ID A0A1T5JN74_9BACT Unreviewed; 371 AA.
AC A0A1T5JN74;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 32.
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=SAMN05660236_1294 {ECO:0000313|EMBL:SKC53007.1};
OS Ohtaekwangia koreensis.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Fulvivirgaceae;
OC Ohtaekwangia.
OX NCBI_TaxID=688867 {ECO:0000313|EMBL:SKC53007.1, ECO:0000313|Proteomes:UP000190961};
RN [1] {ECO:0000313|EMBL:SKC53007.1, ECO:0000313|Proteomes:UP000190961}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 25262 {ECO:0000313|EMBL:SKC53007.1,
RC ECO:0000313|Proteomes:UP000190961};
RA Peterson S.W.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
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}.
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DR EMBL; FUZU01000001; SKC53007.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T5JN74; -.
DR STRING; 688867.SAMN05660236_1294; -.
DR OrthoDB; 9790411at2; -.
DR UniPathway; UPA00031; UER00011.
DR Proteomes; UP000190961; Unassembled WGS sequence.
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}; Hydrolase {ECO:0000256|HAMAP-Rule:MF_01022};
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:UP000190961}.
FT REGION 1..182
FT /note="Histidinol-phosphatase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT REGION 183..371
FT /note="Imidazoleglycerol-phosphate dehydratase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT ACT_SITE 8
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT ACT_SITE 10
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 8
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
FT BINDING 128
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01022"
SQ SEQUENCE 371 AA; 41808 MW; CACDA9447B76351D CRC64;
MKRVLFIDRD GTLILEPADE QIDSLEKLEY YPGVFTWLGK IAAETDFELV MVTNQDGLGT
SSFPEDTFWP AHTKMMKTLE NEGIYFPKIF IDRSFPKENK PTRKPGIGML TEFFSEAYDL
KNSFVLGDRL TDIELAKNLG AKGILLNDGS LQEKVTAQNL DAHCSLTTTS WKDIYTFLTK
PSRKAVVKRT TKETDIDIAI DLDGSGKSSI ETGLGFFDHM LDQLSRHGNI DLTIKVKGDL
HIDEHHTIED TALALGEAFL KALGDKRGIE RYGFCLPMDD CLAQVAIDFG GRPWIVWDAE
FKREKIGEMP TEMFYHFFKS FSDTSKSNLN VKVEGTNEHH KIEAIFKAFA KAIKMAVKKE
GNQLPSTKGI L
//
