ID A0A172TRX6_9BACT Unreviewed; 387 AA.
AC A0A172TRX6;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 24-JAN-2024, entry version 42.
DE RecName: Full=Histidine biosynthesis bifunctional protein HisB {ECO:0000256|HAMAP-Rule:MF_01022};
DE Includes:
DE RecName: Full=Histidinol-phosphatase {ECO:0000256|HAMAP-Rule:MF_01022};
DE EC=3.1.3.15 {ECO:0000256|HAMAP-Rule:MF_01022};
DE Includes:
DE RecName: Full=Imidazoleglycerol-phosphate dehydratase {ECO:0000256|HAMAP-Rule:MF_01022};
DE Short=IGPD {ECO:0000256|HAMAP-Rule:MF_01022};
DE EC=4.2.1.19 {ECO:0000256|HAMAP-Rule:MF_01022};
GN Name=hisB {ECO:0000256|HAMAP-Rule:MF_01022};
GN ORFNames=SY85_04345 {ECO:0000313|EMBL:ANE49835.1};
OS Flavisolibacter tropicus.
OC Bacteria; Bacteroidota; Chitinophagia; Chitinophagales; Chitinophagaceae;
OC Flavisolibacter.
OX NCBI_TaxID=1492898 {ECO:0000313|EMBL:ANE49835.1, ECO:0000313|Proteomes:UP000077177};
RN [1] {ECO:0000313|Proteomes:UP000077177}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LCS9 {ECO:0000313|Proteomes:UP000077177};
RA Kim M.K., Srinivasan S., Lee J.-J.;
RT "Flavisolibacter sp./LCS9/ whole genome sequencing.";
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ANE49835.1, ECO:0000313|Proteomes:UP000077177}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LCS9 {ECO:0000313|EMBL:ANE49835.1,
RC ECO:0000313|Proteomes:UP000077177};
RX PubMed=27259556; DOI=10.1099/ijsem.0.001207;
RA Lee J.J., Kang M.S., Kim G.S., Lee C.S., Lim S., Lee J., Roh S.H., Kang H.,
RA Ha J.M., Bae S., Jung H.Y., Kim M.K.;
RT "Flavisolibacter tropicus sp. nov., isolated from tropical soil.";
RL Int. J. Syst. Evol. Microbiol. 66:3413-3419(2016).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate = 3-(imidazol-
CC 4-yl)-2-oxopropyl phosphate + H2O; Xref=Rhea:RHEA:11040,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:57766, ChEBI:CHEBI:58278; EC=4.2.1.19;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01022};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + L-histidinol phosphate = L-histidinol + phosphate;
CC Xref=Rhea:RHEA:14465, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57699, ChEBI:CHEBI:57980; EC=3.1.3.15;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01022};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01022};
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 6/9.
CC {ECO:0000256|ARBA:ARBA00005047, ECO:0000256|HAMAP-Rule:MF_01022}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 8/9.
CC {ECO:0000256|HAMAP-Rule:MF_01022}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01022}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the
CC imidazoleglycerol-phosphate dehydratase family. {ECO:0000256|HAMAP-
CC Rule:MF_01022}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the histidinol-
CC phosphatase family. {ECO:0000256|HAMAP-Rule:MF_01022}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01022}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP011390; ANE49835.1; -; Genomic_DNA.
DR RefSeq; WP_066401975.1; NZ_CP011390.1.
DR AlphaFoldDB; A0A172TRX6; -.
DR STRING; 1492898.SY85_04345; -.
DR KEGG; fla:SY85_04345; -.
DR PATRIC; fig|1492898.3.peg.950; -.
DR OrthoDB; 9790411at2; -.
DR UniPathway; UPA00031; UER00011.
DR Proteomes; UP000077177; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004401; F:histidinol-phosphatase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004424; F:imidazoleglycerol-phosphate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd07914; IGPD; 1.
DR Gene3D; 3.40.50.1000; HAD superfamily/HAD-like; 1.
DR HAMAP; MF_01022; Bifunc_HisB; 1.
DR HAMAP; MF_00076; HisB; 1.
DR InterPro; IPR036412; HAD-like_sf.
DR InterPro; IPR006549; HAD-SF_hydro_IIIA.
DR InterPro; IPR023214; HAD_sf.
DR InterPro; IPR020566; His_synth_bifunc_HisB.
DR InterPro; IPR005954; HisB_N.
DR InterPro; IPR006543; Histidinol-phos.
DR InterPro; IPR038494; IGPD_sf.
DR InterPro; IPR000807; ImidazoleglycerolP_deHydtase.
DR InterPro; IPR020565; ImidazoleglycerP_deHydtase_CS.
DR InterPro; IPR020568; Ribosomal_Su5_D2-typ_SF.
DR NCBIfam; TIGR01662; HAD-SF-IIIA; 1.
DR NCBIfam; TIGR01261; hisB_Nterm; 1.
DR NCBIfam; TIGR01656; Histidinol-ppas; 1.
DR PANTHER; PTHR23133:SF2; IMIDAZOLEGLYCEROL-PHOSPHATE DEHYDRATASE; 1.
DR PANTHER; PTHR23133; IMIDAZOLEGLYCEROL-PHOSPHATE DEHYDRATASE HIS7; 1.
DR Pfam; PF13242; Hydrolase_like; 1.
DR Pfam; PF00475; IGPD; 1.
DR SUPFAM; SSF56784; HAD-like; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 2.
DR PROSITE; PS00954; IGP_DEHYDRATASE_1; 1.
DR PROSITE; PS00955; IGP_DEHYDRATASE_2; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01022};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01022};
KW Histidine biosynthesis {ECO:0000256|ARBA:ARBA00023102, ECO:0000256|HAMAP-
KW Rule:MF_01022};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_01022, ECO:0000313|EMBL:ANE49835.1};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01022};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01022};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01022};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_01022}; Reference proteome {ECO:0000313|Proteomes:UP000077177}.
FT REGION 1..196
FT /note="Histidinol-phosphatase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT REGION 197..387
FT /note="Imidazoleglycerol-phosphate dehydratase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT ACT_SITE 16
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT ACT_SITE 18
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 16
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 18
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 138
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
SQ SEQUENCE 387 AA; 43571 MW; 486CE0263CF4F27B CRC64;
MAANTTTQGK RVLFIDRDGT LIQECPPTYQ IDSFDKVSFY PQVFKYMIKI AEELDYELVM
VSNQDGLGTA SFPEADFWPV HNLVMSSFAN EGVIFKEELI DRSFPEDNLP TRKPGVGMFT
KYLNNPEYDI ANSFVIGDRI TDVQLAKNLK CKAIWLKNNP ELGAAEVSDD AKALEEVVVL
ATEHWRDIYE YLKLGKREVG HIRITNETNI AVGLNLDGSG KASIDTGLGF FDHMLDQIAR
HGLIDLSVHS KGDLHIDEHH TVEDTGIALG EAFAKAIGDK KGIERYGFAL PMDEAEAKVL
LDFGGRNWLV WNTHFSRERV GDVPTEMFYH FFKSFSDAAK CNLNIECRGE NEHHKIEAIF
KAFAKAIKMA VKRDPLKNYL PSTKGVL
//