ID   PHS_NOCFA               Reviewed;          95 AA.
AC   Q5YQC8;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 87.
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=NFA_47610;
OS   Nocardia farcinica (strain IFM 10152).
OC   Bacteria; Actinobacteria; Corynebacteriales; Nocardiaceae; Nocardia.
OX   NCBI_TaxID=247156;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IFM 10152;
RX   PubMed=15466710; DOI=10.1073/pnas.0406410101;
RA   Ishikawa J., Yamashita A., Mikami Y., Hoshino Y., Kurita H., Hotta K.,
RA   Shiba T., Hattori M.;
RT   "The complete genomic sequence of Nocardia farcinica IFM 10152.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:14925-14930(2004).
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}.
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DR   EMBL; AP006618; BAD59613.1; -; Genomic_DNA.
DR   RefSeq; WP_011211297.1; NC_006361.1.
DR   AlphaFoldDB; Q5YQC8; -.
DR   SMR; Q5YQC8; -.
DR   STRING; 247156.NFA_47610; -.
DR   EnsemblBacteria; BAD59613; BAD59613; NFA_47610.
DR   GeneID; 61135358; -.
DR   KEGG; nfa:NFA_47610; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_4_3_11; -.
DR   OMA; NFAQMVG; -.
DR   Proteomes; UP000006820; 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..95
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_0000231457"
SQ   SEQUENCE   95 AA;  10442 MW;  857B9178E6AF7D0D CRC64;
     MTTELLSDEQ IATALQDLPD WTRSGDEISR TVQAESFPAA IALVDRVAEA AERAGHHPDI
     DIRWRTVTFT LSTHSAGGLT GRDIDLARQI DELAR