ID   PHS_BRUMB               Reviewed;          97 AA.
AC   C0RGE2;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 56.
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=BMEA_A0085;
OS   Brucella melitensis biotype 2 (strain ATCC 23457).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=546272;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23457;
RA   Setubal J.C., Boyle S., Crasta O.R., Gillespie J.J., Kenyon R.W., Lu J.,
RA   Mane S., Nagrani S., Shallom J.M., Shallom S., Shukla M., Snyder E.E.,
RA   Sobral B.W., Wattam A.R., Will R., Williams K., Yoo H., Munk C., Tapia R.,
RA   Han C., Detter J.C., Bruce D., Brettin T.S.;
RT   "Brucella melitensis ATCC 23457 whole genome shotgun sequencing project.";
RL   Submitted (MAR-2009) 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; CP001488; ACN99899.1; -; Genomic_DNA.
DR   RefSeq; WP_002965330.1; NC_012441.1.
DR   AlphaFoldDB; C0RGE2; -.
DR   SMR; C0RGE2; -.
DR   EnsemblBacteria; ACN99899; ACN99899; BMEA_A0085.
DR   GeneID; 45123580; -.
DR   GeneID; 55589881; -.
DR   KEGG; bmi:BMEA_A0085; -.
DR   HOGENOM; CLU_081974_3_2_5; -.
DR   OMA; WAEKWNH; -.
DR   Proteomes; UP000001748; Chromosome I.
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.
FT   CHAIN           1..97
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000134946"
SQ   SEQUENCE   97 AA;  11054 MW;  3176828807D408F3 CRC64;
     MARNRLTESE MNEALRALDG WQKVDGREAI TRSFKFKDFS TAFGFMAQAA LYAEKLDHHP
     EWFNAYNRVD VTLATHSENG VTELDIKMAR KMNAIAG