ID   CEMA_POPTR              Reviewed;         228 AA.
AC   A4GYS3;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   17-APR-2007, sequence version 1.
DT   25-MAY-2022, entry version 44.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308}; Synonyms=ycf10;
GN   OrderedLocusNames=Poptr_cp035;
OS   Populus trichocarpa (Western balsam poplar) (Populus balsamifera subsp.
OS   trichocarpa).
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=3694;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Nisqually;
RX   PubMed=16973872; DOI=10.1126/science.1128691;
RA   Tuskan G.A., Difazio S., Jansson S., Bohlmann J., Grigoriev I.,
RA   Hellsten U., Putnam N., Ralph S., Rombauts S., Salamov A., Schein J.,
RA   Sterck L., Aerts A., Bhalerao R.R., Bhalerao R.P., Blaudez D., Boerjan W.,
RA   Brun A., Brunner A., Busov V., Campbell M., Carlson J., Chalot M.,
RA   Chapman J., Chen G.-L., Cooper D., Coutinho P.M., Couturier J., Covert S.,
RA   Cronk Q., Cunningham R., Davis J., Degroeve S., Dejardin A.,
RA   dePamphilis C.W., Detter J., Dirks B., Dubchak I., Duplessis S.,
RA   Ehlting J., Ellis B., Gendler K., Goodstein D., Gribskov M., Grimwood J.,
RA   Groover A., Gunter L., Hamberger B., Heinze B., Helariutta Y.,
RA   Henrissat B., Holligan D., Holt R., Huang W., Islam-Faridi N., Jones S.,
RA   Jones-Rhoades M., Jorgensen R., Joshi C., Kangasjaervi J., Karlsson J.,
RA   Kelleher C., Kirkpatrick R., Kirst M., Kohler A., Kalluri U., Larimer F.,
RA   Leebens-Mack J., Leple J.-C., Locascio P., Lou Y., Lucas S., Martin F.,
RA   Montanini B., Napoli C., Nelson D.R., Nelson C., Nieminen K., Nilsson O.,
RA   Pereda V., Peter G., Philippe R., Pilate G., Poliakov A., Razumovskaya J.,
RA   Richardson P., Rinaldi C., Ritland K., Rouze P., Ryaboy D., Schmutz J.,
RA   Schrader J., Segerman B., Shin H., Siddiqui A., Sterky F., Terry A.,
RA   Tsai C.-J., Uberbacher E., Unneberg P., Vahala J., Wall K., Wessler S.,
RA   Yang G., Yin T., Douglas C., Marra M., Sandberg G., Van de Peer Y.,
RA   Rokhsar D.S.;
RT   "The genome of black cottonwood, Populus trichocarpa (Torr. & Gray).";
RL   Science 313:1596-1604(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; EF489041; ABO36717.1; -; Genomic_DNA.
DR   RefSeq; YP_001109514.1; NC_009143.1.
DR   AlphaFoldDB; A4GYS3; -.
DR   GeneID; 4929682; -.
DR   KEGG; pop:4929682; -.
DR   InParanoid; A4GYS3; -.
DR   Proteomes; UP000006729; Chloroplast.
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; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..228
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000293530"
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