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Entry: A0A1K1Q304_9FLAO
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ID   A0A1K1Q304_9FLAO        Unreviewed;       149 AA.
AC   A0A1K1Q304;
DT   15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT   15-FEB-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, ECO:0000256|PIRNR:PIRNR006113};
DE            EC=4.-.-.- {ECO:0000256|PIRNR:PIRNR006113};
GN   ORFNames=SAMN05660313_02289 {ECO:0000313|EMBL:SFW54287.1};
OS   Cellulophaga fucicola.
OC   Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Cellulophaga.
OX   NCBI_TaxID=76595 {ECO:0000313|EMBL:SFW54287.1, ECO:0000313|Proteomes:UP000183257};
RN   [1] {ECO:0000313|EMBL:SFW54287.1, ECO:0000313|Proteomes:UP000183257}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 24786 {ECO:0000313|EMBL:SFW54287.1,
RC   ECO:0000313|Proteomes:UP000183257};
RA   Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL   Submitted (NOV-2016) 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         ECO:0000256|PIRNR:PIRNR006113};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000256|PIRNR:PIRNR006113,
CC         ECO:0000256|PIRSR:PIRSR006113-2};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000256|PIRNR:PIRNR006113,
CC       ECO:0000256|PIRSR:PIRSR006113-2};
CC   -!- PATHWAY: Purine metabolism; 7-cyano-7-deazaguanine biosynthesis.
CC       {ECO:0000256|ARBA:ARBA00005061, ECO:0000256|PIRNR:PIRNR006113}.
CC   -!- SIMILARITY: Belongs to the PTPS family. QueD subfamily.
CC       {ECO:0000256|ARBA:ARBA00008900, ECO:0000256|PIRNR:PIRNR006113}.
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DR   EMBL; FPIY01000003; SFW54287.1; -; Genomic_DNA.
DR   RefSeq; WP_072303935.1; NZ_FPIY01000003.1.
DR   AlphaFoldDB; A0A1K1Q304; -.
DR   STRING; 76595.SAMN05660313_02289; -.
DR   OrthoDB; 9804698at2; -.
DR   UniPathway; UPA00391; -.
DR   Proteomes; UP000183257; 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   GO; GO:0008616; P:queuosine biosynthetic process; 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, ECO:0000256|PIRNR:PIRNR006113};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW   ECO:0000256|PIRNR:PIRNR006113};
KW   Queuosine biosynthesis {ECO:0000256|PIRNR:PIRNR006113};
KW   Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRNR:PIRNR006113}.
FT   ACT_SITE        25
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT   ACT_SITE        75
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT   ACT_SITE        136
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT   BINDING         16
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT   BINDING         29
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT   BINDING         31
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
SQ   SEQUENCE   149 AA;  16865 MW;  A420CFFA02EE53D7 CRC64;
     MSNIRITKQF SFETGHALYG YDGKCRNVHG HSYKLSVTVI GSPITDTTNV KLGMVIDFSD
     LKKIVKEEIV DVYDHATVFN KNTPHVELAH ELTQRGHSVI LADYQPTSEN MVIDFAAKIK
     ARLPENINLH SLRLQETDSS FAEWYALDN
//
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