ID HIS1_BUCMH Reviewed; 299 AA.
AC Q9RQ83;
DT 03-APR-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2000, sequence version 1.
DT 13-SEP-2023, entry version 92.
DE RecName: Full=ATP phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_00079};
DE Short=ATP-PRT {ECO:0000255|HAMAP-Rule:MF_00079};
DE Short=ATP-PRTase {ECO:0000255|HAMAP-Rule:MF_00079};
DE EC=2.4.2.17 {ECO:0000255|HAMAP-Rule:MF_00079};
GN Name=hisG {ECO:0000255|HAMAP-Rule:MF_00079};
OS Buchnera aphidicola subsp. Melaphis rhois.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=118103;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=10555290; DOI=10.1093/oxfordjournals.molbev.a026071;
RA Clark M.A., Moran N.A., Baumann P.;
RT "Sequence evolution in bacterial endosymbionts having extreme base
RT compositions.";
RL Mol. Biol. Evol. 16:1586-1598(1999).
CC -!- FUNCTION: Catalyzes the condensation of ATP and 5-phosphoribose 1-
CC diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial
CC role in the pathway because the rate of histidine biosynthesis seems to
CC be controlled primarily by regulation of HisG enzymatic activity.
CC {ECO:0000255|HAMAP-Rule:MF_00079}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate = 5-phospho-
CC alpha-D-ribose 1-diphosphate + ATP; Xref=Rhea:RHEA:18473,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:58017,
CC ChEBI:CHEBI:73183; EC=2.4.2.17; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00079};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00079};
CC -!- ACTIVITY REGULATION: Feedback inhibited by histidine.
CC {ECO:0000255|HAMAP-Rule:MF_00079}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 1/9.
CC {ECO:0000255|HAMAP-Rule:MF_00079}.
CC -!- SUBUNIT: Equilibrium between an active dimeric form, an inactive
CC hexameric form and higher aggregates. Interconversion between the
CC various forms is largely reversible and is influenced by the natural
CC substrates and inhibitors of the enzyme. {ECO:0000255|HAMAP-
CC Rule:MF_00079}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00079}.
CC -!- SIMILARITY: Belongs to the ATP phosphoribosyltransferase family. Long
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00079}.
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; AF129283; AAF13775.1; -; Genomic_DNA.
DR AlphaFoldDB; Q9RQ83; -.
DR SMR; Q9RQ83; -.
DR UniPathway; UPA00031; UER00006.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0003879; F:ATP phosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.70.120; -; 1.
DR Gene3D; 3.40.190.10; Periplasmic binding protein-like II; 2.
DR HAMAP; MF_00079; HisG_Long; 1.
DR InterPro; IPR020621; ATP-PRT_HisG_long.
DR InterPro; IPR013820; ATP_PRibTrfase_cat.
DR InterPro; IPR018198; ATP_PRibTrfase_CS.
DR InterPro; IPR001348; ATP_PRibTrfase_HisG.
DR InterPro; IPR013115; HisG_C.
DR InterPro; IPR011322; N-reg_PII-like_a/b.
DR InterPro; IPR015867; N-reg_PII/ATP_PRibTrfase_C.
DR NCBIfam; TIGR00070; hisG; 1.
DR NCBIfam; TIGR03455; HisG_C-term; 1.
DR PANTHER; PTHR21403:SF8; ATP PHOSPHORIBOSYLTRANSFERASE; 1.
DR PANTHER; PTHR21403; ATP PHOSPHORIBOSYLTRANSFERASE ATP-PRTASE; 1.
DR Pfam; PF01634; HisG; 1.
DR Pfam; PF08029; HisG_C; 1.
DR SUPFAM; SSF54913; GlnB-like; 1.
DR SUPFAM; SSF53850; Periplasmic binding protein-like II; 1.
DR PROSITE; PS01316; ATP_P_PHORIBOSYLTR; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; ATP-binding; Cytoplasm; Glycosyltransferase;
KW Histidine biosynthesis; Magnesium; Metal-binding; Nucleotide-binding;
KW Transferase.
FT CHAIN 1..299
FT /note="ATP phosphoribosyltransferase"
FT /id="PRO_0000151837"
SQ SEQUENCE 299 AA; 33710 MW; 576213A51CEA6D50 CRC64;
MIHNNRLRIV MQKNWKLSSD SKDLLVRCGI KINLCKQKLI AFSENMPIDV MCVRDDDIPG
LIMDGIVDIG IIGENVLEEE VLSRKLRLDS VDYIKLKRLD FGVCRLSLAV PIDKEYTDIY
CLNNSRIATS YPHLLKKYFD KKNIIFKSCM LNGSVEVAPR AGLSDAICDL VSTGATLEAN
GLREVQIIFR SKACLICKTG NISVEKQNVI NTLMTRIQGV IKARESKYIM LHAPIKKLEE
VIDLLHGAER PTILKLAGDD SRVAMHMVSS ETLFWETMEK LKLLGASSIL VLPIEKMME
//
