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Database: UniProt/SWISS-PROT
Entry: CHLL_PROMS
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ID   CHLL_PROMS              Reviewed;         295 AA.
AC   A2BQ24;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   31-JUL-2019, entry version 84.
DE   RecName: Full=Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein {ECO:0000255|HAMAP-Rule:MF_00355};
DE            Short=DPOR subunit L {ECO:0000255|HAMAP-Rule:MF_00355};
DE            Short=LI-POR subunit L {ECO:0000255|HAMAP-Rule:MF_00355};
DE            EC=1.3.7.7 {ECO:0000255|HAMAP-Rule:MF_00355};
GN   Name=chlL {ECO:0000255|HAMAP-Rule:MF_00355};
GN   OrderedLocusNames=A9601_05991;
OS   Prochlorococcus marinus (strain AS9601).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochloraceae;
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.,
RA   Rodrigue S., Chen F., Lapidus A., Ferriera S., Johnson J.,
RA   Steglich C., Church G.M., 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: Component of the dark-operative protochlorophyllide
CC       reductase (DPOR) that uses Mg-ATP and reduced ferredoxin to reduce
CC       ring D of protochlorophyllide (Pchlide) to form chlorophyllide a
CC       (Chlide). This reaction is light-independent. The L component
CC       serves as a unique electron donor to the NB-component of the
CC       complex, and binds Mg-ATP. {ECO:0000255|HAMAP-Rule:MF_00355}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 ADP + chlorophyllide a + oxidized 2[4Fe-4S]-
CC         [ferredoxin] + 2 phosphate = 2 ATP + 2 H2O + protochlorophyllide
CC         a + reduced 2[4Fe-4S]-[ferredoxin]; Xref=Rhea:RHEA:28202,
CC         Rhea:RHEA-COMP:10002, Rhea:RHEA-COMP:10004, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:33722, ChEBI:CHEBI:33723,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:83348, ChEBI:CHEBI:83350,
CC         ChEBI:CHEBI:456216; EC=1.3.7.7; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00355};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00355};
CC       Note=Binds 1 [4Fe-4S] cluster per dimer. {ECO:0000255|HAMAP-
CC       Rule:MF_00355};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC       biosynthesis (light-independent). {ECO:0000255|HAMAP-
CC       Rule:MF_00355}.
CC   -!- SUBUNIT: Homodimer. Protochlorophyllide reductase is composed of
CC       three subunits; ChlL, ChlN and ChlB. {ECO:0000255|HAMAP-
CC       Rule:MF_00355}.
CC   -!- SIMILARITY: Belongs to the NifH/BchL/ChlL family.
CC       {ECO:0000255|HAMAP-Rule:MF_00355}.
DR   EMBL; CP000551; ABM69885.1; -; Genomic_DNA.
DR   RefSeq; WP_011818051.1; NC_008816.1.
DR   SMR; A2BQ24; -.
DR   STRING; 146891.A9601_05991; -.
DR   EnsemblBacteria; ABM69885; ABM69885; A9601_05991.
DR   GeneID; 4717299; -.
DR   KEGG; pmb:A9601_05991; -.
DR   eggNOG; ENOG4105DSM; Bacteria.
DR   eggNOG; COG1348; LUCA.
DR   HOGENOM; HOG000228825; -.
DR   KO; K04037; -.
DR   OMA; PGDIVCG; -.
DR   OrthoDB; 729012at2; -.
DR   BioCyc; PMAR146891:G1G7X-589-MONOMER; -.
DR   UniPathway; UPA00670; -.
DR   Proteomes; UP000002590; Chromosome.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016730; F:oxidoreductase activity, acting on iron-sulfur proteins as donors; IEA:InterPro.
DR   GO; GO:0016636; F:oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0036068; P:light-independent chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019685; P:photosynthesis, dark reaction; IEA:InterPro.
DR   HAMAP; MF_00355; ChlL_BchL; 1.
DR   InterPro; IPR030655; NifH/chlL_CS.
DR   InterPro; IPR000392; NifH/frxC.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR005971; Protochlorophyllide_ATP-bd.
DR   PANTHER; PTHR42864; PTHR42864; 1.
DR   PANTHER; PTHR42864:SF1; PTHR42864:SF1; 1.
DR   Pfam; PF00142; Fer4_NifH; 1.
DR   PIRSF; PIRSF000363; Nitrogenase_iron; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR01281; DPOR_bchL; 1.
DR   PROSITE; PS00746; NIFH_FRXC_1; 1.
DR   PROSITE; PS00692; NIFH_FRXC_2; 1.
DR   PROSITE; PS51026; NIFH_FRXC_3; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; ATP-binding; Chlorophyll biosynthesis; Complete proteome;
KW   Iron; Iron-sulfur; Magnesium; Metal-binding; Nucleotide-binding;
KW   Oxidoreductase; Photosynthesis.
FT   CHAIN         1    295       Light-independent protochlorophyllide
FT                                reductase iron-sulfur ATP-binding
FT                                protein.
FT                                /FTId=PRO_0000324058.
FT   NP_BIND      39     44       ATP. {ECO:0000255|HAMAP-Rule:MF_00355}.
FT   NP_BIND     209    210       ATP. {ECO:0000255|HAMAP-Rule:MF_00355}.
FT   METAL        43     43       Magnesium. {ECO:0000255|HAMAP-
FT                                Rule:MF_00355}.
FT   METAL       124    124       Iron-sulfur (4Fe-4S); shared with dimeric
FT                                partner. {ECO:0000255|HAMAP-
FT                                Rule:MF_00355}.
FT   METAL       158    158       Iron-sulfur (4Fe-4S); shared with dimeric
FT                                partner. {ECO:0000255|HAMAP-
FT                                Rule:MF_00355}.
FT   BINDING      68     68       ATP. {ECO:0000255|HAMAP-Rule:MF_00355}.
SQ   SEQUENCE   295 AA;  32348 MW;  5701302EE1AE6B58 CRC64;
     MTSTINRPLD GEGSVQVKQD PKINIEEGAL VIAVYGKGGI GKSTTSSNLS AAFSKLGKKV
     LQIGCDPKHD STFTLTHKMV PTVIDILEEV DFHSEELRPT DFMFEGFNGV MCVESGGPPA
     GTGCGGYVTG QTVKLLKEHH LLEDTDVVIF DVLGDVVCGG FAAPLQHANY CLIVTANDFD
     SIFAMNRIVS AIKAKAKNYK VRLGGVVANR SKDTDQIDKF NERTGLKTMA HFKDVDAIRR
     SRLKKCTIFE MEPTEDVIEV QNEYLSLAKN MLENVEPLEG NPLKDREIFD LLGFD
//
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