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Database: UniProt
Entry: PUR1_HAEIN
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ID   PUR1_HAEIN              Reviewed;         505 AA.
AC   P43854;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   27-MAR-2024, entry version 147.
DE   RecName: Full=Amidophosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_01931};
DE            Short=ATase {ECO:0000255|HAMAP-Rule:MF_01931};
DE            EC=2.4.2.14 {ECO:0000255|HAMAP-Rule:MF_01931};
DE   AltName: Full=Glutamine phosphoribosylpyrophosphate amidotransferase {ECO:0000255|HAMAP-Rule:MF_01931};
DE            Short=GPATase {ECO:0000255|HAMAP-Rule:MF_01931};
GN   Name=purF {ECO:0000255|HAMAP-Rule:MF_01931}; OrderedLocusNames=HI_1207;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
CC   -!- FUNCTION: Catalyzes the formation of phosphoribosylamine from
CC       phosphoribosylpyrophosphate (PRPP) and glutamine. {ECO:0000255|HAMAP-
CC       Rule:MF_01931}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-phospho-beta-D-ribosylamine + diphosphate + L-glutamate = 5-
CC         phospho-alpha-D-ribose 1-diphosphate + H2O + L-glutamine;
CC         Xref=Rhea:RHEA:14905, ChEBI:CHEBI:15377, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:58017, ChEBI:CHEBI:58359,
CC         ChEBI:CHEBI:58681; EC=2.4.2.14; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01931};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01931};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01931};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; N(1)-
CC       (5-phospho-D-ribosyl)glycinamide from 5-phospho-alpha-D-ribose 1-
CC       diphosphate: step 1/2. {ECO:0000255|HAMAP-Rule:MF_01931}.
CC   -!- SIMILARITY: In the C-terminal section; belongs to the purine/pyrimidine
CC       phosphoribosyltransferase family. {ECO:0000255|HAMAP-Rule:MF_01931}.
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DR   EMBL; L42023; AAC22861.1; -; Genomic_DNA.
DR   PIR; I64189; I64189.
DR   RefSeq; NP_439363.1; NC_000907.1.
DR   AlphaFoldDB; P43854; -.
DR   SMR; P43854; -.
DR   STRING; 71421.HI_1207; -.
DR   MEROPS; C44.001; -.
DR   EnsemblBacteria; AAC22861; AAC22861; HI_1207.
DR   KEGG; hin:HI_1207; -.
DR   PATRIC; fig|71421.8.peg.1259; -.
DR   eggNOG; COG0034; Bacteria.
DR   HOGENOM; CLU_022389_2_1_6; -.
DR   OrthoDB; 9801213at2; -.
DR   PhylomeDB; P43854; -.
DR   BioCyc; HINF71421:G1GJ1-1238-MONOMER; -.
DR   UniPathway; UPA00074; UER00124.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0004044; F:amidophosphoribosyltransferase activity; IBA:GO_Central.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0009113; P:purine nucleobase biosynthetic process; IEA:InterPro.
DR   GO; GO:0006164; P:purine nucleotide biosynthetic process; IBA:GO_Central.
DR   CDD; cd00715; GPATase_N; 1.
DR   CDD; cd06223; PRTases_typeI; 1.
DR   Gene3D; 3.40.50.2020; -; 1.
DR   Gene3D; 3.60.20.10; Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1; 1.
DR   HAMAP; MF_01931; PurF; 1.
DR   InterPro; IPR017932; GATase_2_dom.
DR   InterPro; IPR029055; Ntn_hydrolases_N.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   InterPro; IPR005854; PurF.
DR   InterPro; IPR035584; PurF_N.
DR   NCBIfam; TIGR01134; purF; 1.
DR   PANTHER; PTHR11907; AMIDOPHOSPHORIBOSYLTRANSFERASE; 1.
DR   PANTHER; PTHR11907:SF0; AMIDOPHOSPHORIBOSYLTRANSFERASE; 1.
DR   Pfam; PF13522; GATase_6; 1.
DR   Pfam; PF00156; Pribosyltran; 1.
DR   PIRSF; PIRSF000485; Amd_phspho_trans; 1.
DR   SUPFAM; SSF56235; N-terminal nucleophile aminohydrolases (Ntn hydrolases); 1.
DR   SUPFAM; SSF53271; PRTase-like; 1.
DR   PROSITE; PS51278; GATASE_TYPE_2; 1.
DR   PROSITE; PS00103; PUR_PYR_PR_TRANSFER; 1.
PE   3: Inferred from homology;
KW   Glutamine amidotransferase; Glycosyltransferase; Magnesium; Metal-binding;
KW   Purine biosynthesis; Reference proteome; Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..505
FT                   /note="Amidophosphoribosyltransferase"
FT                   /id="PRO_0000139639"
FT   DOMAIN          2..235
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01931"
FT   REGION          484..505
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        484..499
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        2
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01931"
FT   BINDING         306
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01931"
FT   BINDING         368
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01931"
FT   BINDING         369
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01931"
SQ   SEQUENCE   505 AA;  56206 MW;  CD665BB22EB88E22 CRC64;
     MCGIVGIVSQ SPVNESIYAA LTLLQHRGQD AAGIVTVDDE NRFRLRKANG LVSDVFHQEH
     MLRLQGNAGL GHVRYPTAGS SSVSEAQPFY VNSPYGVTLV HNGNLTNSVE LKEKVFKTAR
     RHVNTNSDSE LLLNILANHL DHIPQDHLDP QDIFYAVRKT HKDVRGAYAC LAMIIGHGMV
     AFRDPFGIRP LVLGKREENG KTDYMFASET VALDIVGFEF VRDIAAGEAV YVTFDGELYS
     QQCAESAVLN PCIFEYVYFA RPDSTIDGVS VYAARVHMGE KLGQKIAKEW ADEIDNIDVV
     IPVPETSTDI ALQIARVLGK PYRQGFVKNR YVGRTFIMPG QAQRISSVRR KLNTIKAEFK
     DKNVLLVDDS IVRGTTSEQI VEMARSAGAK KIYFASAAPE IRYPNVYGID MPSRDELIAY
     GRNVDEIAEL IGVDKLIFQD LTALTESVQL ENPAIQGFDC SVFTGEYITG DISPEYLEKI
     ATQRNDNAKK KREKQASNLE IYNEQ
//
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