PUR7_HAMD5
ID PUR7_HAMD5 Reviewed; 237 AA.
AC C4K789;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 07-JUL-2009, sequence version 1.
DT 25-MAY-2022, entry version 61.
DE RecName: Full=Phosphoribosylaminoimidazole-succinocarboxamide synthase {ECO:0000255|HAMAP-Rule:MF_00137};
DE EC=6.3.2.6 {ECO:0000255|HAMAP-Rule:MF_00137};
DE AltName: Full=SAICAR synthetase {ECO:0000255|HAMAP-Rule:MF_00137};
GN Name=purC {ECO:0000255|HAMAP-Rule:MF_00137}; OrderedLocusNames=HDEF_1837;
OS Hamiltonella defensa subsp. Acyrthosiphon pisum (strain 5AT).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; aphid secondary symbionts; Candidatus Hamiltonella.
OX NCBI_TaxID=572265;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=5AT;
RX PubMed=19451630; DOI=10.1073/pnas.0900194106;
RA Degnan P.H., Yu Y., Sisneros N., Wing R.A., Moran N.A.;
RT "Hamiltonella defensa, genome evolution of protective bacterial
RT endosymbiont from pathogenic ancestors.";
RL Proc. Natl. Acad. Sci. U.S.A. 106:9063-9068(2009).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + ATP +
CC L-aspartate = (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-
CC 4-carboxamido]succinate + ADP + 2 H(+) + phosphate;
CC Xref=Rhea:RHEA:22628, ChEBI:CHEBI:15378, ChEBI:CHEBI:29991,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58443,
CC ChEBI:CHEBI:77657, ChEBI:CHEBI:456216; EC=6.3.2.6;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00137};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-
CC phospho-D-ribosyl)imidazole-4-carboxylate: step 1/2.
CC {ECO:0000255|HAMAP-Rule:MF_00137}.
CC -!- SIMILARITY: Belongs to the SAICAR synthetase family.
CC {ECO:0000255|HAMAP-Rule:MF_00137}.
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DR EMBL; CP001277; ACQ68432.1; -; Genomic_DNA.
DR RefSeq; WP_015874196.1; NC_012751.1.
DR AlphaFoldDB; C4K789; -.
DR SMR; C4K789; -.
DR STRING; 572265.HDEF_1837; -.
DR EnsemblBacteria; ACQ68432; ACQ68432; HDEF_1837.
DR GeneID; 66261423; -.
DR KEGG; hde:HDEF_1837; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_061495_2_1_6; -.
DR OMA; EFCYKND; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000002334; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004639; F:phosphoribosylaminoimidazolesuccinocarboxamide synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:InterPro.
DR CDD; cd01415; SAICAR_synt_PurC; 1.
DR HAMAP; MF_00137; SAICAR_synth; 1.
DR InterPro; IPR028923; SAICAR_synt/ADE2_N.
DR InterPro; IPR033934; SAICAR_synt_PurC.
DR InterPro; IPR001636; SAICAR_synth.
DR InterPro; IPR018236; SAICAR_synthetase_CS.
DR Pfam; PF01259; SAICAR_synt; 1.
DR TIGRFAMs; TIGR00081; purC; 1.
DR PROSITE; PS01057; SAICAR_SYNTHETASE_1; 1.
DR PROSITE; PS01058; SAICAR_SYNTHETASE_2; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW Reference proteome.
FT CHAIN 1..237
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000203232"
SQ SEQUENCE 237 AA; 27149 MW; 4F4F257789AF52D8 CRC64;
MQKLSEVYRG KAKTVYATEN PDFLVLEFRN DTSALDGKRI EQFYRKGIIN NQFNHFIMLK
LEEAGIPTQL ERLLSENELL VKKLDMFPLE SVIRNRAAGS LEKRLALQEG LLLDPPIYDL
FLKNDSLHDP IVTESYCETF GWASTAHLVK MKELSYKVND VLSPLFDAAD LILVDFKLEF
GLFKGEVILG DEFSPDGCRI WDKTTLNKLD KDRFRQNLGG LIEAYEEVAK RIGVPLN
