ID   PHS_STRCO               Reviewed;         101 AA.
AC   O86722;
DT   29-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1998, sequence version 1.
DT   25-MAY-2022, entry version 110.
DE   RecName: Full=Putative pterin-4-alpha-carbinolamine dehydratase;
DE            Short=PHS;
DE            EC=4.2.1.96;
DE   AltName: Full=4-alpha-hydroxy-tetrahydropterin dehydratase;
DE   AltName: Full=Pterin carbinolamine dehydratase;
DE            Short=PCD;
GN   OrderedLocusNames=SCO6540; ORFNames=SC5C7.25;
OS   Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145).
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces; Streptomyces albidoflavus group.
OX   NCBI_TaxID=100226;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-471 / A3(2) / M145;
RX   PubMed=12000953; DOI=10.1038/417141a;
RA   Bentley S.D., Chater K.F., Cerdeno-Tarraga A.-M., Challis G.L.,
RA   Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D.,
RA   Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A.,
RA   Fraser A., Goble A., Hidalgo J., Hornsby T., Howarth S., Huang C.-H.,
RA   Kieser T., Larke L., Murphy L.D., Oliver K., O'Neil S., Rabbinowitsch E.,
RA   Rajandream M.A., Rutherford K.M., Rutter S., Seeger K., Saunders D.,
RA   Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A.,
RA   Woodward J.R., Barrell B.G., Parkhill J., Hopwood D.A.;
RT   "Complete genome sequence of the model actinomycete Streptomyces coelicolor
RT   A3(2).";
RL   Nature 417:141-147(2002).
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   -!- SIMILARITY: Belongs to the pterin-4-alpha-carbinolamine dehydratase
CC       family. {ECO:0000305}.
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DR   EMBL; AL939128; CAA20637.1; -; Genomic_DNA.
DR   PIR; T35232; T35232.
DR   RefSeq; NP_630621.1; NC_003888.3.
DR   RefSeq; WP_003972439.1; NZ_VNID01000002.1.
DR   AlphaFoldDB; O86722; -.
DR   SMR; O86722; -.
DR   STRING; 100226.SCO6540; -.
DR   GeneID; 1101979; -.
DR   KEGG; sco:SCO6540; -.
DR   PATRIC; fig|100226.15.peg.6643; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_4_3_11; -.
DR   InParanoid; O86722; -.
DR   OMA; VHIAQVQ; -.
DR   PhylomeDB; O86722; -.
DR   Proteomes; UP000001973; Chromosome.
DR   GO; GO:0008124; F:4-alpha-hydroxytetrahydrobiopterin dehydratase activity; IBA:GO_Central.
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..101
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_0000063097"
SQ   SEQUENCE   101 AA;  10822 MW;  DB175F371A11C159 CRC64;
     MPAEPLSPQE VEERLATLPG WSLDAGRLTR SYRLGSHFAA AAMVVHVAQV QEELDHHSDL
     TLGYHTVALA VHTHSAGGAV TEKDVELARR VEDLAAGHGA H