ID   PHS_ALKMQ               Reviewed;         111 AA.
AC   A6TVX6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 70.
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=Amet_4266;
OS   Alkaliphilus metalliredigens (strain QYMF).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Alkaliphilus.
OX   NCBI_TaxID=293826;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=QYMF;
RX   PubMed=27811105; DOI=10.1128/genomea.01226-16;
RA   Hwang C., Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina Del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F.,
RA   Land M.L., Hauser L., Kyrpides N., Mikhailova N., Ye Q., Zhou J.,
RA   Richardson P., Fields M.W.;
RT   "Complete genome sequence of Alkaliphilus metalliredigens strain QYMF, an
RT   alkaliphilic and metal-reducing bacterium isolated from borax-contaminated
RT   leachate ponds.";
RL   Genome Announc. 4:0-0(2016).
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; CP000724; ABR50344.1; -; Genomic_DNA.
DR   RefSeq; WP_012065292.1; NC_009633.1.
DR   AlphaFoldDB; A6TVX6; -.
DR   SMR; A6TVX6; -.
DR   STRING; 293826.Amet_4266; -.
DR   EnsemblBacteria; ABR50344; ABR50344; Amet_4266.
DR   KEGG; amt:Amet_4266; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_2_2_9; -.
DR   OMA; FHHPGIL; -.
DR   OrthoDB; 1862336at2; -.
DR   Proteomes; UP000001572; 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   Pfam; PF01329; Pterin_4a; 1.
DR   SUPFAM; SSF55248; SSF55248; 1.
PE   3: Inferred from homology;
KW   Lyase; Reference proteome.
FT   CHAIN           1..111
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000060222"
SQ   SEQUENCE   111 AA;  12814 MW;  C77D9557928717E1 CRC64;
     MNNLAEKKCI PCSLGTPPLS SDEIKRYISQ LHEEWKVIND HHLEREFKFK NFKEALSYTN
     VIGQLAEKEG HHPDMLLSWG KVKITLFTHK IDGLSESDFV FAAKVDKQQS E