ID A0A1N7LV32_9FLAO Unreviewed; 160 AA.
AC A0A1N7LV32;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 24-JAN-2024, entry version 24.
DE RecName: Full=6-carboxy-5,6,7,8-tetrahydropterin synthase {ECO:0000256|ARBA:ARBA00018141};
DE EC=4.1.2.50 {ECO:0000256|ARBA:ARBA00012982};
DE AltName: Full=Queuosine biosynthesis protein QueD {ECO:0000256|ARBA:ARBA00031449};
GN ORFNames=SAMN05421785_102521 {ECO:0000313|EMBL:SIS77707.1};
OS Chryseobacterium gambrini.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales; Weeksellaceae;
OC Chryseobacterium group; Chryseobacterium.
OX NCBI_TaxID=373672 {ECO:0000313|EMBL:SIS77707.1, ECO:0000313|Proteomes:UP000185781};
RN [1] {ECO:0000313|EMBL:SIS77707.1, ECO:0000313|Proteomes:UP000185781}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18014 {ECO:0000313|EMBL:SIS77707.1,
RC ECO:0000313|Proteomes:UP000185781};
RA Mah S.A., Swanson W.J., Moy G.W., Vacquier V.D.;
RL Submitted (JAN-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=7,8-dihydroneopterin 3'-triphosphate + H2O = 6-
CC carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + 2 H(+) +
CC triphosphate; Xref=Rhea:RHEA:27966, ChEBI:CHEBI:15343,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:18036,
CC ChEBI:CHEBI:58462, ChEBI:CHEBI:61032; EC=4.1.2.50;
CC Evidence={ECO:0000256|ARBA:ARBA00001293};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|PIRSR:PIRSR006113-2};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|PIRSR:PIRSR006113-2};
CC -!- PATHWAY: Purine metabolism; 7-cyano-7-deazaguanine biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005061}.
CC -!- SIMILARITY: Belongs to the PTPS family. QueD subfamily.
CC {ECO:0000256|ARBA:ARBA00008900}.
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DR EMBL; FTOV01000002; SIS77707.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1N7LV32; -.
DR STRING; 373672.SAMN05421785_102521; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000185781; Unassembled WGS sequence.
DR GO; GO:0070497; F:6-carboxy-5,6,7,8-tetrahydropterin synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR Gene3D; 3.30.479.10; 6-pyruvoyl tetrahydropterin synthase/QueD; 1.
DR InterPro; IPR007115; 6-PTP_synth/QueD.
DR InterPro; IPR038418; 6-PTP_synth/QueD_sf.
DR PANTHER; PTHR12589:SF7; 6-PYRUVOYL TETRAHYDROBIOPTERIN SYNTHASE; 1.
DR PANTHER; PTHR12589; PYRUVOYL TETRAHYDROBIOPTERIN SYNTHASE; 1.
DR Pfam; PF01242; PTPS; 1.
DR PIRSF; PIRSF006113; PTP_synth; 2.
DR SUPFAM; SSF55620; Tetrahydrobiopterin biosynthesis enzymes-like; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR006113-2};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRSR:PIRSR006113-2}.
FT ACT_SITE 35
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 85
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 146
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT BINDING 26
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT BINDING 39
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT BINDING 41
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
SQ SEQUENCE 160 AA; 18299 MW; C8EC3ECE02B6EF91 CRC64;
MNGTNQIPYL CRMIRITKIF TFETAHVLYN YDGKCKNMHG HSYKLFVTVK GKPVNDLENP
KNGMVVDFGD IKSIVKSEIV DVWDHAVLIN GLSPHRELGE DLEEKGHKVI YCTFQPTCEN
MLYAIAAKIK SKLLEGISLA YLKLHETENS YGEWFAEDNQ
//
