ID B1LYV6_METRJ Unreviewed; 210 AA.
AC B1LYV6;
DT 29-APR-2008, integrated into UniProtKB/TrEMBL.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=7-carboxy-7-deazaguanine synthase {ECO:0000256|HAMAP-Rule:MF_00917};
DE Short=CDG synthase {ECO:0000256|HAMAP-Rule:MF_00917};
DE EC=4.3.99.3 {ECO:0000256|HAMAP-Rule:MF_00917};
DE AltName: Full=Queuosine biosynthesis protein QueE {ECO:0000256|HAMAP-Rule:MF_00917};
GN Name=queE {ECO:0000256|HAMAP-Rule:MF_00917};
GN OrderedLocusNames=Mrad2831_2382 {ECO:0000313|EMBL:ACB24377.1};
OS Methylobacterium radiotolerans (strain ATCC 27329 / DSM 1819 / JCM 2831 /
OS NBRC 15690 / NCIMB 10815 / 0-1).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Methylobacteriaceae; Methylobacterium.
OX NCBI_TaxID=426355 {ECO:0000313|EMBL:ACB24377.1, ECO:0000313|Proteomes:UP000006589};
RN [1] {ECO:0000313|EMBL:ACB24377.1, ECO:0000313|Proteomes:UP000006589}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27329 / DSM 1819 / JCM 2831 / NBRC 15690 / NCIMB 10815 /
RC 0-1 {ECO:0000313|Proteomes:UP000006589};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Kiss H., Brettin T., Detter J.C., Han C.,
RA Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA Mikhailova N., Marx C.J., Richardson P.;
RT "Complete sequence of chromosome of Methylobacterium radiotolerans JCM
RT 2831.";
RL Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the complex heterocyclic radical-mediated
CC conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7-
CC deazaguanine (CDG), a step common to the biosynthetic pathways of all
CC 7-deazapurine-containing compounds. {ECO:0000256|HAMAP-Rule:MF_00917}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=6-carboxy-5,6,7,8-tetrahydropterin + H(+) = 7-carboxy-7-
CC deazaguanine + NH4(+); Xref=Rhea:RHEA:27974, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:28938, ChEBI:CHEBI:61032, ChEBI:CHEBI:61036; EC=4.3.99.3;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00917};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00917};
CC -!- COFACTOR:
CC Name=S-adenosyl-L-methionine; Xref=ChEBI:CHEBI:59789;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00917};
CC Note=Binds 1 S-adenosyl-L-methionine per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00917};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00917};
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|HAMAP-Rule:MF_00917};
CC -!- PATHWAY: Purine metabolism; 7-cyano-7-deazaguanine biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_00917}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00917}.
CC -!- SIMILARITY: Belongs to the radical SAM superfamily. 7-carboxy-7-
CC deazaguanine synthase family. {ECO:0000256|HAMAP-Rule:MF_00917}.
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DR EMBL; CP001001; ACB24377.1; -; Genomic_DNA.
DR RefSeq; WP_012319350.1; NC_010505.1.
DR AlphaFoldDB; B1LYV6; -.
DR STRING; 426355.Mrad2831_2382; -.
DR KEGG; mrd:Mrad2831_2382; -.
DR eggNOG; COG0602; Bacteria.
DR HOGENOM; CLU_066739_0_1_5; -.
DR OrthoDB; 9792276at2; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000006589; Chromosome.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016840; F:carbon-nitrogen lyase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:1904047; F:S-adenosyl-L-methionine binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008616; P:queuosine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00917; QueE; 1.
DR InterPro; IPR024924; 7-CO-7-deazaguanine_synth-like.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR030977; QueE_Cx14CxxC.
DR InterPro; IPR007197; rSAM.
DR NCBIfam; TIGR04508; queE_Cx14CxxC; 1.
DR PANTHER; PTHR42836; 7-CARBOXY-7-DEAZAGUANINE SYNTHASE; 1.
DR PANTHER; PTHR42836:SF1; 7-CARBOXY-7-DEAZAGUANINE SYNTHASE; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR PIRSF; PIRSF000370; QueE; 1.
DR SFLD; SFLDF00376; 7-carboxy-7-deazaguanine_synth; 1.
DR SFLD; SFLDS00029; Radical_SAM; 1.
DR SUPFAM; SSF102114; Radical SAM enzymes; 1.
DR PROSITE; PS51918; RADICAL_SAM; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_00917};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00917};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_00917};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00917};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00917};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00917};
KW Queuosine biosynthesis {ECO:0000256|ARBA:ARBA00022785, ECO:0000256|HAMAP-
KW Rule:MF_00917};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_00917}.
FT DOMAIN 18..210
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
FT BINDING 12..14
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 27
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 31
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 46
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 48..50
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 49
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 51
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 90
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 92
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 133..135
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 173..176
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
FT BINDING 210
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00917"
SQ SEQUENCE 210 AA; 22240 MW; EF478D056ACDD7D3 CRC64;
MAYAVKEIFH TLQGEGAQAG RAAVFCRFAG CNLWSGREAD RAAAACRFCD TDFVGMDGEG
GGRFADAASL ADAIAATWAG GAENRYVVFT GGEPLLQLDT PLIEAVHAAG FEIAIETNGT
LPAPPGIDWI CVSPKGSNAL AQVSGHELKL VYPQADADPA AFVGLAFQHR FLQPMDGPDR
AASTEAAIAY CRRDARWRLS LQTHKMIGIP
//
