ID Q8KEA7_CHLTE Unreviewed; 149 AA.
AC Q8KEA7;
DT 01-OCT-2002, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2002, sequence version 1.
DT 27-MAR-2024, entry version 102.
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 OrderedLocusNames=CT0782 {ECO:0000313|EMBL:AAM72019.1};
OS Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS)
OS (Chlorobium tepidum).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chlorobiaceae;
OC Chlorobaculum.
OX NCBI_TaxID=194439 {ECO:0000313|EMBL:AAM72019.1, ECO:0000313|Proteomes:UP000001007};
RN [1] {ECO:0000313|EMBL:AAM72019.1, ECO:0000313|Proteomes:UP000001007}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49652 / DSM 12025 / NBRC 103806 / TLS
RC {ECO:0000313|Proteomes:UP000001007};
RX PubMed=12093901; DOI=10.1073/pnas.132181499;
RA Eisen J.A., Nelson K.E., Paulsen I.T., Heidelberg J.F., Wu M., Dodson R.J.,
RA Deboy R., Gwinn M.L., Nelson W.C., Haft D.H., Hickey E.K., Peterson J.D.,
RA Durkin A.S., Kolonay J.L., Yang F., Holt I., Umayam L.A., Mason T.,
RA Brenner M., Shea T.P., Parksey D., Nierman W.C., Feldblyum T.V.,
RA Hansen C.L., Craven M.B., Radune D., Vamathevan J., Khouri H., White O.,
RA Gruber T.M., Ketchum K.A., Venter J.C., Tettelin H., Bryant D.A.,
RA Fraser C.M.;
RT "The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic,
RT anaerobic, green-sulfur bacterium.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:9509-9514(2002).
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; AE006470; AAM72019.1; -; Genomic_DNA.
DR RefSeq; NP_661677.1; NC_002932.3.
DR RefSeq; WP_010932464.1; NC_002932.3.
DR AlphaFoldDB; Q8KEA7; -.
DR STRING; 194439.CT0782; -.
DR EnsemblBacteria; AAM72019; AAM72019; CT0782.
DR KEGG; cte:CT0782; -.
DR PATRIC; fig|194439.7.peg.712; -.
DR eggNOG; COG0720; Bacteria.
DR HOGENOM; CLU_111016_2_0_10; -.
DR OrthoDB; 9804698at2; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000001007; Chromosome.
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; 1.
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 Reference proteome {ECO:0000313|Proteomes:UP000001007};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRNR:PIRNR006113}.
FT ACT_SITE 42
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 89
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT ACT_SITE 138
FT /note="Charge relay system"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-1"
FT BINDING 23
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT BINDING 48
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
FT BINDING 50
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|PIRSR:PIRSR006113-2"
SQ SEQUENCE 149 AA; 17319 MW; D75702EE4E703690 CRC64;
MNDIVEKPRK IYVTRQIEFN AAHRLFNPEL SDEENQQLYG KCSGKYGHGH NYLLEITLSG
IIDRKTGYLF DLKELKKILE EEIVARFDHR HLNHEVNELA GHVPTTEILA VIVWEILDSR
LKTITKQEVS LHEVIIHETG KNSVTYRGE
//
