ID I0L8Q2_9ACTN Unreviewed; 431 AA.
AC I0L8Q2;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 55.
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=MILUP08_45079 {ECO:0000313|EMBL:CCH20199.1};
OS Micromonospora lupini str. Lupac 08.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Micromonospora.
OX NCBI_TaxID=1150864 {ECO:0000313|EMBL:CCH20199.1, ECO:0000313|Proteomes:UP000003448};
RN [1] {ECO:0000313|Proteomes:UP000003448}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Lupac 08 {ECO:0000313|Proteomes:UP000003448};
RX PubMed=22815450; DOI=10.1128/jb.00628-12;
RA Alonso-Vega P., Normand P., Bacigalupe R., Pujic P., Lajus A., Vallenet D.,
RA Carro L., Coll P., Trujillo M.E.;
RT "Genome Sequence of Micromonospora lupini Lupac 08, Isolated from Root
RT Nodules of Lupinus angustifolius.";
RL J. Bacteriol. 194:4135-4135(2012).
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:CCH20199.1}.
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DR EMBL; CAIE01000037; CCH20199.1; -; Genomic_DNA.
DR AlphaFoldDB; I0L8Q2; -.
DR STRING; 1150864.MILUP08_45079; -.
DR eggNOG; COG0139; Bacteria.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000003448; 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 Reference proteome {ECO:0000313|Proteomes:UP000003448};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01021}.
FT DOMAIN 131..233
FT /note="Nucleotidyltransferase substrate binding"
FT /evidence="ECO:0000259|Pfam:PF18280"
FT DOMAIN 348..421
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /evidence="ECO:0000259|Pfam:PF01502"
FT REGION 263..317
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 395
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 396
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="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 399
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 412
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 419
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 431 AA; 45777 MW; 1E5ED6B553FFD09C CRC64;
MGHAPLPHSG FLEDWAARLR DAAERPVVGI LLRGSHARRA ATAHSDVDLD VLVGGSPYAA
RRAYLAETAG RVTHVSVAAR DVRSWVDRLG EPADWAFGLP VTAPARLLWA DPHWRPRIDL
PVLCQPAEPP RLEELIAMLG KAAAARAAAD RLGVRLAVAD LARLCPSVLR PANPSVRVSS
RRAAFAAALE LPVAPVGYRD DMLLCLGLRP GGTGQLWAAA VRLVTGILPL IRPYAGEIAD
VAGADLADAL VDGRLDRYVA QLARPVGHPP NPPRESSPVP APRAGQWATV PVPDAPVTGV
PSDPSGPAAS TPARPSRLDP AIAARLRRTA DGLVAAVVRA HESGEVLMVA WMDDEALHRT
LTTGRATYWS RSRREYWVKG ATSGHHQYVR SVALDCDGDA LLVSVDQVGA ACHTGHRTCF
FTELPVTGAG T
//
