B3ECH5 (PUR7_CHLL2) 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:	Clim_1182

Organism

Chlorobium limicola (strain DSM 245 / NBRC 103803) [Complete proteome] [HAMAP]

Taxonomic identifier

290315 [NCBI]

Taxonomic lineage

Bacteria › Chlorobi › Chlorobia › Chlorobiales › Chlorobiaceae › Chlorobium/Pelodictyon group › Chlorobium

Protein attributes

Sequence length	236 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
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 – 236	236	Phosphoribosylaminoimidazole-succinocarboxamide synthase HAMAP MF_00137		PRO_1000095969

Sequences

	Sequence		Length	Mass (Da)
	B3ECH5 [UniParc]. Last modified July 22, 2008. Version 1. Checksum: BA2255777504FB83	FASTA	236	26,886
	10 20 30 40 50 60 MQKTTLLHEG KAKKVFLTGD SDLVIQEFKD DATAFNNKKK GTIADKGVVN NAISCKLFTM 70 80 90 100 110 120 LESHGVKTHL VEKLSERDML CRRLDIIKVE VVVRNIAAGS LVKRYGFAEG TVLDKPIVEF 130 140 150 160 170 180 YLKDDDLDDP LMNESHAVAL GVATLEELSV LRDRAEAINV VLKEFFAQRK LKLVDFKLEF 190 200 210 220 230 GRYHNEILLG DEISPDTCRF WDLDTNEKMD KDRFRFDLGG VEDAYGEVQR RVLEQD

References

[1]

"Complete sequence of Chlorobium limicola DSM 245." US DOE Joint Genome Institute Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G., Zhao F., Li T., Liu Z. , Overmann J., Bryant D.A., Richardson P. Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: DSM 245 / NBRC 103803.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP001097 Genomic DNA. Translation: ACD90250.1.
RefSeq	YP_001943229.1. NC_010803.1.
3D structure databases
ProteinModelPortal	B3ECH5.
SMR	B3ECH5. Positions 3-233.
ModBase	Search...
Protein-protein interaction databases
STRING	B3ECH5.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	6353698.
GenomeReviews	Gene locus Clim_1182 in contig CP001097_GR.
KEGG	cli:Clim_1182.
PATRIC	21374437. VBIChlLim118737_1257.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG306070.
OMA	YKDDALG.
ProtClustDB	PRK09362.
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. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PUR7_CHLL2

Accession

Primary (citable) accession number: B3ECH5

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 24, 2009
Last sequence update:	July 22, 2008
Last modified:	January 25, 2012
This is version 27 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program