ID   PEBB_PROM9              Reviewed;         253 AA.
AC   Q318F0;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 81.
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};
GN   OrderedLocusNames=PMT9312_1684;
OS   Prochlorococcus marinus (strain MIT 9312).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9312;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Thiel J., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of Prochlorococcus marinus str. MIT 9312.";
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000111; ABB50745.1; -; Genomic_DNA.
DR   RefSeq; WP_011377226.1; NC_007577.1.
DR   AlphaFoldDB; Q318F0; -.
DR   SMR; Q318F0; -.
DR   STRING; 74546.PMT9312_1684; -.
DR   EnsemblBacteria; ABB50745; ABB50745; PMT9312_1684.
DR   KEGG; pmi:PMT9312_1684; -.
DR   eggNOG; ENOG502Z8GK; Bacteria.
DR   HOGENOM; CLU_086208_1_0_3; -.
DR   OMA; YDLPFFG; -.
DR   OrthoDB; 846073at2; -.
DR   Proteomes; UP000002715; 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_1000148510"
SQ   SEQUENCE   253 AA;  29690 MW;  4D069F46FA623B82 CRC64;
     MLIEDTIFYR PDWKWHNFLK YLVNNLSKYN CLEKKIPSEY SYKDSTYGSK KSKKNVNLST
     WGVTHKKRIQ FARAVCINSP NYSVLNFLII PNTIYNVPFF GVDFVSLPNS HLLVLDFQPS
     LKIQNQYNNE LLEKLIKLKN HCHSSLPLAE KMSADVARFF SPGVIWSKLP KEERSDFLIA
     NQLYTSFKEY LDLYLEILFE SQQVNLNLQK ELINGQNNYL KYRIDNDPAR PMLSSLFGKE
     FTESLIKEVL FTT