PHS_CYAP4
ID PHS_CYAP4 Reviewed; 97 AA.
AC B8HU56;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 03-MAR-2009, sequence version 1.
DT 25-MAY-2022, entry version 61.
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=Cyan7425_2038;
OS Cyanothece sp. (strain PCC 7425 / ATCC 29141).
OC Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales;
OC Cyanothecaceae; Cyanothece; unclassified Cyanothece.
OX NCBI_TaxID=395961;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7425 / ATCC 29141;
RX PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA Sherman L.A., Pakrasi H.B.;
RT "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT unicellular nitrogen-fixing Cyanobacteria.";
RL MBio 2:E214-E214(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; CP001344; ACL44401.1; -; Genomic_DNA.
DR RefSeq; WP_012627484.1; NC_011884.1.
DR AlphaFoldDB; B8HU56; -.
DR SMR; B8HU56; -.
DR STRING; 395961.Cyan7425_2038; -.
DR EnsemblBacteria; ACL44401; ACL44401; Cyan7425_2038.
DR KEGG; cyn:Cyan7425_2038; -.
DR eggNOG; COG2154; Bacteria.
DR HOGENOM; CLU_081974_4_0_3; -.
DR OMA; WAEKWNH; -.
DR OrthoDB; 1862336at2; -.
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..97
FT /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT /id="PRO_1000134950"
SQ SEQUENCE 97 AA; 10761 MW; 9C3A600E1D9C9008 CRC64;
MAQLLSDIEI NSQIGQLPDW SVVGQEIQMV RKFKDFIAAI DFVNKLVEPA EAAGHHPDIA
ISYNKVTITL TTHDAGGLTQ KDFDLAQVIS QLSRIWV