ID   PHS_BRUA2               Reviewed;          97 AA.
AC   Q2YNV0;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   25-MAY-2022, entry version 72.
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=BAB1_0077;
OS   Brucella abortus (strain 2308).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=359391;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2308;
RX   PubMed=16299333; DOI=10.1128/iai.73.12.8353-8361.2005;
RA   Chain P.S., Comerci D.J., Tolmasky M.E., Larimer F.W., Malfatti S.A.,
RA   Vergez L.M., Aguero F., Land M.L., Ugalde R.A., Garcia E.;
RT   "Whole-genome analyses of speciation events in pathogenic Brucellae.";
RL   Infect. Immun. 73:8353-8361(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}.
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DR   EMBL; AM040264; CAJ10033.1; -; Genomic_DNA.
DR   RefSeq; WP_002965330.1; NZ_KN046823.1.
DR   AlphaFoldDB; Q2YNV0; -.
DR   SMR; Q2YNV0; -.
DR   STRING; 359391.BAB1_0077; -.
DR   EnsemblBacteria; CAJ10033; CAJ10033; BAB1_0077.
DR   GeneID; 45123580; -.
DR   GeneID; 55589881; -.
DR   KEGG; bmf:BAB1_0077; -.
DR   PATRIC; fig|359391.11.peg.1501; -.
DR   HOGENOM; CLU_081974_3_2_5; -.
DR   OMA; WAEKWNH; -.
DR   Proteomes; UP000002719; 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; Reference proteome.
FT   CHAIN           1..97
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_0000231442"
SQ   SEQUENCE   97 AA;  11054 MW;  3176828807D408F3 CRC64;
     MARNRLTESE MNEALRALDG WQKVDGREAI TRSFKFKDFS TAFGFMAQAA LYAEKLDHHP
     EWFNAYNRVD VTLATHSENG VTELDIKMAR KMNAIAG