CEMA_NICTO
ID CEMA_NICTO Reviewed; 229 AA.
AC Q33C21;
DT 06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, 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};
OS Nicotiana tomentosiformis (Tobacco).
OG Plastid; Chloroplast.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC Nicotiana.
OX NCBI_TaxID=4098;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=16435119; DOI=10.1007/s00438-005-0092-6;
RA Yukawa M., Tsudzuki T., Sugiura M.;
RT "The chloroplast genome of Nicotiana sylvestris and Nicotiana
RT tomentosiformis: complete sequencing confirms that the Nicotiana sylvestris
RT progenitor is the maternal genome donor of Nicotiana tabacum.";
RL Mol. Genet. Genomics 275:367-373(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; AB240139; BAE48014.1; -; Genomic_DNA.
DR RefSeq; YP_398876.1; NC_007602.1.
DR AlphaFoldDB; Q33C21; -.
DR GeneID; 3776314; -.
DR KEGG; nto:3776314; -.
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_0000275246"
FT TRANSMEM 7..27
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT TRANSMEM 107..127
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; 26745 MW; C4607C51391CC551 CRC64;
MAKKKAFTPL FYLASIVFLP WWISFSVNKC LESWVTNWWN TGQSEIFLNN IQEKSLLEKF
IELEELLFLD EMVKEYSETH LEEFGIGIHK ETIQLIKIQN ENRIHTILHF STNIICFIIL
SGYSILGNEN LAILNSWAQE FLYNLSDTVK AFSILLLTDL CIGFHSPHGW ELMIGSIYKD
FGFVHSDQII SGLVSTFPVI LDTIFKYWIF RYLNRLSPSL VVIYHSMND