ID   PHS_HALLT               Reviewed;         116 AA.
AC   B9LPE3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   25-MAY-2022, entry version 62.
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=Hlac_1646;
OS   Halorubrum lacusprofundi (strain ATCC 49239 / DSM 5036 / JCM 8891 / ACAM
OS   34).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC   Halorubraceae; Halorubrum.
OX   NCBI_TaxID=416348;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49239 / DSM 5036 / JCM 8891 / ACAM 34;
RX   PubMed=27617060; DOI=10.1186/s40793-016-0194-2;
RA   Anderson I.J., DasSarma P., Lucas S., Copeland A., Lapidus A.,
RA   Del Rio T.G., Tice H., Dalin E., Bruce D.C., Goodwin L., Pitluck S.,
RA   Sims D., Brettin T.S., Detter J.C., Han C.S., Larimer F., Hauser L.,
RA   Land M., Ivanova N., Richardson P., Cavicchioli R., DasSarma S.,
RA   Woese C.R., Kyrpides N.C.;
RT   "Complete genome sequence of the Antarctic Halorubrum lacusprofundi type
RT   strain ACAM 34.";
RL   Stand. Genomic Sci. 11:70-70(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; CP001365; ACM57231.1; -; Genomic_DNA.
DR   RefSeq; WP_015910369.1; NC_012029.1.
DR   AlphaFoldDB; B9LPE3; -.
DR   SMR; B9LPE3; -.
DR   STRING; 416348.Hlac_1646; -.
DR   EnsemblBacteria; ACM57231; ACM57231; Hlac_1646.
DR   GeneID; 7399596; -.
DR   KEGG; hla:Hlac_1646; -.
DR   eggNOG; arCOG02939; Archaea.
DR   HOGENOM; CLU_081974_2_2_2; -.
DR   OMA; FHHPGIL; -.
DR   Proteomes; UP000000740; Chromosome 1.
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.
FT   CHAIN           1..116
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000134951"
FT   REGION          1..21
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   116 AA;  12804 MW;  821ACB5384C5D308 CRC64;
     MSSPLADEPV EPADEGAEPL TDDEYAEYLA ELGPVWEVVD DHHLEATYEF DDFADALAFT
     NEIGELAEAE GHHPDLHLSW GEVGVEMWSH DIGGLHESDF VMAARMDRIY DGDGGD