ID   PHS_AFIC5               Reviewed;         100 AA.
AC   B6JAT9; F8BSS3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   25-MAY-2022, entry version 68.
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=OCAR_4303, OCA5_c02210;
OS   Afipia carboxidovorans (strain ATCC 49405 / DSM 1227 / KCTC 32145 / OM5)
OS   (Oligotropha carboxidovorans).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Afipia.
OX   NCBI_TaxID=504832;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX   PubMed=18539730; DOI=10.1128/jb.00614-08;
RA   Paul D., Bridges S., Burgess S.C., Dandass Y., Lawrence M.L.;
RT   "Genome sequence of the chemolithoautotrophic bacterium Oligotropha
RT   carboxidovorans OM5T.";
RL   J. Bacteriol. 190:5531-5532(2008).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX   PubMed=21742883; DOI=10.1128/jb.05619-11;
RA   Volland S., Rachinger M., Strittmatter A., Daniel R., Gottschalk G.,
RA   Meyer O.;
RT   "Complete genome sequences of the chemolithoautotrophic Oligotropha
RT   carboxidovorans strains OM4 and OM5.";
RL   J. Bacteriol. 193:5043-5043(2011).
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; CP001196; ACI91452.1; -; Genomic_DNA.
DR   EMBL; CP002826; AEI04950.1; -; Genomic_DNA.
DR   RefSeq; WP_012561483.1; NC_015684.1.
DR   AlphaFoldDB; B6JAT9; -.
DR   SMR; B6JAT9; -.
DR   STRING; 504832.OCAR_4303; -.
DR   EnsemblBacteria; AEI04950; AEI04950; OCA5_c02210.
DR   KEGG; oca:OCAR_4303; -.
DR   KEGG; ocg:OCA5_c02210; -.
DR   PATRIC; fig|504832.7.peg.231; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_3_2_5; -.
DR   OMA; WAEKWNH; -.
DR   OrthoDB; 1862336at2; -.
DR   Proteomes; UP000007730; 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..100
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000192922"
SQ   SEQUENCE   100 AA;  11155 MW;  8C15A6FCEBEAACEC CRC64;
     MGDLLSDEAR RAALVELPGW READGGKAFT RTFTFRNFNE AFGFMTRAAL VAEKNDHHPD
     WRNVYKTVEV NLSTHDAGGI TARDVALAKK MNEIAARFGI