ID   PHS_RHILW               Reviewed;         101 AA.
AC   B5ZTF5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-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=Rleg2_3728;
OS   Rhizobium leguminosarum bv. trifolii (strain WSM2304).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=395492;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WSM2304;
RX   PubMed=21304679; DOI=10.4056/sigs.44642;
RA   Reeve W., O'Hara G., Chain P., Ardley J., Brau L., Nandesena K., Tiwari R.,
RA   Malfatti S., Kiss H., Lapidus A., Copeland A., Nolan M., Land M.,
RA   Ivanova N., Mavromatis K., Markowitz V., Kyrpides N., Melino V., Denton M.,
RA   Yates R., Howieson J.;
RT   "Complete genome sequence of Rhizobium leguminosarum bv trifolii strain
RT   WSM2304, an effective microsymbiont of the South American clover Trifolium
RT   polymorphum.";
RL   Stand. Genomic Sci. 2:66-76(2010).
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; CP001191; ACI56991.1; -; Genomic_DNA.
DR   RefSeq; WP_012559244.1; NC_011369.1.
DR   AlphaFoldDB; B5ZTF5; -.
DR   SMR; B5ZTF5; -.
DR   STRING; 395492.Rleg2_3728; -.
DR   EnsemblBacteria; ACI56991; ACI56991; Rleg2_3728.
DR   KEGG; rlt:Rleg2_3728; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_3_2_5; -.
DR   OMA; WAEKWNH; -.
DR   OrthoDB; 1862336at2; -.
DR   Proteomes; UP000008330; 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.
FT   CHAIN           1..101
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000192930"
SQ   SEQUENCE   101 AA;  11222 MW;  D6A47028C79EB98C CRC64;
     MKMERLERAT IEAEMAGLAG WALNDAASSI SKTFKFANFV EAFGFMTEAA IRAEKLNHHP
     EWFNVYSRVD VTLNTHDAGG LTELDFKLAK AMEKAAARRG V