(data stored in ACNUC7421 zone)

SWISSPROT: PUR7_HISS2

ID   PUR7_HISS2              Reviewed;         286 AA.
AC   B0UW56;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   11-DEC-2019, entry version 66.
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=HSM_0251;
OS   Histophilus somni (strain 2336) (Haemophilus somnus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Histophilus.
OX   NCBI_TaxID=228400;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2336;
RG   US DOE Joint Genome Institute;
RA   Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA   Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA   Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA   Dyer D.W., Inzana T.J.;
RT   "Complete sequence of Haemophilus somnus 2336.";
RL   Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
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}.
DR   EMBL; CP000947; ACA31878.1; -; Genomic_DNA.
DR   RefSeq; WP_012341123.1; NC_010519.1.
DR   SMR; B0UW56; -.
DR   EnsemblBacteria; ACA31878; ACA31878; HSM_0251.
DR   GeneID; 31486531; -.
DR   KEGG; hsm:HSM_0251; -.
DR   HOGENOM; HOG000230360; -.
DR   KO; K01923; -.
DR   OMA; CEPFKVE; -.
DR   OrthoDB; 1345271at2; -.
DR   BioCyc; HSOM228400:G1GB8-261-MONOMER; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000008543; 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.
DR   PROSITE; PS01058; SAICAR_SYNTHETASE_2; 1.
PE   3: Inferred from homology;
DR   PRODOM; B0UW56.
DR   SWISS-2DPAGE; B0UW56.
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..286
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000076456"
SQ   SEQUENCE   286 AA;  32271 MW;  C96A7C72625DBABE CRC64;
     MTQLSLKKIY SGKVRDLYEI DDKRMLMVAT DRLSAFDVIL DDPIDRKGEI LTQISNFWFK
     KLAHIMPNHF TGETVYDVLP QAEADLVKDR AVVCKRLTPI KIESIVRGYL TGSGLKDYKA
     TGTICGLKLP EGLVEASKLP EPIFTPSSKA KVGDHDINIS YEECEQLIGV ELAKQVREKA
     ISLYKEAAEY ALTKGIIICD TKFEFGLDEN GVLTLMDEVL TPDSSRFWSV ETYQEGTNPP
     SFDKQFVRDW LEKSGWNKQA PAPKVPADVI QKTVDKYKEV LDLLTK
//

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