ID   PHS_BDEBA               Reviewed;         120 AA.
AC   P61732;
DT   07-JUN-2004, integrated into UniProtKB/Swiss-Prot.
DT   07-JUN-2004, sequence version 1.
DT   25-MAY-2022, entry version 85.
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=Bd0889;
OS   Bdellovibrio bacteriovorus (strain ATCC 15356 / DSM 50701 / NCIMB 9529 /
OS   HD100).
OC   Bacteria; Proteobacteria; Oligoflexia; Bdellovibrionales;
OC   Bdellovibrionaceae; Bdellovibrio.
OX   NCBI_TaxID=264462;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15356 / DSM 50701 / NCIMB 9529 / HD100;
RX   PubMed=14752164; DOI=10.1126/science.1093027;
RA   Rendulic S., Jagtap P., Rosinus A., Eppinger M., Baar C., Lanz C.,
RA   Keller H., Lambert C., Evans K.J., Goesmann A., Meyer F., Sockett R.E.,
RA   Schuster S.C.;
RT   "A predator unmasked: life cycle of Bdellovibrio bacteriovorus from a
RT   genomic perspective.";
RL   Science 303:689-692(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; BX842648; CAE78833.1; -; Genomic_DNA.
DR   RefSeq; WP_011163435.1; NC_005363.1.
DR   AlphaFoldDB; P61732; -.
DR   SMR; P61732; -.
DR   STRING; 264462.Bd0889; -.
DR   EnsemblBacteria; CAE78833; CAE78833; Bd0889.
DR   KEGG; bba:Bd0889; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_2_1_7; -.
DR   OMA; FHHPGIL; -.
DR   OrthoDB; 1862336at2; -.
DR   Proteomes; UP000008080; 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..120
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_0000063071"
SQ   SEQUENCE   120 AA;  13555 MW;  85767732DF741337 CRC64;
     MMSQTELLRK KSHPVDQALT PEEIQQYLTV LDGWSLQGLH IAKSFEFKNY YQTIAFVNAI
     AFIVHTEDHH PELEVGYNRC VVKFYTHSVN EGLGGISEND FICAAKIDAL AGNQFAPMSH