ID   PEBA_PROMM              Reviewed;         249 AA.
AC   Q7V586;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 83.
DE   RecName: Full=15,16-dihydrobiliverdin:ferredoxin oxidoreductase;
DE            EC=1.3.7.2;
GN   Name=pebA; OrderedLocusNames=PMT_1686;
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 biliverdin IX-alpha
CC       at the C15 methine bridge. {ECO:0000250}.
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   -!- SIMILARITY: Belongs to the HY2 family. {ECO:0000305}.
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DR   EMBL; BX548175; CAE21861.1; -; Genomic_DNA.
DR   RefSeq; WP_011131053.1; NC_005071.1.
DR   AlphaFoldDB; Q7V586; -.
DR   SMR; Q7V586; -.
DR   STRING; 74547.PMT_1686; -.
DR   EnsemblBacteria; CAE21861; CAE21861; PMT_1686.
DR   KEGG; pmt:PMT_1686; -.
DR   eggNOG; ENOG502Z8J9; Bacteria.
DR   HOGENOM; CLU_086208_0_0_3; -.
DR   OMA; FYDANQY; -.
DR   OrthoDB; 846073at2; -.
DR   Proteomes; UP000001423; 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..249
FT                   /note="15,16-dihydrobiliverdin:ferredoxin oxidoreductase"
FT                   /id="PRO_0000216727"
SQ   SEQUENCE   249 AA;  28731 MW;  9DE486F56EF81444 CRC64;
     MFDPLLEKLH SSIRIQGGET AAVPDGLREC RNEKKNSWIR SWLWQVPGFR RWRVSRLDAG
     ESLQVLNSVA YPNYNIDQPL MGLDLLWFGK RQKLVAILDF QPLIQDQSYL ERHFQGLKTL
     QNRFPELSGE ETMRLFDPNQ YFSPWLLFCR GGAEKATNSL PEAFNAFLHC YWELHQQNSD
     KASLIPAAEV KQLQIAYDIY SAERDPAHGL FTSHFGKAWS DRFLHEFLFP ASTKADSSPP
     ADADDDLPR