PCBB_PROMA
ID PCBB_PROMA Reviewed; 349 AA.
AC Q9L8M5; Q7BWI0;
DT 24-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2000, sequence version 1.
DT 03-AUG-2022, entry version 103.
DE RecName: Full=Divinyl chlorophyll a/b light-harvesting protein PcbB;
GN Name=pcbB; OrderedLocusNames=Pro_1169;
OS Prochlorococcus marinus (strain SARG / CCMP1375 / SS120).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=167539;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND FUNCTION.
RC STRAIN=SARG / CCMP1375 / SS120;
RX PubMed=10725393; DOI=10.1073/pnas.070040897;
RA Garczarek L., Hess W.R., Holtzendorff J., van der Staay G.W.M.,
RA Partensky F.;
RT "Multiplication of antenna genes as a major adaptation to low light in a
RT marine prokaryote.";
RL Proc. Natl. Acad. Sci. U.S.A. 97:4098-4101(2000).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SARG / CCMP1375 / SS120;
RX PubMed=12917486; DOI=10.1073/pnas.1733211100;
RA Dufresne A., Salanoubat M., Partensky F., Artiguenave F., Axmann I.M.,
RA Barbe V., Duprat S., Galperin M.Y., Koonin E.V., Le Gall F., Makarova K.S.,
RA Ostrowski M., Oztas S., Robert C., Rogozin I.B., Scanlan D.J.,
RA Tandeau de Marsac N., Weissenbach J., Wincker P., Wolf Y.I., Hess W.R.;
RT "Genome sequence of the cyanobacterium Prochlorococcus marinus SS120, a
RT nearly minimal oxyphototrophic genome.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:10020-10025(2003).
RN [3]
RP FUNCTION, COFACTOR, SUBUNIT, AND SUBCELLULAR LOCATION.
RC STRAIN=SARG / CCMP1375 / SS120;
RA Partensky F., La Roche J., Wyman K., Falkowski P.G.;
RT "The divinyl-chlorophyll a/b-protein complexes of two strains of the
RT oxyphototrophic marine prokaryote Prochlorococcus -- characterization and
RT response to changes in growth irradiance.";
RL Photosyn. Res. 51:209-222(1997).
RN [4]
RP INDUCTION.
RC STRAIN=SARG / CCMP1375 / SS120;
RX PubMed=11575723; DOI=10.1023/a:1011681726654;
RA Garczarek L., van der Staay G.W.M., Hess W.R., Le Gall F., Partensky F.;
RT "Expression and phylogeny of the multiple antenna genes of the low-light-
RT adapted strain Prochlorococcus marinus SS120 (Oxyphotobacteria).";
RL Plant Mol. Biol. 46:683-693(2001).
RN [5]
RP REPRESSION UNDER IRON-STARVATION.
RC STRAIN=SARG / CCMP1375 / SS120;
RX PubMed=12944966; DOI=10.1038/nature01933;
RA Bibby T.S., Mary I., Nield J., Partensky F., Barber J.;
RT "Low-light-adapted Prochlorococcus species possess specific antennae for
RT each photosystem.";
RL Nature 424:1051-1054(2003).
CC -!- FUNCTION: The antenna complex functions as a light receptor, it
CC captures and delivers excitation energy to photosystems II and I. The
CC Prochlorales pcb genes are not related to higher plant LHCs.
CC {ECO:0000250|UniProtKB:Q6Q972, ECO:0000303|PubMed:10725393,
CC ECO:0000303|Ref.3}.
CC -!- COFACTOR:
CC Name=divinyl chlorophyll a; Xref=ChEBI:CHEBI:73095;
CC Evidence={ECO:0000303|Ref.3};
CC -!- COFACTOR:
CC Name=divinyl chlorophyll b; Xref=ChEBI:CHEBI:73096;
CC Evidence={ECO:0000303|Ref.3};
CC -!- SUBUNIT: The antenna complex consists of divinyl chlorophylls (a and b)
CC and divinyl chlorophyll a/b binding proteins and binds more divinyl
CC chlorophyll b than does the antenna complex from high-light-adapted
CC Prochlorococcus. {ECO:0000269|Ref.3}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000269|Ref.3};
CC Multi-pass membrane protein {ECO:0000250}.
CC -!- INDUCTION: This transcript is moderately expressed between 4.5 and 72
CC umol blue light/m2/s. The whole antenna complex is most highly
CC expressed under low light; as the light levels increase antenna complex
CC levels decrease. Thus at least in this strain the amount of antenna
CC complex is controlled mostly at a post-transcriptional level.
CC Transcription decreases slightly upon iron starvation.
CC {ECO:0000269|PubMed:11575723, ECO:0000269|PubMed:12944966}.
CC -!- MISCELLANEOUS: This low-light-adapted strain contains 8 pcb genes.
CC {ECO:0000303|PubMed:12917486, ECO:0000303|PubMed:12944966}.
CC -!- SIMILARITY: Belongs to the PsbB/PsbC family. IsiA/Pcb subfamily.
CC {ECO:0000305}.
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DR EMBL; AF198526; AAF61301.1; -; Genomic_DNA.
DR EMBL; AE017126; AAQ00214.1; -; Genomic_DNA.
DR RefSeq; NP_875561.1; NC_005042.1.
DR RefSeq; WP_011125321.1; NC_005042.1.
DR AlphaFoldDB; Q9L8M5; -.
DR SMR; Q9L8M5; -.
DR STRING; 167539.Pro_1169; -.
DR EnsemblBacteria; AAQ00214; AAQ00214; Pro_1169.
DR GeneID; 54200510; -.
DR KEGG; pma:Pro_1169; -.
DR PATRIC; fig|167539.5.peg.1223; -.
DR eggNOG; ENOG503217K; Bacteria.
DR HOGENOM; CLU_028310_0_0_3; -.
DR OMA; GIGWMAC; -.
DR OrthoDB; 417558at2; -.
DR Proteomes; UP000001420; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016168; F:chlorophyll binding; IEA:UniProtKB-KW.
DR GO; GO:0009767; P:photosynthetic electron transport chain; IEA:InterPro.
DR InterPro; IPR000932; PS_antenna-like.
DR InterPro; IPR036001; PS_II_antenna-like_sf.
DR PANTHER; PTHR33180; PTHR33180; 1.
DR Pfam; PF00421; PSII; 1.
DR SUPFAM; SSF161077; SSF161077; 1.
PE 1: Evidence at protein level;
KW Chlorophyll; Chromophore; Membrane; Photosynthesis; Photosystem I;
KW Photosystem II; Reference proteome; Thylakoid; Transmembrane;
KW Transmembrane helix.
FT CHAIN 1..349
FT /note="Divinyl chlorophyll a/b light-harvesting protein
FT PcbB"
FT /id="PRO_0000077539"
FT TRANSMEM 27..47
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 57..77
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 91..113
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 201..221
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 241..261
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 306..326
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 349 AA; 38298 MW; 8C0054D2F850F685 CRC64;
MQTYGNPNVT YGWWAGNSGV TNRSGKFIAA HAAHTGLIAF GCGAATLVEL AGFDPSLPMG
HQSSLFLAHL ASVGIGFDDA GVWTGVGVAN IAILHLILSM VYGGGGLLHS VYFTGDMQDS
QVPQARKFKL EWDNPDNQTF ILGHHLLFFG VANIWFVEWA RIHGIYDPAI EAIRQVNYNL
DLTQIWNHQF DFLAIDSLED VMGGHAFLAF FQLGGGAFHI ATKQIGTYTK FKGKELLSAE
AILSWSLAGI GWMACVAAFW AATNTTVYPE AWYGEVLQIK FGVSPYWIDT VPGGTAFLGH
TTRAALVNVH YYLGFFFIQG HLWHALRAMG FDFKRLLDKT GPFGIPRTL
