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Database: UniProt
Entry: K9RCW0_9CYAN
LinkDB: K9RCW0_9CYAN
Original site: K9RCW0_9CYAN 
ID   K9RCW0_9CYAN            Unreviewed;       288 AA.
AC   K9RCW0;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   28-MAR-2018, entry version 36.
DE   RecName: Full=Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein {ECO:0000256|HAMAP-Rule:MF_00355};
DE            Short=DPOR subunit L {ECO:0000256|HAMAP-Rule:MF_00355};
DE            Short=LI-POR subunit L {ECO:0000256|HAMAP-Rule:MF_00355};
DE            EC=1.3.7.7 {ECO:0000256|HAMAP-Rule:MF_00355};
GN   Name=chlL {ECO:0000256|HAMAP-Rule:MF_00355};
GN   ORFNames=Riv7116_2694 {ECO:0000313|EMBL:AFY55199.1};
OS   Rivularia sp. PCC 7116.
OC   Bacteria; Cyanobacteria; Nostocales; Rivulariaceae; Rivularia.
OX   NCBI_TaxID=373994 {ECO:0000313|EMBL:AFY55199.1, ECO:0000313|Proteomes:UP000010380};
RN   [1] {ECO:0000313|EMBL:AFY55199.1, ECO:0000313|Proteomes:UP000010380}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7116 {ECO:0000313|EMBL:AFY55199.1,
RC   ECO:0000313|Proteomes:UP000010380};
RG   US DOE Joint Genome Institute;
RA   Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA   Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Chen A.,
RA   Kyrpides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA   Pagani I., Pati A., Goodwin L., Nordberg H.P., Cantor M.N., Hua S.X.,
RA   Woyke T., Kerfeld C.A.;
RT   "Finished chromosome of genome of Rivularia sp. PCC 7116.";
RL   Submitted (AUG-2012) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-Rule:MF_00355}.
CC   -!- CATALYTIC ACTIVITY: Protochlorophyllide a + reduced ferredoxin + 2
CC       ATP + 2 H(2)O = chlorophyllide a + oxidized ferredoxin + 2 ADP + 2
CC       phosphate. {ECO:0000256|HAMAP-Rule:MF_00355}.
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00355};
CC       Note=Binds 1 [4Fe-4S] cluster per dimer. {ECO:0000256|HAMAP-
CC       Rule:MF_00355};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC       biosynthesis (light-independent). {ECO:0000256|HAMAP-
CC       Rule:MF_00355}.
CC   -!- SUBUNIT: Homodimer. Protochlorophyllide reductase is composed of
CC       three subunits; ChlL, ChlN and ChlB. {ECO:0000256|HAMAP-
CC       Rule:MF_00355}.
CC   -!- SIMILARITY: Belongs to the NifH/BchL/ChlL family.
CC       {ECO:0000256|HAMAP-Rule:MF_00355, ECO:0000256|RuleBase:RU003688}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation
CC       of feature annotation. {ECO:0000256|HAMAP-Rule:MF_00355}.
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DR   EMBL; CP003549; AFY55199.1; -; Genomic_DNA.
DR   RefSeq; WP_015118771.1; NC_019678.1.
DR   EnsemblBacteria; AFY55199; AFY55199; Riv7116_2694.
DR   KEGG; riv:Riv7116_2694; -.
DR   PATRIC; fig|373994.3.peg.2855; -.
DR   KO; K04037; -.
DR   OrthoDB; POG091H0230; -.
DR   BioCyc; RSP373994:G1HCK-2640-MONOMER; -.
DR   UniPathway; UPA00670; -.
DR   Proteomes; UP000010380; 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   CDD; cd02032; Bchl_like; 1.
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 {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688};
KW   ATP-binding {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688};
KW   Chlorophyll biosynthesis {ECO:0000256|HAMAP-Rule:MF_00355};
KW   Complete proteome {ECO:0000313|Proteomes:UP000010380};
KW   Iron {ECO:0000256|HAMAP-Rule:MF_00355, ECO:0000256|RuleBase:RU003688};
KW   Iron-sulfur {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688};
KW   Magnesium {ECO:0000256|HAMAP-Rule:MF_00355};
KW   Metal-binding {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688};
KW   Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688};
KW   Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00355,
KW   ECO:0000256|RuleBase:RU003688, ECO:0000313|EMBL:AFY55199.1};
KW   Photosynthesis {ECO:0000256|HAMAP-Rule:MF_00355};
KW   Reference proteome {ECO:0000313|Proteomes:UP000010380}.
FT   NP_BIND      10     15       ATP. {ECO:0000256|HAMAP-Rule:MF_00355}.
FT   NP_BIND     180    181       ATP. {ECO:0000256|HAMAP-Rule:MF_00355}.
FT   METAL        14     14       Magnesium. {ECO:0000256|HAMAP-Rule:
FT                                MF_00355}.
FT   METAL        95     95       Iron-sulfur (4Fe-4S); shared with dimeric
FT                                partner. {ECO:0000256|HAMAP-Rule:
FT                                MF_00355}.
FT   METAL       129    129       Iron-sulfur (4Fe-4S); shared with dimeric
FT                                partner. {ECO:0000256|HAMAP-Rule:
FT                                MF_00355}.
FT   BINDING      39     39       ATP. {ECO:0000256|HAMAP-Rule:MF_00355}.
SQ   SEQUENCE   288 AA;  31601 MW;  5C7324465D6B2C9E CRC64;
     MRLAVYGKGG IGKSTTSCNI SVALAKRGKK VLQIGCDPKH DSTFTLTGFL IPTIIDTLQE
     KDFHYEDIWP EDVIYKGYGG VDCVEAGGPP AGAGCGGYVV GETVKLLKEL NAFDEYDVIL
     FDVLGDVVCG GFAAPLNYAD YCLIVTDNGF DALFAANRIA ASVREKARTH PLRLAGLIGN
     RTSKRDLIEK YIESVPMPVL EVLPLIEDIR VSRVKGKTLF EMAETEPSLN FVCDYYLSIA
     DQLLARPEGV VPQDAQDREL FSLLSDFYLN PNKPQVPNPE EELDLMIV
//
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