ID   PEBB_PROMM              Reviewed;         257 AA.
AC   Q7V585;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Phycoerythrobilin:ferredoxin oxidoreductase;
DE            EC=1.3.7.3;
GN   Name=pebB; OrderedLocusNames=PMT_1687;
OS   Prochlorococcus marinus (strain MIT 9313).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9313;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
CC   -!- FUNCTION: Catalyzes the two-electron reduction of the C2 and C3(1)
CC       diene system of 15,16-dihydrobiliverdin. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(3Z)-phycoerythrobilin + oxidized 2[4Fe-4S]-[ferredoxin] =
CC         15,16-dihydrobiliverdin + 2 H(+) + reduced 2[4Fe-4S]-[ferredoxin];
CC         Xref=Rhea:RHEA:22092, Rhea:RHEA-COMP:10002, Rhea:RHEA-COMP:10004,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:33722, ChEBI:CHEBI:33723,
CC         ChEBI:CHEBI:57438, ChEBI:CHEBI:57899; EC=1.3.7.3;
CC   -!- SIMILARITY: Belongs to the HY2 family. {ECO:0000305}.
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DR   EMBL; BX548175; CAE21862.1; -; Genomic_DNA.
DR   RefSeq; WP_011131054.1; NC_005071.1.
DR   AlphaFoldDB; Q7V585; -.
DR   SMR; Q7V585; -.
DR   STRING; 74547.PMT_1687; -.
DR   EnsemblBacteria; CAE21862; CAE21862; PMT_1687.
DR   KEGG; pmt:PMT_1687; -.
DR   eggNOG; ENOG502Z8GK; Bacteria.
DR   HOGENOM; CLU_086208_1_0_3; -.
DR   OMA; YDLPFFG; -.
DR   OrthoDB; 846073at2; -.
DR   Proteomes; UP000001423; Chromosome.
DR   GO; GO:0050897; F:cobalt ion binding; IEA:InterPro.
DR   GO; GO:0050618; F:phycoerythrobilin:ferredoxin oxidoreductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0010024; P:phytochromobilin biosynthetic process; IEA:InterPro.
DR   HAMAP; MF_00793; PebB; 1.
DR   InterPro; IPR009249; Ferredoxin-dep_bilin_Rdtase.
DR   InterPro; IPR022827; Phycoerythrobilin_Fdx_Rdtase.
DR   PANTHER; PTHR34557; PTHR34557; 1.
DR   Pfam; PF05996; Fe_bilin_red; 1.
PE   3: Inferred from homology;
KW   Oxidoreductase; Reference proteome.
FT   CHAIN           1..257
FT                   /note="Phycoerythrobilin:ferredoxin oxidoreductase"
FT                   /id="PRO_0000216734"
SQ   SEQUENCE   257 AA;  29640 MW;  40773B93F694A74D CRC64;
     MKPSRLSSLD PVKMPEWRWA PFLSHAINAF IPLKPEPYPV APEFLQREGK TGSKSQPIRV
     TTCTWACRTK KFRQVRAACV EAGRSASVLN FVINPYHTFD LPFFGADLVT LPSGHLLALD
     LQPAITSDER HTKQVWERLM PIFEHWRVHL PEGGPIPEEA KPYFSPGFLW TRLPLSIEGN
     QLIDEVIMPA FKDYLNLYLD LVEMAEEVSP QRAFKLLEGQ KRYLSYRAKK DPARAMLARF
     HGHQWTESYI HNVLFDL