ID K9Y7K8_HALP7 Unreviewed; 1180 AA.
AC K9Y7K8;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 27-MAR-2024, entry version 58.
DE RecName: Full=Pyruvate-flavodoxin oxidoreductase {ECO:0000256|PIRNR:PIRNR000159};
DE EC=1.2.7.- {ECO:0000256|PIRNR:PIRNR000159};
GN OrderedLocusNames=PCC7418_0566 {ECO:0000313|EMBL:AFZ42794.1};
OS Halothece sp. (strain PCC 7418) (Synechococcus sp. (strain PCC 7418)).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Halothecacae; Halothece cluster; Halothece.
OX NCBI_TaxID=65093 {ECO:0000313|EMBL:AFZ42794.1, ECO:0000313|Proteomes:UP000010481};
RN [1] {ECO:0000313|Proteomes:UP000010481}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7418 {ECO:0000313|Proteomes:UP000010481};
RX PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT genome sequencing.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
CC -!- FUNCTION: Oxidoreductase required for the transfer of electrons from
CC pyruvate to flavodoxin. {ECO:0000256|PIRNR:PIRNR000159}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=CoA + 2 H(+) + oxidized [flavodoxin] + pyruvate = acetyl-CoA +
CC CO2 + reduced [flavodoxin]; Xref=Rhea:RHEA:44140, Rhea:RHEA-
CC COMP:10622, Rhea:RHEA-COMP:10623, ChEBI:CHEBI:15361,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57287,
CC ChEBI:CHEBI:57288, ChEBI:CHEBI:57618, ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|ARBA:ARBA00001122,
CC ECO:0000256|PIRNR:PIRNR000159};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|PIRSR:PIRSR000159-50};
CC Note=Binds 3 [4Fe-4S] clusters per subunit.
CC {ECO:0000256|PIRSR:PIRSR000159-50};
CC -!- SIMILARITY: Belongs to the pyruvate:ferredoxin/flavodoxin
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00009032,
CC ECO:0000256|PIRNR:PIRNR000159}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP003945; AFZ42794.1; -; Genomic_DNA.
DR RefSeq; WP_015224672.1; NC_019779.1.
DR AlphaFoldDB; K9Y7K8; -.
DR STRING; 65093.PCC7418_0566; -.
DR KEGG; hao:PCC7418_0566; -.
DR PATRIC; fig|65093.3.peg.597; -.
DR eggNOG; COG0674; Bacteria.
DR eggNOG; COG1013; Bacteria.
DR eggNOG; COG1014; Bacteria.
DR eggNOG; COG1145; Bacteria.
DR HOGENOM; CLU_002569_0_0_3; -.
DR OrthoDB; 9794954at2; -.
DR Proteomes; UP000010481; Chromosome.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0043873; F:pyruvate-flavodoxin oxidoreductase activity; IEA:RHEA.
DR GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:InterPro.
DR GO; GO:0022900; P:electron transport chain; IEA:InterPro.
DR GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR CDD; cd03377; TPP_PFOR_PNO; 1.
DR CDD; cd07034; TPP_PYR_PFOR_IOR-alpha_like; 1.
DR Gene3D; 3.30.70.20; -; 1.
DR Gene3D; 3.40.50.920; -; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR Gene3D; 3.40.920.10; Pyruvate-ferredoxin oxidoreductase, PFOR, domain III; 1.
DR Gene3D; 4.10.780.10; Pyruvate-flavodoxin oxidoreductase, EKR domain; 1.
DR InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR InterPro; IPR033412; PFOR_II.
DR InterPro; IPR037112; Pyrv-flavodox_OxR_EKR_sf.
DR InterPro; IPR019456; Pyrv-flavodox_OxRtase_EKR.
DR InterPro; IPR019752; Pyrv/ketoisovalerate_OxRed_cat.
DR InterPro; IPR002880; Pyrv_Fd/Flavodoxin_OxRdtase_N.
DR InterPro; IPR011895; Pyrv_flavodox_OxRed.
DR InterPro; IPR002869; Pyrv_flavodox_OxRed_cen.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR InterPro; IPR009014; Transketo_C/PFOR_II.
DR NCBIfam; TIGR02176; pyruv_ox_red; 1.
DR PANTHER; PTHR32154; PYRUVATE-FLAVODOXIN OXIDOREDUCTASE-RELATED; 1.
DR PANTHER; PTHR32154:SF0; PYRUVATE-FLAVODOXIN OXIDOREDUCTASE-RELATED; 1.
DR Pfam; PF10371; EKR; 1.
DR Pfam; PF12838; Fer4_7; 1.
DR Pfam; PF17147; PFOR_II; 1.
DR Pfam; PF01558; POR; 1.
DR Pfam; PF01855; POR_N; 1.
DR Pfam; PF02775; TPP_enzyme_C; 1.
DR PIRSF; PIRSF000159; NifJ; 1.
DR SMART; SM00890; EKR; 1.
DR SUPFAM; SSF54862; 4Fe-4S ferredoxins; 1.
DR SUPFAM; SSF53323; Pyruvate-ferredoxin oxidoreductase, PFOR, domain III; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
DR SUPFAM; SSF52922; TK C-terminal domain-like; 1.
DR PROSITE; PS00198; 4FE4S_FER_1; 1.
DR PROSITE; PS51379; 4FE4S_FER_2; 2.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|PIRSR:PIRSR000159-50};
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|PIRNR:PIRNR000159};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000159-50};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|PIRSR:PIRSR000159-
KW 50};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000159-50};
KW Nitrogen fixation {ECO:0000256|ARBA:ARBA00023231};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR000159}; Pyruvate {ECO:0000313|EMBL:AFZ42794.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000010481};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|PIRNR:PIRNR000159}.
FT DOMAIN 681..710
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT DOMAIN 737..767
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT BINDING 32
FT /ligand="pyruvate"
FT /ligand_id="ChEBI:CHEBI:15361"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 65
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 115
FT /ligand="pyruvate"
FT /ligand_id="ChEBI:CHEBI:15361"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 690
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 693
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 696
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 700
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 746
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 749
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 752
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 756
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 820
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 823
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 825
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 848
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT BINDING 848
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 970..973
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 999..1004
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-1"
FT BINDING 1079
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-50"
FT SITE 32
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-2"
FT SITE 65
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-2"
FT SITE 115
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-2"
FT SITE 1004
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000159-2"
SQ SEQUENCE 1180 AA; 129433 MW; 15D9E66C67003A3D CRC64;
MTAKKQTMLD GNEAIARVAY RLNEVIAIYP ITPASPMGEW PDAWASQGQP NLWGTVPSVV
EMQSEGGAAG AVHGSLQTGA LTTTFTASQG LLLMIPNLYK IAGELSRAVI HVAARSVAAQ
ALSIFGEHSD VMAARGTGFA FLSSASVQEA QDLALIAQAA TLKTRIPFLH FCDGFRTSHE
IQKIELLENE DLEAFVDEAD IFDHRQLALN PDHPVLRGTA QNPDVFFQAR ESVNSFYNDC
PAVVQAMMDK FGERTGRQYQ LYEYHGAPDA DRVVVLMGSG CETAHEAVDY LTAQGEKVGV
LKVRLYRPWD VHRFVESLPE TTRAIAVLDR TKEPGSSGEP LYLDVVTAVQ EAWTGTLPKV
VGGRYGLSSK EFTPAMVKGV LDNLSQAQPK NHFTIGINDD LTHTSLSYDP EFSTEPETVS
RAVFYGLGSD GTVGANKNSI KIIGSQTENY AQGYFVYDSK KSGAVTVSHL RFGPDPIRST
YLIDQANFVG CHQWSFLEKL DVLEVAADGA TFLLNSPYPA DQVWEHLPLE VQETIVRKGL
EVYAIDANKV ARESGMGGRI NTVMQTCFFA LSGVLPREEG IAQIKHAIEK TYGKKGTEIV
QMNLSAVDNA LDNLHRIDVQ TVNSPTHRQP PVPENAPPFV HDVLGKIIAR KGDELPVSAL
PCDGTYPTGT AKWEKRGVAQ EVPVWEPDVC VQCGKCIMVC PHAVIRGKAY DEGELNNAPS
EFKFTDVKDK AFQGQKFTIQ VSPEDCTGCG VCVDVCPAKD KTQPSRKAIN MAERLPIRDQ
EQENWDFFLD LPNPDRKQLN VERMRQQQWQ EPLFEFSGAC AGCGETPYVK LASQLFGDRM
VVANATGCSS IYGGNLPTTP WTQNADGRGP AWSNSLFEDN AEFGFGFRIS IDKQADFAKE
LLKKLAGEIG ENLVDGILNQ EQRSEADIWE QRERVAQLKE KLANLDSPEA KQLLTLADYL
VKKSVWIVGG DGWAYDIGFG GLDHVLASGR DVNILVMDTE VYSNTGGQAS KATPRAAVAK
FAAGGKPTAK KDLGAIAMTY GNVYVGSVAM GARDEHTLKV FLEAEAYPGP SLILAYSHCI
AHGINMKTAM GHQKDLVDSG RWLLYRYNPD LIAEGKNPLH MDSRAPKKPV KLSMYKENRF
QMLNKSDPEA AKQLLQDAQS DVEARWQRYQ QLASQGGSDQ
//
