ID   CEMA_POPAL              Reviewed;         228 AA.
AC   Q14FE5;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, 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   Populus alba (White poplar).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=43335;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Okumura S., Yamashita A., Kanamoto H., Hattori M., Takase H., Tomizawa K.;
RT   "Complete structure of the chloroplast genome of Populus alba.";
RL   Submitted (MAR-2005) to the EMBL/GenBank/DDBJ databases.
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; AP008956; BAE97217.1; -; Genomic_DNA.
DR   RefSeq; YP_665570.1; NC_008235.1.
DR   AlphaFoldDB; Q14FE5; -.
DR   GeneID; 4178200; -.
DR   KEGG; palz:4178200; -.
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..228
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000275249"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        113..133
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        188..208
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   228 AA;  26987 MW;  DB3554BD0CAF4308 CRC64;
     MEKKAFIPLL YLTSIVFLPW WVSFSFNKSL GSWIINWWNT SKSETFLNDI QEKSILEKLI
     EFEELFLLDE MIKEYPETHL QKFRIGIHKE TIQLIKMHNA DRIDTILHFS TNIICFVILS
     GYSFLVNEEL FILNSWVQEF IYNLSDTIKA LSILLLTDLC IGFHSPHGWE LMISSFYKDF
     GFAHNDQIIS GLVSTFPVIF DTIFKYWIFR YLNRVSPSLV VIYHSMND