ID   CEMA_CARPA              Reviewed;         229 AA.
AC   B1A947;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 38.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Carica papaya (Papaya).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Caricaceae; Carica.
OX   NCBI_TaxID=3649;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. SunUp;
RX   PubMed=18432245; DOI=10.1038/nature06856;
RA   Ming R., Hou S., Feng Y., Yu Q., Dionne-Laporte A., Saw J.H., Senin P.,
RA   Wang W., Ly B.V., Lewis K.L., Salzberg S.L., Feng L., Jones M.R.,
RA   Skelton R.L., Murray J.E., Chen C., Qian W., Shen J., Du P., Eustice M.,
RA   Tong E., Tang H., Lyons E., Paull R.E., Michael T.P., Wall K., Rice D.W.,
RA   Albert H., Wang M.L., Zhu Y.J., Schatz M., Nagarajan N., Acob R.A.,
RA   Guan P., Blas A., Wai C.M., Ackerman C.M., Ren Y., Liu C., Wang J.,
RA   Wang J., Na J.K., Shakirov E.V., Haas B., Thimmapuram J., Nelson D.,
RA   Wang X., Bowers J.E., Gschwend A.R., Delcher A.L., Singh R., Suzuki J.Y.,
RA   Tripathi S., Neupane K., Wei H., Irikura B., Paidi M., Jiang N., Zhang W.,
RA   Presting G., Windsor A., Navajas-Perez R., Torres M.J., Feltus F.A.,
RA   Porter B., Li Y., Burroughs A.M., Luo M.C., Liu L., Christopher D.A.,
RA   Mount S.M., Moore P.H., Sugimura T., Jiang J., Schuler M.A., Friedman V.,
RA   Mitchell-Olds T., Shippen D.E., dePamphilis C.W., Palmer J.D., Freeling M.,
RA   Paterson A.H., Gonsalves D., Wang L., Alam M.;
RT   "The draft genome of the transgenic tropical fruit tree papaya (Carica
RT   papaya Linnaeus).";
RL   Nature 452:991-996(2008).
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; EU431223; ABY86794.1; -; Genomic_DNA.
DR   RefSeq; YP_001671695.1; NC_010323.1.
DR   AlphaFoldDB; B1A947; -.
DR   GeneID; 5878417; -.
DR   KEGG; cpap:5878417; -.
DR   OrthoDB; 1276845at2759; -.
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_0000346540"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        114..134
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;  26981 MW;  B41177AFB877A2A2 CRC64;
     MAKKKAFIPF LYLASIVFLP WWISLSCNKS LKTWITNSWN TRQSETFLND IQEKSLLEKF
     IQLEELFLLD EMIKEDPETH LQKLRIGIHK ETIQFIQMYN EDRIHTILHF STNILCFVIL
     SGYSILGNEE LLIINSWVQE FLYNLSDTIK AFSILLLTDL CIGFHSPHGW ELMIGYIYKD
     FGFAHNDQII SGLVSTFPVI LDTIFKYWIF RYLNRVSPSL VVIYHSIND