Q9UX20 (PUR7_SULSO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Phosphoribosylaminoimidazole-succinocarboxamide synthase
EC=6.3.2.6

Alternative name(s):
SAICAR synthetase

Gene names

Name:	purC
Ordered Locus Names:	SSO0626
ORF Names:	C08_023

Organism

Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)

Taxonomic identifier

273057 [NCBI]

Taxonomic lineage

Archaea › Crenarchaeota › Thermoprotei › Sulfolobales › Sulfolobaceae › Sulfolobus

Protein attributes

Sequence length	233 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate = ADP + phosphate + (S)-2-(5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido)succinate. HAMAP MF_00137
Pathway	Purine metabolism; IMP biosynthesis via de novo pathway; 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate: step 1/2. HAMAP MF_00137
Sequence similarities	Belongs to the SAICAR synthetase family.

Ontologies

Keywords
Biological process	Purine biosynthesis
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	purine nucleotide biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW phosphoribosylaminoimidazolesuccinocarboxamide synthase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 233	233	Phosphoribosylaminoimidazole-succinocarboxamide synthase HAMAP MF_00137		PRO_0000100919

Sequences

	Sequence		Length	Mass (Da)
	Q9UX20 [UniParc]. Last modified May 1, 2000. Version 1. Checksum: EE9A4A952EEB0B80	FASTA	233	27,283
	10 20 30 40 50 60 MEVNKISEGK TKIVYDFDKD HVLLEFKDDI TAGDGQKRDI LEGKGVLNAQ TSAFFFRLLE 70 80 90 100 110 120 RNGIETHYVG MKDERTMIVK KLKMIPVEVV LRNIATGSIV KRLPIKEGEV FESPIVEFFL 130 140 150 160 170 180 KDDLRHDPLL NYYHMEHLKL MNRKEAQHIE DIMMKVNDVL FNFIKSKGFI LYDFKLEFGR 190 200 210 220 230 LGDKLVIGDE ISLDSMRIRD GNSRIYDKDL YRKGYDLKTV KSSYEEFLKR ITS

References

[1]	"Gene content and organization of a 281-kbp contig from the genome of the extremely thermophilic archaeon, Sulfolobus solfataricus P2." Charlebois R.L., Singh R.K., Chan-Weiher C.C.-Y., Allard G., Chow C., Confalonieri F., Curtis B., Duguet M., Erauso G., Faguy D., Gaasterland T., Garrett R.A., Gordon P., Jeffries A.C., Kozera C., Kushwaha N., Lafleur E., Medina N. , Peng X., Penny S.L., She Q., St Jean A., van der Oost J., Young F., Zivanovic Y., Doolittle W.F., Ragan M.A., Sensen C.W. Genome 43:116-136(2000) [PubMed: 10701121] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 35092 / DSM 1617 / JCM 11322 / P2.
[2]	"The complete genome of the crenarchaeon Sulfolobus solfataricus P2." She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J., Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G., Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J., Medina N., Peng X. , Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C., Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T., Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J. Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001) [PubMed: 11427726] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 35092 / DSM 1617 / JCM 11322 / P2.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	Y18930 Genomic DNA. Translation: CAB57674.1. AE006641 Genomic DNA. Translation: AAK40937.1.
PIR	B90210.
RefSeq	NP_342147.1. NC_002754.1.
3D structure databases
ProteinModelPortal	Q9UX20.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	1454904.
GenomeReviews	Gene locus SSO0626 in contig AE006641_GR.
KEGG	sso:SSO0626.
NMPDR	fig|273057.1.peg.570.
Phylogenomic databases
HOGENOM	HBG306070.
OMA	YKDDALG.
ProtClustDB	PRK09362.
Enzyme and pathway databases
BioCyc	SSOL273057:SSO0626-MONOMER.
Family and domain databases
HAMAP	MF_00137. SAICAR_synth. [Tree]
InterPro	IPR013816. ATP_grasp_subdomain_2. IPR001636. SAICAR_synth. IPR018236. SAICAR_synthetase_CS. [Graphical view]
Gene3D	G3DSA:3.30.470.20. ATP_grasp_subdomain_2. 1 hit.
KO	K01923.
PANTHER	PTHR11609. SAICAR_synt. 1 hit.
Pfam	PF01259. SAICAR_synt. 1 hit. [Graphical view]
TIGRFAMs	TIGR00081. PurC. 1 hit.
PROSITE	PS01057. SAICAR_SYNTHETASE_1. 1 hit. PS01058. SAICAR_SYNTHETASE_2. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PUR7_SULSO

Accession

Primary (citable) accession number: Q9UX20

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 26, 2002
Last sequence update:	May 1, 2000
Last modified:	December 14, 2011
This is version 68 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program