ID B7RU66_9GAMM Unreviewed; 506 AA.
AC B7RU66;
DT 10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT 10-FEB-2009, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=Amidophosphoribosyltransferase {ECO:0000256|HAMAP-Rule:MF_01931};
DE Short=ATase {ECO:0000256|HAMAP-Rule:MF_01931};
DE EC=2.4.2.14 {ECO:0000256|HAMAP-Rule:MF_01931};
DE AltName: Full=Glutamine phosphoribosylpyrophosphate amidotransferase {ECO:0000256|HAMAP-Rule:MF_01931};
DE Short=GPATase {ECO:0000256|HAMAP-Rule:MF_01931};
GN Name=purF {ECO:0000256|HAMAP-Rule:MF_01931,
GN ECO:0000313|EMBL:EEB79629.1};
GN ORFNames=GPB2148_3472 {ECO:0000313|EMBL:EEB79629.1};
OS marine gamma proteobacterium HTCC2148.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales; Halieaceae.
OX NCBI_TaxID=247634 {ECO:0000313|EMBL:EEB79629.1, ECO:0000313|Proteomes:UP000002793};
RN [1] {ECO:0000313|Proteomes:UP000002793}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HTCC2148 {ECO:0000313|Proteomes:UP000002793};
RX PubMed=20472793; DOI=10.1128/jb.00511-10;
RA Thrash J.C., Cho J.C., Ferriera S., Johnson J., Vergin K.L.,
RA Giovannoni S.J.;
RT "Genome sequences of strains HTCC2148 and HTCC2080, belonging to the
RT OM60/NOR5 clade of the Gammaproteobacteria.";
RL J. Bacteriol. 192:3842-3843(2010).
CC -!- FUNCTION: Catalyzes the formation of phosphoribosylamine from
CC phosphoribosylpyrophosphate (PRPP) and glutamine. {ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_01931, ECO:0000256|PIRNR:PIRNR000485};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01931,
CC ECO:0000256|PIRSR:PIRSR000485-2};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01931,
CC ECO:0000256|PIRSR:PIRSR000485-2};
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:0000256|ARBA:ARBA00005209,
CC ECO:0000256|HAMAP-Rule:MF_01931, ECO:0000256|PIRNR:PIRNR000485}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the purine/pyrimidine
CC phosphoribosyltransferase family. {ECO:0000256|ARBA:ARBA00010138,
CC ECO:0000256|HAMAP-Rule:MF_01931, ECO:0000256|PIRNR:PIRNR000485}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01931}.
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DR EMBL; DS999223; EEB79629.1; -; Genomic_DNA.
DR AlphaFoldDB; B7RU66; -.
DR STRING; 247634.GPB2148_3472; -.
DR MEROPS; C44.001; -.
DR eggNOG; COG0034; Bacteria.
DR HOGENOM; CLU_022389_2_1_6; -.
DR OrthoDB; 9801213at2; -.
DR UniPathway; UPA00074; UER00124.
DR Proteomes; UP000002793; Unassembled WGS sequence.
DR GO; GO:0004044; F:amidophosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
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 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.
PE 3: Inferred from homology;
KW Glutamine amidotransferase {ECO:0000256|HAMAP-Rule:MF_01931};
KW Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676, ECO:0000256|HAMAP-
KW Rule:MF_01931};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01931, ECO:0000256|PIRSR:PIRSR000485-
KW 2};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01931,
KW ECO:0000256|PIRSR:PIRSR000485-2};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_01931}; Reference proteome {ECO:0000313|Proteomes:UP000002793};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01931,
KW ECO:0000256|PIRNR:PIRNR000485}.
FT DOMAIN 2..235
FT /note="Glutamine amidotransferase type-2"
FT /evidence="ECO:0000259|PROSITE:PS51278"
FT ACT_SITE 2
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01931,
FT ECO:0000256|PIRSR:PIRSR000485-1"
FT BINDING 304
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01931,
FT ECO:0000256|PIRSR:PIRSR000485-2"
FT BINDING 366
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01931,
FT ECO:0000256|PIRSR:PIRSR000485-2"
FT BINDING 367
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01931,
FT ECO:0000256|PIRSR:PIRSR000485-2"
SQ SEQUENCE 506 AA; 55666 MW; 4845A35661B7F898 CRC64;
MCGLVGIVAG KNVAPDIYDA LTVLQHRGQD AAGIMTCDRG RFSLRKSEGL VRDVFRQQHM
QRLEGNVGIG HVRYPTAGSS GPALAQPFYV NSPYGIALAH NGNLTNAEQL GKELFEDDLR
HLNTDSDSEV LLNVFAHELQ TLGKLSPGPE DIFAAVGAVH KRCRGGYAAV SLIVDHGVVG
FRDPLGIRPL VVGERTGKDG KKVHMIASES VALDVLGFSL LGDVAPGEAV FIDMEGQLHR
RQCAQYSNLT PCIFEHVYFA RPDSMMDGIS VYKTRMRQGA ALAKKVRRER PDLHIDVVIP
IPDTSRIAGQ SMAYELGIKF REGFMKNRYI GRTFIMPGQS QRKKSVRQKL NPVRLEFEGK
NVMLVDDSIV RGTTCRQIIE MARDAGAANV YFASAAPPVR YPNVYGIDMP SASELIAHNR
SVDEICEQIG ADWLIFQDLD DLIRCSSDGN DLIESFDCSV FSGEYITGDV DQNYLDHIET
QRNDEAQSKS RAGLEEGAVV GIHNDD
//
