ID   PEBA_PROMT              Reviewed;         238 AA.
AC   Q46IM0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=15,16-dihydrobiliverdin:ferredoxin oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00792};
DE            EC=1.3.7.2 {ECO:0000255|HAMAP-Rule:MF_00792};
GN   Name=pebA {ECO:0000255|HAMAP-Rule:MF_00792}; OrderedLocusNames=PMN2A_1168;
OS   Prochlorococcus marinus (strain NATL2A).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59920;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NATL2A;
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 biliverdin IX-alpha
CC       at the C15 methine bridge. {ECO:0000255|HAMAP-Rule:MF_00792}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=15,16-dihydrobiliverdin + oxidized 2[4Fe-4S]-[ferredoxin] =
CC         biliverdin IXalpha + 2 H(+) + reduced 2[4Fe-4S]-[ferredoxin];
CC         Xref=Rhea:RHEA:10168, Rhea:RHEA-COMP:10002, Rhea:RHEA-COMP:10004,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:33722, ChEBI:CHEBI:33723,
CC         ChEBI:CHEBI:57899, ChEBI:CHEBI:57991; EC=1.3.7.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00792};
CC   -!- SIMILARITY: Belongs to the HY2 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00792}.
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DR   EMBL; CP000095; AAZ58658.1; -; Genomic_DNA.
DR   RefSeq; WP_011295512.1; NC_007335.2.
DR   AlphaFoldDB; Q46IM0; -.
DR   SMR; Q46IM0; -.
DR   STRING; 59920.PMN2A_1168; -.
DR   EnsemblBacteria; AAZ58658; AAZ58658; PMN2A_1168.
DR   KEGG; pmn:PMN2A_1168; -.
DR   HOGENOM; CLU_086208_0_0_3; -.
DR   OMA; FYDANQY; -.
DR   OrthoDB; 846073at2; -.
DR   PhylomeDB; Q46IM0; -.
DR   Proteomes; UP000002535; Chromosome.
DR   GO; GO:0050617; F:15,16-dihydrobiliverdin:ferredoxin oxidoreductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0050897; F:cobalt ion binding; IEA:InterPro.
DR   GO; GO:0010024; P:phytochromobilin biosynthetic process; IEA:InterPro.
DR   HAMAP; MF_00792; PebA; 1.
DR   InterPro; IPR023658; DiHydbiliverdin_OxRdtase.
DR   InterPro; IPR009249; Ferredoxin-dep_bilin_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..238
FT                   /note="15,16-dihydrobiliverdin:ferredoxin oxidoreductase"
FT                   /id="PRO_1000046923"
SQ   SEQUENCE   238 AA;  27899 MW;  AB2D724C421393F8 CRC64;
     MFNDLLSELT KNILEHGGKK LIVPNEFCEC VSKQGNCKLN SWLWDVPGFR RWRVTRLDAG
     DRLQVLNSVA YPNEQNDMPI MGIDLLWFEK KQKLVAILDF QPLVQDKEYL DRYFDGLKSL
     KKSFNEFNSD MKSNIYDPTK YFSPWALFCK GGNFEAENIL PKIFSSFLKC YWKNLDLSKA
     NENHIKSQEV SILHIDYDKY SAEKDPAHGL FSGFFGKEWS EKYMKEFLFP LSLENINP