ID A0A0S8IFR8_9BACT Unreviewed; 120 AA.
AC A0A0S8IFR8;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, 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=AMJ95_14160 {ECO:0000313|EMBL:KPK96455.1};
OS Omnitrophica WOR_2 bacterium SM23_72.
OC Bacteria; Candidatus Omnitrophota.
OX NCBI_TaxID=1703777 {ECO:0000313|EMBL:KPK96455.1, ECO:0000313|Proteomes:UP000051899};
RN [1] {ECO:0000313|EMBL:KPK96455.1, ECO:0000313|Proteomes:UP000051899}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SM23_72 {ECO:0000313|EMBL:KPK96455.1};
RX PubMed=25922666; DOI=10.1186/s40168-015-0077-6;
RA Baker B.J., Lazar C.S., Teske A.P., Dick G.J.;
RT "Genomic resolution of linkages in carbon, nitrogen, and sulfur cycling
RT among widespread estuary sediment bacteria.";
RL Microbiome 3:14-14(2015).
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}.
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:KPK96455.1}.
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DR EMBL; LJUU01000118; KPK96455.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S8IFR8; -.
DR PATRIC; fig|1703777.3.peg.2280; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000051899; 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 NCBIfam; TIGR03367; queuosine_QueD; 1.
DR PANTHER; PTHR12589:SF8; 6-CARBOXY-5,6,7,8-TETRAHYDROPTERIN SYNTHASE; 1.
DR PANTHER; PTHR12589; PYRUVOYL TETRAHYDROBIOPTERIN SYNTHASE; 1.
DR Pfam; PF01242; PTPS; 1.
DR PIRSF; PIRSF006113; PTP_synth; 1.
DR SUPFAM; SSF55620; Tetrahydrobiopterin biosynthesis enzymes-like; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|PIRNR:PIRNR006113};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR006113,
KW ECO:0000256|PIRSR:PIRSR006113-2};
KW Queuosine biosynthesis {ECO:0000256|PIRNR:PIRNR006113};
KW Zinc {ECO:0000256|PIRNR:PIRNR006113, ECO:0000256|PIRSR:PIRSR006113-2}.
FT ACT_SITE 23
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 67
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 108
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT BINDING 14
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT BINDING 27
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"
SQ SEQUENCE 120 AA; 14097 MW; B0061E6946231299 CRC64;
MFIIKVEGHF SSAHNLRGYR GKCETLHGHN WKVEAAVARP SLDKTGMVLD FKVLKKRLQN
VLDKLDHKHL NKLPYFKKVN PSSERIAEYV YRRLKSRMQN LRSVTVWEND TSSATYHEEE
//
