PETM_EMIHU
ID PETM_EMIHU Reviewed; 32 AA.
AC Q4G3B3;
DT 02-MAY-2006, integrated into UniProtKB/Swiss-Prot.
DT 30-AUG-2005, sequence version 1.
DT 03-AUG-2022, entry version 47.
DE RecName: Full=Cytochrome b6-f complex subunit 7 {ECO:0000255|HAMAP-Rule:MF_00396};
DE AltName: Full=Cytochrome b6-f complex subunit PetM {ECO:0000255|HAMAP-Rule:MF_00396};
DE AltName: Full=Cytochrome b6-f complex subunit VII {ECO:0000255|HAMAP-Rule:MF_00396};
GN Name=petM {ECO:0000255|HAMAP-Rule:MF_00396};
OS Emiliania huxleyi (Coccolithophore) (Pontosphaera huxleyi).
OG Plastid; Chloroplast.
OC Eukaryota; Haptista; Haptophyta; Prymnesiophyceae; Isochrysidales;
OC Noelaerhabdaceae; Emiliania.
OX NCBI_TaxID=2903;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCMP373 / CSIRO-CS-57 / BT6;
RX PubMed=16303746; DOI=10.1093/dnares/12.2.151;
RA Sanchez-Puerta M.V., Bachvaroff T.R., Delwiche C.F.;
RT "The complete plastid genome sequence of the haptophyte Emiliania huxleyi:
RT a comparison to other plastid genomes.";
RL DNA Res. 12:151-156(2005).
CC -!- FUNCTION: Component of the cytochrome b6-f complex, which mediates
CC electron transfer between photosystem II (PSII) and photosystem I
CC (PSI), cyclic electron flow around PSI, and state transitions.
CC {ECO:0000255|HAMAP-Rule:MF_00396}.
CC -!- SUBUNIT: The 4 large subunits of the cytochrome b6-f complex are
CC cytochrome b6, subunit IV (17 kDa polypeptide, PetD), cytochrome f and
CC the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and
CC PetN. The complex functions as a dimer. {ECO:0000255|HAMAP-
CC Rule:MF_00396}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC {ECO:0000255|HAMAP-Rule:MF_00396}; Single-pass membrane protein
CC {ECO:0000255|HAMAP-Rule:MF_00396}.
CC -!- SIMILARITY: Belongs to the PetM family. {ECO:0000255|HAMAP-
CC Rule:MF_00396}.
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DR EMBL; AY741371; AAX13853.1; -; Genomic_DNA.
DR RefSeq; YP_277354.1; NC_007288.1.
DR AlphaFoldDB; Q4G3B3; -.
DR SMR; Q4G3B3; -.
DR GeneID; 3562427; -.
DR Proteomes; UP000013827; Unassembled WGS sequence.
DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0009512; C:cytochrome b6f complex; IEA:InterPro.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR HAMAP; MF_00396; Cytb6_f_PetM; 1.
DR InterPro; IPR012595; PetM_cyt_b6/f_cplx_su7.
DR Pfam; PF08041; PetM; 1.
PE 3: Inferred from homology;
KW Chloroplast; Electron transport; Membrane; Photosynthesis; Plastid;
KW Reference proteome; Thylakoid; Transmembrane; Transmembrane helix;
KW Transport.
FT CHAIN 1..32
FT /note="Cytochrome b6-f complex subunit 7"
FT /id="PRO_0000233228"
FT TRANSMEM 5..25
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00396"
SQ SEQUENCE 32 AA; 3380 MW; FCC2430C4450EB5F CRC64;
MAKEIFTVAG VMWALVLTGL SVGFGLLKIQ GE