ID   CEMA_HUPLU              Reviewed;         521 AA.
AC   Q5SD38;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   21-DEC-2004, sequence version 1.
DT   25-MAY-2022, entry version 47.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Huperzia lucidula (Shining clubmoss) (Lycopodium lucidulum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Lycopodiopsida; Lycopodiales; Lycopodiaceae; Huperzioideae; Huperzia.
OX   NCBI_TaxID=37429;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15788152; DOI=10.1016/j.gene.2005.01.018;
RA   Wolf P.G., Karol K.G., Mandoli D.F., Kuehl J.V., Arumuganathan K.,
RA   Ellis M.W., Mishler B.D., Kelch D.G., Olmstead R.G., Boore J.L.;
RT   "The first complete chloroplast genome sequence of a lycophyte, Huperzia
RT   lucidula (Lycopodiaceae).";
RL   Gene 350:117-128(2005).
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; AY660566; AAT80713.1; -; Genomic_DNA.
DR   RefSeq; YP_209517.1; NC_006861.1.
DR   AlphaFoldDB; Q5SD38; -.
DR   GeneID; 3283785; -.
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..521
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000216644"
FT   TRANSMEM        68..88
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        294..314
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        399..419
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        446..466
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        481..501
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   521 AA;  60959 MW;  078190C5F55905DF CRC64;
     MKFKLYWWEV FRWFSDTPSR SSERACEASR QVQHIKKDYV SYKCLVPSLP KHSWQAIILY
     MNTRLNNFVF IIYWSVLECK TSIYLLNILN KLGLIVSVPG KSFSSPKLLI NIRSFFNGNK
     RLRIMSQSNP YNIWLYPLNI LLSFPVHRKP KKLRSTEKIF EKNGFNCENR EYPHDKNDKT
     YFVSGKSSEE ELVRIERMNQ KLAWIEATLN DLDNWKRYYS LSSFSFEMGD IPEEGQSSLS
     VEGESDSIVT TIAYESIGLV PRSITRTLSR FKTELTGQSS SLVLYEFRLA KYQALASLQY
     LGCLILIPWG ISFPSERWLL KPWIKNWWNI NQFQIFLNYF QEERASKRLQ EVEELLWLDE
     VMLADSSSSE VQSQDLNRQI HDKTIQLVAM YNEDSIQTIL HLLTDIIYFA IPSASFISGK
     KRLAVMNSWI QESFHSLSDT MKAFFILLLT DSCIGFHSPH GWEILISSLS KHLGFAHNKH
     IISCFVSTFP VISDTVFKYW IFRHLNRISP SIVATYHAMN E