PHS_TRIV2
ID PHS_TRIV2 Reviewed; 93 AA.
AC Q3MA60;
DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 25-OCT-2005, sequence version 1.
DT 25-MAY-2022, entry version 84.
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=Ava_2511;
OS Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX NCBI_TaxID=240292;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29413 / PCC 7937;
RX PubMed=25197444; DOI=10.4056/sigs.3899418;
RA Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL Stand. Genomic Sci. 9:562-573(2014).
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; CP000117; ABA22126.1; -; Genomic_DNA.
DR AlphaFoldDB; Q3MA60; -.
DR SMR; Q3MA60; -.
DR STRING; 240292.Ava_2511; -.
DR EnsemblBacteria; ABA22126; ABA22126; Ava_2511.
DR KEGG; ava:Ava_2511; -.
DR eggNOG; COG2154; Bacteria.
DR HOGENOM; CLU_081974_4_0_3; -.
DR OMA; WAEKWNH; -.
DR Proteomes; UP000002533; 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..93
FT /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT /id="PRO_0000231439"
SQ SEQUENCE 93 AA; 10115 MW; 6525C219F1181D54 CRC64;
MAQLLGDAEI QSQASKLSGW TLEGSKLQTT RKFKDFIEAI AFVNKLVEPA ESAGHHPDIE
ISYNKVKVTL TTHDAGGLTQ KDFDVAATIS QIN