ID A0A0M8XIG9_9ACTN Unreviewed; 410 AA.
AC A0A0M8XIG9;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 27-MAR-2024, entry version 36.
DE RecName: Full=Phosphoribosyl-AMP cyclohydrolase {ECO:0000256|HAMAP-Rule:MF_01021};
DE Short=PRA-CH {ECO:0000256|HAMAP-Rule:MF_01021};
DE EC=3.5.4.19 {ECO:0000256|HAMAP-Rule:MF_01021};
GN Name=hisI {ECO:0000256|HAMAP-Rule:MF_01021};
GN ORFNames=ADK66_21745 {ECO:0000313|EMBL:KOX06932.1};
OS Micromonospora sp. NRRL B-16802.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Micromonospora.
OX NCBI_TaxID=1415541 {ECO:0000313|EMBL:KOX06932.1, ECO:0000313|Proteomes:UP000037709};
RN [1] {ECO:0000313|EMBL:KOX06932.1, ECO:0000313|Proteomes:UP000037709}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL B-16802 {ECO:0000313|EMBL:KOX06932.1,
RC ECO:0000313|Proteomes:UP000037709};
RA Noorani M.;
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the hydrolysis of the adenine ring of
CC phosphoribosyl-AMP. {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(5-phospho-beta-D-ribosyl)-5'-AMP + H2O = 1-(5-phospho-beta-
CC D-ribosyl)-5-[(5-phospho-beta-D-
CC ribosylamino)methylideneamino]imidazole-4-carboxamide;
CC Xref=Rhea:RHEA:20049, ChEBI:CHEBI:15377, ChEBI:CHEBI:58435,
CC ChEBI:CHEBI:59457; EC=3.5.4.19;
CC Evidence={ECO:0000256|ARBA:ARBA00000024, ECO:0000256|HAMAP-
CC Rule:MF_01021};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01021};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01021};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01021};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01021};
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC {ECO:0000256|ARBA:ARBA00005169, ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01021}.
CC -!- SIMILARITY: Belongs to the PRA-CH family. {ECO:0000256|HAMAP-
CC Rule:MF_01021}.
CC -!- SIMILARITY: Belongs to the PRA-PH family.
CC {ECO:0000256|ARBA:ARBA00009392}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KOX06932.1}.
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; LGEB01000075; KOX06932.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0M8XIG9; -.
DR STRING; 1415541.ADK66_21745; -.
DR PATRIC; fig|1415541.3.peg.4549; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000037709; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd05403; NT_KNTase_like; 1.
DR Gene3D; 3.30.460.10; Beta Polymerase, domain 2; 1.
DR Gene3D; 1.20.120.330; Nucleotidyltransferases domain 2; 1.
DR Gene3D; 3.10.20.810; Phosphoribosyl-AMP cyclohydrolase; 1.
DR HAMAP; MF_01021; HisI; 1.
DR InterPro; IPR040517; Ant(4')-IIb_substrate-bd.
DR InterPro; IPR043519; NT_sf.
DR InterPro; IPR026660; PRA-CH.
DR InterPro; IPR002496; PRib_AMP_CycHydrolase_dom.
DR InterPro; IPR038019; PRib_AMP_CycHydrolase_sf.
DR PANTHER; PTHR42945; HISTIDINE BIOSYNTHESIS BIFUNCTIONAL PROTEIN; 1.
DR PANTHER; PTHR42945:SF1; HISTIDINE BIOSYNTHESIS BIFUNCTIONAL PROTEIN HIS7; 1.
DR Pfam; PF18280; Ant-IIb_sub-bd; 1.
DR Pfam; PF01502; PRA-CH; 1.
DR SUPFAM; SSF141734; HisI-like; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01021};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01021};
KW Histidine biosynthesis {ECO:0000256|ARBA:ARBA00023102, ECO:0000256|HAMAP-
KW Rule:MF_01021};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01021};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01021};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01021};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01021}.
FT DOMAIN 113..215
FT /note="Nucleotidyltransferase substrate binding"
FT /evidence="ECO:0000259|Pfam:PF18280"
FT DOMAIN 326..399
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /evidence="ECO:0000259|Pfam:PF01502"
FT REGION 268..292
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 373
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 374
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 375
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 377
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 390
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 397
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
SQ SEQUENCE 410 AA; 43844 MW; 344BAFBF6F3DC38C CRC64;
MRQAADRPVV GILLRGSHAR RTATAHSDVD LDVLVGGTPY AARRAYLAET AGRVTHVSVA
ARDVRSWVHR LGEPADWAFG LPVTTPARLL WADPHWRPRI DLPVLCQPAE PPRLEELIAM
LGKAAAARAA ADRLGVRLAV ADLARLCPSV LRPANPSVRV ASRRAAFAAA LELPVAPPGY
RDDMLLCLGL RPGTTGQLWT AAVRLVAGTL PLIRPYAEEI AEATGTDLAD ALVDGRLDRY
VAQLAQPAHP GREPSPVSAA RAGQWVTVPV PDAPPTGVPS DPSGPTAAVP ARPSQLDPAI
AARLRRNADG LVAAVVRAHD SGDVLMVAWM DDEALHRTLT TGRATYWSRS RREYWVKGAT
SGHHQYVRSV ALDCDGDALL VTVEQVGAAC HTGQRTCFFT ELPVTSPEEL
//
