ID Q6LNK2_PHOPR Unreviewed; 246 AA.
AC Q6LNK2;
DT 05-JUL-2004, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2004, sequence version 1.
DT 24-JAN-2024, entry version 106.
DE RecName: Full=Pyruvate formate-lyase-activating enzyme {ECO:0000256|RuleBase:RU362053};
DE EC=1.97.1.4 {ECO:0000256|RuleBase:RU362053};
GN Name=PFLA {ECO:0000313|EMBL:CAG21124.1};
GN OrderedLocusNames=PBPRA2752 {ECO:0000313|EMBL:CAG21124.1};
OS Photobacterium profundum (strain SS9).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=298386 {ECO:0000313|EMBL:CAG21124.1, ECO:0000313|Proteomes:UP000000593};
RN [1] {ECO:0000313|Proteomes:UP000000593}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1253 / SS9 {ECO:0000313|Proteomes:UP000000593};
RX PubMed=15746425; DOI=10.1126/science.1103341;
RA Vezzi A., Campanaro S., D'Angelo M., Simonato F., Vitulo N., Lauro F.M.,
RA Cestaro A., Malacrida G., Simionati B., Cannata N., Romualdi C.,
RA Bartlett D.H., Valle G.;
RT "Life at depth: Photobacterium profundum genome sequence and expression
RT analysis.";
RL Science 307:1459-1461(2005).
CC -!- FUNCTION: Activation of pyruvate formate-lyase 1 under anaerobic
CC conditions by generation of an organic free radical, using S-
CC adenosylmethionine and reduced flavodoxin as cosubstrates to produce
CC 5'-deoxy-adenosine. {ECO:0000256|ARBA:ARBA00002918}.
CC -!- FUNCTION: Activation of pyruvate formate-lyase under anaerobic
CC conditions by generation of an organic free radical, using S-
CC adenosylmethionine and reduced flavodoxin as cosubstrates to produce
CC 5'-deoxy-adenosine. {ECO:0000256|RuleBase:RU362053}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=glycyl-[formate C-acetyltransferase] + reduced [flavodoxin] +
CC S-adenosyl-L-methionine = 5'-deoxyadenosine + glycin-2-yl radical-
CC [formate C-acetyltransferase] + H(+) + L-methionine + semiquinone
CC [flavodoxin]; Xref=Rhea:RHEA:19225, Rhea:RHEA-COMP:10622, Rhea:RHEA-
CC COMP:12190, Rhea:RHEA-COMP:12191, Rhea:RHEA-COMP:14480,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17319, ChEBI:CHEBI:29947,
CC ChEBI:CHEBI:32722, ChEBI:CHEBI:57618, ChEBI:CHEBI:57844,
CC ChEBI:CHEBI:59789, ChEBI:CHEBI:140311; EC=1.97.1.4;
CC Evidence={ECO:0000256|ARBA:ARBA00001872,
CC ECO:0000256|RuleBase:RU362053};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|RuleBase:RU362053};
CC Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3
CC cysteines and an exchangeable S-adenosyl-L-methionine.
CC {ECO:0000256|RuleBase:RU362053};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|RuleBase:RU362053}.
CC -!- SIMILARITY: Belongs to the organic radical-activating enzymes family.
CC {ECO:0000256|ARBA:ARBA00009777, ECO:0000256|RuleBase:RU362053}.
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DR EMBL; CR378672; CAG21124.1; -; Genomic_DNA.
DR RefSeq; WP_011219399.1; NC_006370.1.
DR AlphaFoldDB; Q6LNK2; -.
DR STRING; 298386.PBPRA2752; -.
DR KEGG; ppr:PBPRA2752; -.
DR eggNOG; COG1180; Bacteria.
DR HOGENOM; CLU_058969_1_0_6; -.
DR OMA; IGVPNKR; -.
DR Proteomes; UP000000593; Chromosome 1.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0043365; F:[formate-C-acetyltransferase]-activating enzyme activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR CDD; cd01335; Radical_SAM; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR034457; Organic_radical-activating.
DR InterPro; IPR012839; Organic_radical_activase.
DR InterPro; IPR012838; PFL1_activating.
DR InterPro; IPR034465; Pyruvate_for-lyase_activase.
DR InterPro; IPR001989; Radical_activat_CS.
DR InterPro; IPR007197; rSAM.
DR NCBIfam; TIGR02493; PFLA; 1.
DR PANTHER; PTHR30352:SF5; PYRUVATE FORMATE-LYASE 1-ACTIVATING ENZYME; 1.
DR PANTHER; PTHR30352; PYRUVATE FORMATE-LYASE-ACTIVATING ENZYME; 1.
DR Pfam; PF13353; Fer4_12; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR PIRSF; PIRSF000371; PFL_act_enz; 2.
DR SFLD; SFLDG01066; organic_radical-activating_enz; 1.
DR SFLD; SFLDF00278; pyruvate_formate-lyase_activas; 1.
DR SUPFAM; SSF102114; Radical SAM enzymes; 1.
DR PROSITE; PS01087; RADICAL_ACTIVATING; 1.
DR PROSITE; PS51918; RADICAL_SAM; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|RuleBase:RU362053};
KW Cytoplasm {ECO:0000256|RuleBase:RU362053};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|RuleBase:RU362053};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|RuleBase:RU362053};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU362053};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU362053}; Pyruvate {ECO:0000313|EMBL:CAG21124.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000000593};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691,
KW ECO:0000256|RuleBase:RU362053}.
FT DOMAIN 16..243
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
SQ SEQUENCE 246 AA; 28199 MW; 04EF9C80E594A18B CRC64;
MSVKGRIHSF ESCGTVDGPG IRFIIFMQGC LMRCQYCHNR DTWDLHDGRE ISVEEIMKEA
VSYRHFMKAS GGGVTASGGE AMLQPEFIRD FFRAAQAENI HTCLDTNGYI RKHTDVVDEV
LDATDLVMLD LKQMDDTIHQ ELVGVSNKRV LDFARYLHKR GQKTWIRYVI VPGYTDDEQS
AHNLGAFIKD MDNIEKIELL PYHQLGEHKW DAMGYDYPLS GVQPPSKETM EKMKEIISSY
GHKVIY
//