ID   PETM_PROM5              Reviewed;          32 AA.
AC   A2BXL5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 65.
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}; OrderedLocusNames=P9515_13191;
OS   Prochlorococcus marinus (strain MIT 9515).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167542;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9515;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
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: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00396}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00396}.
CC   -!- SIMILARITY: Belongs to the PetM family. {ECO:0000255|HAMAP-
CC       Rule:MF_00396}.
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DR   EMBL; CP000552; ABM72526.1; -; Genomic_DNA.
DR   RefSeq; WP_011132786.1; NC_008817.1.
DR   AlphaFoldDB; A2BXL5; -.
DR   SMR; A2BXL5; -.
DR   STRING; 167542.P9515_13191; -.
DR   EnsemblBacteria; ABM72526; ABM72526; P9515_13191.
DR   KEGG; pmc:P9515_13191; -.
DR   HOGENOM; CLU_216743_1_0_3; -.
DR   OrthoDB; 2089863at2; -.
DR   Proteomes; UP000001589; Chromosome.
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:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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   Electron transport; Membrane; Photosynthesis; Thylakoid; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..32
FT                   /note="Cytochrome b6-f complex subunit 7"
FT                   /id="PRO_1000049587"
FT   TRANSMEM        9..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00396"
SQ   SEQUENCE   32 AA;  3432 MW;  E37317B809E6E5B9 CRC64;
     MAKEIFSIAA VFWILIPIGL VGGALLLKFQ GD