ID I0SXF3_STRMT Unreviewed; 264 AA.
AC I0SXF3;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 39.
DE RecName: Full=Pyruvate formate-lyase-activating enzyme {ECO:0000256|ARBA:ARBA00021356, ECO:0000256|RuleBase:RU362053};
DE EC=1.97.1.4 {ECO:0000256|ARBA:ARBA00012303, ECO:0000256|RuleBase:RU362053};
GN Name=pflA {ECO:0000313|EMBL:EID28056.1};
GN ORFNames=HMPREF1048_1026 {ECO:0000313|EMBL:EID28056.1};
OS Streptococcus mitis SK575.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=1095736 {ECO:0000313|EMBL:EID28056.1, ECO:0000313|Proteomes:UP000005505};
RN [1] {ECO:0000313|EMBL:EID28056.1, ECO:0000313|Proteomes:UP000005505}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SK575 {ECO:0000313|EMBL:EID28056.1,
RC ECO:0000313|Proteomes:UP000005505};
RA Harkins D.M., Madupu R., Durkin A.S., Torralba M., Methe B., Sutton G.G.,
RA Nelson K.E.;
RL Submitted (FEB-2012) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00003141,
CC 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EID28056.1}.
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DR EMBL; AICU01000065; EID28056.1; -; Genomic_DNA.
DR RefSeq; WP_001288288.1; NZ_AICU01000065.1.
DR AlphaFoldDB; I0SXF3; -.
DR GeneID; 61381500; -.
DR PATRIC; fig|1095736.3.peg.1124; -.
DR OrthoDB; 9782387at2; -.
DR Proteomes; UP000005505; Unassembled WGS sequence.
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:0016829; F:lyase activity; IEA:UniProtKB-KW.
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:SF23; 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|ARBA:ARBA00022490, 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 Lyase {ECO:0000313|EMBL:EID28056.1};
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:EID28056.1};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691,
KW ECO:0000256|RuleBase:RU362053}.
FT DOMAIN 24..253
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
SQ SEQUENCE 264 AA; 30125 MW; 8B5E39C14DA5D81C CRC64;
MSEETIDYGQ VTGMVHSTES FGSVDGPGIR FIVFLQGCHM RCQYCHNPDT WAMESNKSRE
RTVDDVLTEA LRYRGFWGNK GGITVSGGEA LLQIDFLIAL FTKAKEQGIH CTLDTCALPF
RNKPRYLEKF DKLMAVTDLV LLDIKEINEE QHKIVTSQTN KNILACAQYL SDIGKPVWIR
HVLVPGLTDR DDDLIELGKF VKTLKNVDKF EILPYHTMGE FKWRELGIPY SLEGVKPPTA
DRVKNAKKLM DTESYQDYMK RVHG
//
