ID   PHS_XANOR               Reviewed;         118 AA.
AC   Q5GYA0;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   04-APR-2006, sequence version 2.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Putative pterin-4-alpha-carbinolamine dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE            Short=PHS {ECO:0000255|HAMAP-Rule:MF_00434};
DE            EC=4.2.1.96 {ECO:0000255|HAMAP-Rule:MF_00434};
DE   AltName: Full=4-alpha-hydroxy-tetrahydropterin dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE   AltName: Full=Pterin carbinolamine dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE            Short=PCD {ECO:0000255|HAMAP-Rule:MF_00434};
GN   OrderedLocusNames=XOO3067;
OS   Xanthomonas oryzae pv. oryzae (strain KACC10331 / KXO85).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=291331;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KACC10331 / KXO85;
RX   PubMed=15673718; DOI=10.1093/nar/gki206;
RA   Lee B.-M., Park Y.-J., Park D.-S., Kang H.-W., Kim J.-G., Song E.-S.,
RA   Park I.-C., Yoon U.-H., Hahn J.-H., Koo B.-S., Lee G.-B., Kim H.,
RA   Park H.-S., Yoon K.-O., Kim J.-H., Jung C.-H., Koh N.-H., Seo J.-S.,
RA   Go S.-J.;
RT   "The genome sequence of Xanthomonas oryzae pathovar oryzae KACC10331, the
RT   bacterial blight pathogen of rice.";
RL   Nucleic Acids Res. 33:577-586(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin =
CC         (6R)-L-erythro-6,7-dihydrobiopterin + H2O; Xref=Rhea:RHEA:11920,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15642, ChEBI:CHEBI:43120; EC=4.2.1.96;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00434};
CC   -!- SIMILARITY: Belongs to the pterin-4-alpha-carbinolamine dehydratase
CC       family. {ECO:0000255|HAMAP-Rule:MF_00434}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAW76321.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE013598; AAW76321.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_011408966.1; NC_006834.1.
DR   AlphaFoldDB; Q5GYA0; -.
DR   SMR; Q5GYA0; -.
DR   STRING; 291331.XOO3067; -.
DR   EnsemblBacteria; AAW76321; AAW76321; XOO3067.
DR   KEGG; xoo:XOO3067; -.
DR   HOGENOM; CLU_081974_2_1_6; -.
DR   Proteomes; UP000006735; Chromosome.
DR   GO; GO:0008124; F:4-alpha-hydroxytetrahydrobiopterin dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006729; P:tetrahydrobiopterin biosynthetic process; IEA:InterPro.
DR   Gene3D; 3.30.1360.20; -; 1.
DR   HAMAP; MF_00434; Pterin_4_alpha; 1.
DR   InterPro; IPR036428; PCD_sf.
DR   InterPro; IPR001533; Pterin_deHydtase.
DR   PANTHER; PTHR12599; PTHR12599; 1.
DR   Pfam; PF01329; Pterin_4a; 1.
DR   SUPFAM; SSF55248; SSF55248; 1.
PE   3: Inferred from homology;
KW   Lyase; Reference proteome.
FT   CHAIN           1..118
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_0000231479"
SQ   SEQUENCE   118 AA;  13255 MW;  ED314F18BB9CD55D CRC64;
     MTDLIPLEQA HCLPRKGSDH KLGEARLAEL LPQVPGWELA EAGMALTRTF RFADYYHTLA
     FVNALAWIAH REDHHPDLGV HYDRVVVRYS THDVGGLSEN DFICAAKTAR LYDQGITA