ID   PHS_RUBXD               Reviewed;         107 AA.
AC   Q1AUE0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
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=Rxyl_2043;
OS   Rubrobacter xylanophilus (strain DSM 9941 / NBRC 16129 / PRD-1).
OC   Bacteria; Actinobacteria; Rubrobacteria; Rubrobacterales; Rubrobacteraceae;
OC   Rubrobacter.
OX   NCBI_TaxID=266117;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 9941 / NBRC 16129 / PRD-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Munk A.C., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A., da Costa M.S.,
RA   Rainey F.A., Empadinhas N., Jolivet E., Battista J.R., Richardson P.;
RT   "Complete sequence of Rubrobacter xylanophilus DSM 9941.";
RL   Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000386; ABG04988.1; -; Genomic_DNA.
DR   RefSeq; WP_011565003.1; NC_008148.1.
DR   AlphaFoldDB; Q1AUE0; -.
DR   SMR; Q1AUE0; -.
DR   STRING; 266117.Rxyl_2043; -.
DR   EnsemblBacteria; ABG04988; ABG04988; Rxyl_2043.
DR   KEGG; rxy:Rxyl_2043; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_2_2_11; -.
DR   OrthoDB; 1862336at2; -.
DR   PhylomeDB; Q1AUE0; -.
DR   Proteomes; UP000006637; 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   Pfam; PF01329; Pterin_4a; 1.
DR   SUPFAM; SSF55248; SSF55248; 1.
PE   3: Inferred from homology;
KW   Lyase; Reference proteome.
FT   CHAIN           1..107
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000050450"
SQ   SEQUENCE   107 AA;  12361 MW;  A04E446024BB326A CRC64;
     MSELAEKECV PCKGGVPPLK GEELERLARQ LPGWEVVDEH HLRRSFRFRN FREALDFVNR
     VGELAEEQNH HPDICFGWGR AEITVFTHKI DGLTESDFVF AAKVDRL