PUR7_ACIB3
ID PUR7_ACIB3 Reviewed; 239 AA.
AC B7GV30;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 03-AUG-2022, entry version 74.
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};
GN OrderedLocusNames=ABBFA_000058;
OS Acinetobacter baumannii (strain AB307-0294).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX NCBI_TaxID=557600;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AB307-0294;
RX PubMed=18931120; DOI=10.1128/jb.00834-08;
RA Adams M.D., Goglin K., Molyneaux N., Hujer K.M., Lavender H., Jamison J.J.,
RA MacDonald I.J., Martin K.M., Russo T., Campagnari A.A., Hujer A.M.,
RA Bonomo R.A., Gill S.R.;
RT "Comparative genome sequence analysis of multidrug-resistant Acinetobacter
RT baumannii.";
RL J. Bacteriol. 190:8053-8064(2008).
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; CP001172; ACJ57475.1; -; Genomic_DNA.
DR RefSeq; WP_000917863.1; NZ_CP001172.1.
DR AlphaFoldDB; B7GV30; -.
DR SMR; B7GV30; -.
DR GeneID; 60877787; -.
DR GeneID; 66395395; -.
DR HOGENOM; CLU_061495_2_0_6; -.
DR OMA; EFCYKND; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000006924; 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.
FT CHAIN 1..239
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000117818"
SQ SEQUENCE 239 AA; 26958 MW; 9DBF831BBDC20635 CRC64;
MLKQTLLYTG KAKSVYETDN ADHLILVFRD DASAFNGEKI EQLDRKGKVN NRFNAFIMEK
LAEAGIETHF EKLLSPTEVL VKKLQMIPVE CVIRNYAAGS LCRRLGVEEG KELTPPTFEL
FYKDDGLGDP MVNESQAIAL GWATAEQLEQ MKVLTYKVND VLKALFAEGN MILVDFKLEF
GVFHDRIVLG DEFSPDGCRL WDKDTKKKLD KDRFRQGLGG VVEAYEEVAA RLGVDLSDI