HIS7_XYLF2
ID HIS7_XYLF2 Reviewed; 375 AA.
AC B2I5X9;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-JUN-2008, sequence version 1.
DT 03-AUG-2022, entry version 75.
DE RecName: Full=Histidine biosynthesis bifunctional protein HisB {ECO:0000255|HAMAP-Rule:MF_01022};
DE Includes:
DE RecName: Full=Histidinol-phosphatase {ECO:0000255|HAMAP-Rule:MF_01022};
DE EC=3.1.3.15 {ECO:0000255|HAMAP-Rule:MF_01022};
DE Includes:
DE RecName: Full=Imidazoleglycerol-phosphate dehydratase {ECO:0000255|HAMAP-Rule:MF_01022};
DE Short=IGPD {ECO:0000255|HAMAP-Rule:MF_01022};
DE EC=4.2.1.19 {ECO:0000255|HAMAP-Rule:MF_01022};
GN Name=hisB {ECO:0000255|HAMAP-Rule:MF_01022};
GN OrderedLocusNames=XfasM23_1350;
OS Xylella fastidiosa (strain M23).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xylella.
OX NCBI_TaxID=405441;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=M23;
RX PubMed=20601474; DOI=10.1128/jb.00651-10;
RA Chen J., Xie G., Han S., Chertkov O., Sims D., Civerolo E.L.;
RT "Whole genome sequences of two Xylella fastidiosa strains (M12 and M23)
RT causing almond leaf scorch disease in California.";
RL J. Bacteriol. 192:4534-4534(2010).
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:0000255|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:0000255|HAMAP-Rule:MF_01022};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|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:0000255|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:0000255|HAMAP-Rule:MF_01022}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01022}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the histidinol-
CC phosphatase family. {ECO:0000255|HAMAP-Rule:MF_01022}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the
CC imidazoleglycerol-phosphate dehydratase family. {ECO:0000255|HAMAP-
CC Rule:MF_01022}.
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DR EMBL; CP001011; ACB92768.1; -; Genomic_DNA.
DR RefSeq; WP_004088316.1; NC_010577.1.
DR AlphaFoldDB; B2I5X9; -.
DR SMR; B2I5X9; -.
DR EnsemblBacteria; ACB92768; ACB92768; XfasM23_1350.
DR GeneID; 58016797; -.
DR KEGG; xfn:XfasM23_1350; -.
DR HOGENOM; CLU_044308_0_0_6; -.
DR OMA; PEDTFWP; -.
DR UniPathway; UPA00031; UER00011.
DR UniPathway; UPA00031; UER00013.
DR Proteomes; UP000001698; 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; 3.30.230.40; -; 2.
DR Gene3D; 3.40.50.1000; -; 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_S5_D2-typ_fold.
DR PANTHER; PTHR23133; PTHR23133; 1.
DR Pfam; PF00475; IGPD; 1.
DR SUPFAM; SSF54211; SSF54211; 2.
DR SUPFAM; SSF56784; SSF56784; 1.
DR TIGRFAMs; TIGR01662; HAD-SF-IIIA; 1.
DR TIGRFAMs; TIGR01261; hisB_Nterm; 1.
DR TIGRFAMs; TIGR01656; Histidinol-ppas; 1.
DR PROSITE; PS00954; IGP_DEHYDRATASE_1; 1.
DR PROSITE; PS00955; IGP_DEHYDRATASE_2; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Hydrolase;
KW Lyase; Magnesium; Metal-binding; Multifunctional enzyme.
FT CHAIN 1..375
FT /note="Histidine biosynthesis bifunctional protein HisB"
FT /id="PRO_1000135374"
FT REGION 1..168
FT /note="Histidinol-phosphatase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT REGION 169..375
FT /note="Imidazoleglycerol-phosphate dehydratase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT ACT_SITE 8
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT ACT_SITE 10
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT BINDING 8
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
FT BINDING 128
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01022"
SQ SEQUENCE 375 AA; 41472 MW; 193EB01EA196941A CRC64;
MTPIVFIDRD GTLIEEPPDF QIDAYEKLRL VNGVIPALLK LRDAGYHFVI VTNQDGLGSP
TYPQASFDGP NALMLQIFSS QGIVFRDVLI DRSWPADNAP TRKPGIGLMV AYLQDRDIDW
ARSAMVGDRP TDLQFAENLN IRGFQLRTPQ FGGDWDWDGI AHTLADAPRR AVVQRHTKET
NIRVEIDLDG APQARITTGL PFFDHMLEQI AKHAGISLHI SAVGDLHIDE HHTIEDTGLA
LGQAVRQALG DKRGIGRYGF DPPQLPWQVS GAAAHGGFTL PMDETQASAV LDFSGRPYFV
FEGTFVRERV GDMPTELVPH FFRSLCDASG MNLHLSVHGD NDHHKVEACF KALARALRQA
LQRHGHVLPS TKGAL
