PUR7_DESPS
ID PUR7_DESPS Reviewed; 296 AA.
AC Q6AK95;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2004, sequence version 1.
DT 25-MAY-2022, entry version 99.
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=DP2502;
OS Desulfotalea psychrophila (strain LSv54 / DSM 12343).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC Desulfocapsaceae; Desulfotalea.
OX NCBI_TaxID=177439;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12343 / LSv54;
RX PubMed=15305914; DOI=10.1111/j.1462-2920.2004.00665.x;
RA Rabus R., Ruepp A., Frickey T., Rattei T., Fartmann B., Stark M., Bauer M.,
RA Zibat A., Lombardot T., Becker I., Amann J., Gellner K., Teeling H.,
RA Leuschner W.D., Gloeckner F.-O., Lupas A.N., Amann R., Klenk H.-P.;
RT "The genome of Desulfotalea psychrophila, a sulfate-reducing bacterium from
RT permanently cold Arctic sediments.";
RL Environ. Microbiol. 6:887-902(2004).
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; CR522870; CAG37231.1; -; Genomic_DNA.
DR RefSeq; WP_011189743.1; NC_006138.1.
DR AlphaFoldDB; Q6AK95; -.
DR SMR; Q6AK95; -.
DR STRING; 177439.DP2502; -.
DR EnsemblBacteria; CAG37231; CAG37231; DP2502.
DR KEGG; dps:DP2502; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_045637_0_0_7; -.
DR OMA; QKARPVM; -.
DR OrthoDB; 1345271at2; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000000602; 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 HAMAP; MF_00137; SAICAR_synth; 1.
DR InterPro; IPR028923; SAICAR_synt/ADE2_N.
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.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW Reference proteome.
FT CHAIN 1..296
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000018699"
SQ SEQUENCE 296 AA; 33348 MW; 28A3B1FE8F24EED2 CRC64;
MTEAMLTTDF PQLNLVHSGK VRDMYAIPGH DDKLLMVATD RISAYDVILS AIPGKGAILT
QLSLFWFDLL ADIVDNHMIT ADVTEYPEAC APYAEQLRGR SILVKRTKPL PIECIVRGYI
SGSFWKAYQQ DTNVCGFQLP EGMQESDKFP EPIFTPSTKA ELGDHDENIS FERMQEIVGV
EKAEQIARIS KALYTRAADY ARTKGVIIAD TKFELGEVDG KIILIDEVLT PDSSRFWAAD
KYEPGKSQES FDKQYLRDYL SSLDWDKNPP APPLPEEIIV KTKARYDEAV ERITGK
