A0LWT8 (PURA_ACIC1) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Adenylosuccinate synthetase
Short name=AMPSase
Short name=AdSS
EC=6.3.4.4

Alternative name(s):
IMP--aspartate ligase

Gene names

Name:	purA
Ordered Locus Names:	Acel_2126

Organism

Acidothermus cellulolyticus (strain ATCC 43068 / 11B) [Complete proteome] [HAMAP]

Taxonomic identifier

351607 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Frankineae › Acidothermaceae › Acidothermus

Protein attributes

Sequence length	428 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first commited step in the biosynthesis of AMP from IMP By similarity. HAMAP MF_00011
Catalytic activity	GTP + IMP + L-aspartate = GDP + phosphate + N(6)-(1,2-dicarboxyethyl)-AMP. HAMAP MF_00011
Cofactor	Binds 1 magnesium ion per subunit By similarity. HAMAP MF_00011
Pathway	Purine metabolism; AMP biosynthesis via de novo pathway; AMP from IMP: step 1/2. HAMAP MF_00011
Subunit structure	Homodimer By similarity. HAMAP MF_00011
Subcellular location	Cytoplasm By similarity HAMAP MF_00011.
Sequence similarities	Belongs to the adenylosuccinate synthetase family.

Ontologies

Keywords
Biological process	Purine biosynthesis
Cellular component	Cytoplasm
Ligand	GTP-binding Magnesium Metal-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
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	GTP binding Inferred from electronic annotation. Source: UniProtKB-KW adenylosuccinate synthase activity Inferred from electronic annotation. Source: EC magnesium ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 428	428	Adenylosuccinate synthetase HAMAP MF_00011		PRO_1000000768
Regions
	Nucleotide binding	12 – 18	7	GTP By similarity
	Nucleotide binding	40 – 42	3	GTP By similarity
	Nucleotide binding	330 – 332	3	GTP By similarity
	Nucleotide binding	413 – 415	3	GTP By similarity
	Region	13 – 16	4	IMP binding By similarity
	Region	38 – 41	4	IMP binding By similarity
	Region	298 – 304	7	Substrate binding By similarity
Sites
	Active site	13	1	Proton acceptor By similarity
	Active site	41	1	Proton donor By similarity
	Metal binding	13	1	Magnesium By similarity
	Metal binding	40	1	Magnesium; via carbonyl oxygen By similarity
	Binding site	128	1	IMP By similarity
	Binding site	142	1	IMP; shared with dimeric partner By similarity
	Binding site	223	1	IMP By similarity
	Binding site	238	1	IMP By similarity
	Binding site	302	1	IMP By similarity
	Binding site	304	1	GTP By similarity

Sequences

	Sequence		Length	Mass (Da)
	A0LWT8 [UniParc]. Last modified December 12, 2006. Version 1. Checksum: EDF56296071F0C92	FASTA	428	46,407
	10 20 30 40 50 60 MPAIVLLGAQ WGDEGKGKAT DLLAERIDYC VRFNGGNNAG HTIVIDGETY AMHLLPSGVL 70 80 90 100 110 120 TPGVVPVIGN GVVIDLGVLF DEIDLLTARG IDTSRLVVSA NAHVITAYHR VIDKVTERFL 130 140 150 160 170 180 GKARIGTTGR GIGPAYADKM SRVGVRVQDL FDEKILRQKI EGALDQKNQL LVKVYNRRAI 190 200 210 220 230 240 DPTAVADELL GYADRLRPMV ADTAALLNDA LDHHKTVLLE AGQGTLLDVD HGTYPFVTSS 250 260 270 280 290 300 NATAGGACTG SGIGPTRIDR VIAVAKAYTT RVGSGPFPTE LHDGEGEKLR RIGAEFGVTT 310 320 330 340 350 360 GRPRRCGWYD AVAVRYAMRI NGVTDVVLTK LDVLSHFERI PVCVAYRLPD GRTVEEMPMT 370 380 390 400 410 420 QTELHHVEPV YEELPGWQED LSAARSLEDL PKNAQRYVEF LQELAGVPFS VIGVGPGRDQ TIQLKALV

References

[1]

"Complete sequence of Acidothermus cellulolyticus 11B." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Zharchuk I., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N. , Berry A.M., Adney W.S., Normand P., Leu D., Pujic P., Richardson P. Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 43068 / 11B.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000481 Genomic DNA. Translation: ABK53898.1.
RefSeq	YP_873884.1. NC_008578.1.
3D structure databases
ProteinModelPortal	A0LWT8.
ModBase	Search...
Protein-protein interaction databases
STRING	A0LWT8.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	4486445.
GenomeReviews	Gene locus Acel_2126 in contig CP000481_GR.
KEGG	ace:Acel_2126.
PATRIC	20674910. VBIAciCel132453_2265.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0104.
HOGENOM	HBG658237.
OMA	DYVVRYQ.
PhylomeDB	A0LWT8.
ProtClustDB	PRK01117.
Enzyme and pathway databases
BioCyc	ACEL351607:ACEL_2126-MONOMER.
Family and domain databases
HAMAP	MF_00011. Adenylosucc_synth. [Tree]
InterPro	IPR018220. Adenylosuccinate_synthase_AS. IPR001114. Adenylosuccinate_synthetase. [Graphical view]
KO	K01939.
PANTHER	PTHR11846. Asucc_synthtase. 1 hit.
Pfam	PF00709. Adenylsucc_synt. 1 hit. [Graphical view]
SMART	SM00788. Adenylsucc_synt. 1 hit. [Graphical view]
TIGRFAMs	TIGR00184. PurA. 1 hit.
PROSITE	PS01266. ADENYLOSUCCIN_SYN_1. 1 hit. PS00513. ADENYLOSUCCIN_SYN_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PURA_ACIC1

Accession

Primary (citable) accession number: A0LWT8

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	December 12, 2006
Last modified:	December 14, 2011
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program