ID A0A1C3NDA3_9ACTN Unreviewed; 428 AA.
AC A0A1C3NDA3;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 27-MAR-2024, entry version 31.
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=GA0070620_6181 {ECO:0000313|EMBL:SBV30583.1};
OS Micromonospora krabiensis.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Micromonospora.
OX NCBI_TaxID=307121 {ECO:0000313|EMBL:SBV30583.1, ECO:0000313|Proteomes:UP000199393};
RN [1] {ECO:0000313|Proteomes:UP000199393}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 45344 {ECO:0000313|Proteomes:UP000199393};
RA Varghese N.;
RL Submitted (JUN-2016) 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}.
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DR EMBL; LT598496; SBV30583.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1C3NDA3; -.
DR STRING; 307121.GA0070620_6181; -.
DR PATRIC; fig|307121.4.peg.6296; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000199393; Chromosome i.
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:UP000199393};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01021}.
FT DOMAIN 132..233
FT /note="Nucleotidyltransferase substrate binding"
FT /evidence="ECO:0000259|Pfam:PF18280"
FT DOMAIN 344..417
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /evidence="ECO:0000259|Pfam:PF01502"
FT REGION 267..313
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 293..310
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 391
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 392
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 393
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 395
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01021"
FT BINDING 408
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 415
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 428 AA; 45662 MW; A699067CF1EF1616 CRC64;
MDHVPLPDAG FLDDWAARLR QFADRPVVGI MLRGSHARRA ATPHSDVDLD VLVGGAPYAA
WRAYLAETPG RLTHVSVAAR DVRSWVARLN EPADWAFGLP VHAPARLLWA DAHWRRRIDL
PVLCQPAGAP HLEELIATLG KVAGARAAGD HLGVRLAAGD LARLCPSVLR PANPSVRVVS
RRGAFAAVLR LPVAPAGYRE DMLLCLGLRP GATGQLWAAA VRLVAGCLPL IRPYAAEIAE
AAGPDLAAAL VDGRLDRYVA QLTRPVPARR EASPVPAPRA GEWVTVPVPD APVTGAPTDP
SAPPAGGPAR PSQLDPAIAA RLRRTPDGLV AAVVRQHDSG EVLMVAWMDD EALHRTLTTG
RATYWSRSRQ EYWVKGATSG HHQYVRSVSL DCDGDALLVS VEQVGAACHT GHRTCFFEEL
PVTGADAS
//
