comparative chloroplast genomics: analyses including new sequences from
RT   the angiosperms Nuphar advena and Ranunculus macranthus.";
RL   BMC Genomics 8:174-174(2007).
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; DQ354691; ABC60470.1; -; Genomic_DNA.
DR   RefSeq; YP_001001546.1; NC_008788.1.
DR   AlphaFoldDB; A1XFW7; -.
DR   GeneID; 4699649; -.
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..229
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000293523"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        106..126
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        189..209
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   229 AA;  26708 MW;  8A4A9E9EAD86B08D CRC64;
     MTKKKALNPL PYLASIVFLP WGISLSFNKS MEPWVTNWWN TSQSETFLND IQEKNILEGF
     IKLEELFLLD EMIKEYPETH IQKLRIGIHK ETIQLVRMHN QDHIHIILHF STNITCFAIL
     SAYSILGNEE LIALNSWVQE FLYNLSDTIK AFSILLLTDL CIGFHSPHAW ELMIGSFYKD
     FGFVQNDKII SGLVSTFPVI LDTILKYWIF HYLNRVSPSL VVIYHSLNE