ID   PEBB_PROMS              Reviewed;         253 AA.
AC   A2BTH3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=Phycoerythrobilin:ferredoxin oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00793};
DE            EC=1.3.7.3 {ECO:0000255|HAMAP-Rule:MF_00793};
GN   Name=pebB {ECO:0000255|HAMAP-Rule:MF_00793}; OrderedLocusNames=A9601_18011;
OS   Prochlorococcus marinus (strain AS9601).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=146891;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AS9601;
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: Catalyzes the two-electron reduction of the C2 and C3(1)
CC       diene system of 15,16-dihydrobiliverdin. {ECO:0000255|HAMAP-
CC       Rule:MF_00793}.
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         Evidence={ECO:0000255|HAMAP-Rule:MF_00793};
CC   -!- SIMILARITY: Belongs to the HY2 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00793}.
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DR   EMBL; CP000551; ABM71084.1; -; Genomic_DNA.
DR   RefSeq; WP_011819206.1; NC_008816.1.
DR   AlphaFoldDB; A2BTH3; -.
DR   SMR; A2BTH3; -.
DR   STRING; 146891.A9601_18011; -.
DR   EnsemblBacteria; ABM71084; ABM71084; A9601_18011.
DR   KEGG; pmb:A9601_18011; -.
DR   eggNOG; ENOG502Z8GK; Bacteria.
DR   HOGENOM; CLU_086208_1_0_3; -.
DR   OMA; YDLPFFG; -.
DR   OrthoDB; 846073at2; -.
DR   Proteomes; UP000002590; 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.
FT   CHAIN           1..253
FT                   /note="Phycoerythrobilin:ferredoxin oxidoreductase"
FT                   /id="PRO_1000148511"
SQ   SEQUENCE   253 AA;  29767 MW;  763ACD371D95A9B4 CRC64;
     MLIQDTIFYR PDWRWHNFLK YLTNNLSKYN CLEKTIPSEY SYKDSTYGSK KSKKNVNLST
     WGVTHKKRIK FARAVCINSP NYSVLNFLII PNTIYNVPFF GVDFVSLPNS YLLVLDFQPS
     LKIQNQYNND LLEKLIKLKN HCHSSLPLAE KMSADVARFF SPGVIWSKLP KEERSDFLIT
     NQLYTSFKEY LDLYLEILFE SKEVNIELQK ELTNGQINYL NYRRDNDPAR PMLSSLFGQE
     FTESLIEEVL FTT