NameAdenylosuccinate synthetase isozyme 1
Synonyms
  • 6.3.4.4
  • Adenylosuccinate synthetase, basic isozyme
  • Adenylosuccinate synthetase, muscle isozyme
  • ADSS1
  • AMPSase 1
  • IMP--aspartate ligase 1
  • M-type adenylosuccinate synthetase
Gene NameADSSL1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0004379|Adenylosuccinate synthetase isozyme 1
MSGTRASNDRPPGAGGVKRGRLQQEAAATGSRVTVVLGAQWGDEGKGKVVDLLATDADII
SRCQGGNNAGHTVVVDGKEYDFHLLPSGIINTKAVSFIGNGVVIHLPGLFEEAEKNEKKG
LKDWEKRLIISDRAHLVFDFHQAVDGLQEVQRQAQEGKNIGTTKKGIGPTYSSKAARTGL
RICDLLSDFDEFSSRFKNLAHQHQSMFPTLEIDIEGQLKRLKGFAERIRPMVRDGVYFMY
EALHGPPKKILVEGANAALLDIDFGTYPFVTSSNCTVGGVCTGLGIPPQNIGDVYGVVKA
YTTRVGIGAFPTEQINEIGGLLQTRGHEWGVTTGRKRRCGWLDLMILRYAHMVNGFTALA
LTKLDILDVLGEVKVGVSYKLNGKRIPYFPANQEMLQKVEVEYETLPGWKADTTGARRWE
DLPPQAQNYIRFVENHVGVAVKWVGVGKSRESMIQLF
Number of residues457
Molecular Weight50208.16
Theoretical pI8.85
GO Classification
Functions
  • phosphate ion binding
  • GTP binding
  • GTPase activity
  • magnesium ion binding
  • adenylosuccinate synthase activity
Processes
  • IMP metabolic process
  • nucleobase-containing small molecule metabolic process
  • purine nucleobase metabolic process
  • glutamine metabolic process
  • cellular response to drug
  • purine ribonucleoside monophosphate biosynthetic process
  • response to starvation
  • aspartate metabolic process
  • immune system process
  • cellular response to electrical stimulus
  • response to muscle activity
  • 'de novo' AMP biosynthetic process
  • AMP biosynthetic process
  • small molecule metabolic process
Components
  • cytoplasm
  • cytosol
General FunctionPhosphate ion binding
Specific FunctionComponent of the purine nucleotide cycle (PNC), which interconverts IMP and AMP to regulate the nucleotide levels in various tissues, and which contributes to glycolysis and ammoniagenesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP (By similarity).
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID21303413
UniProtKB IDQ8N142
UniProtKB Entry NamePURA1_HUMAN
Cellular LocationCytoplasm
Gene sequence
>lcl|BSEQ0011611|Adenylosuccinate synthetase isozyme 1 (ADSSL1)
ATGTCGGGGACCCGAGCCTCCAACGACCGGCCCCCCGGCGCAGGCGGCGTCAAGCGGGGG
CGGCTGCAGCAGGAGGCGGCGGCGACCGGCTCCCGCGTGACGGTGGTGCTGGGCGCGCAG
TGGGGGGACGAGGGCAAAGGCAAGGTGGTGGACCTGCTGGCCACGGACGCCGACATCATC
AGCCGCTGCCAGGGGGGCAACAACGCCGGCCACACGGTGGTGGTGGATGGGAAAGAGTAC
GACTTCCACCTGCTGCCCAGCGGCATCATCAACACCAAGGCCGTGTCCTTCATTGGCAAC
GGGGTGGTCATCCACTTGCCAGGCTTGTTTGAGGAAGCAGAGAAGAATGAAAAGAAAGGC
CTGAAGGACTGGGAGAAGAGGCTCATCATCTCTGACAGAGCCCACCTTGTGTTTGATTTT
CACCAGGCTGTCGACGGACTTCAGGAAGTGCAGCGCCAGGCACAAGAGGGGAAGAATATA
GGCACCACCAAGAAGGGAATCGGACCAACCTACTCTTCCAAAGCTGCCCGGACAGGCCTC
CGCATCTGCGACCTCCTGTCAGATTTTGATGAGTTTTCCTCCAGATTCAAGAACCTGGCC
CACCAGCACCAGTCGATGTTCCCCACCCTGGAAATAGACATTGAAGGCCAACTCAAAAGG
CTCAAGGGCTTTGCTGAGCGGATCAGACCCATGGTCCGAGATGGTGTTTACTTTATGTAT
GAGGCACTCCACGGCCCCCCCAAGAAGATCCTGGTGGAGGGTGCCAACGCCGCCCTCCTC
GACATTGACTTCGGGACCTACCCCTTTGTGACTTCATCCAACTGCACCGTGGGCGGTGTG
TGCACGGGCCTGGGCATCCCCCCGCAGAACATAGGTGACGTGTATGGCGTGGTGAAAGCC
TATACCACACGTGTGGGCATCGGGGCCTTCCCCACCGAGCAGATCAACGAGATTGGAGGC
CTGCTGCAGACCCGCGGCCACGAGTGGGGAGTGACCACAGGCAGGAAGAGGCGCTGCGGC
TGGCTCGACCTGATGATTCTAAGATATGCTCACATGGTCAACGGATTCACTGCGCTGGCC
CTGACGAAGCTGGACATCCTGGACGTACTGGGTGAGGTTAAAGTCGGTGTCTCATACAAG
CTGAACGGGAAAAGGATTCCCTATTTCCCAGCTAACCAGGAGATGCTTCAGAAGGTCGAA
GTTGAGTATGAAACGCTGCCTGGGTGGAAAGCAGACACCACAGGCGCCAGGAGGTGGGAG
GACCTGCCCCCACAGGCCCAGAACTACATCCGCTTTGTGGAGAATCACGTGGGAGTCGCA
GTCAAATGGGTTGGTGTTGGCAAGTCAAGAGAGTCGATGATCCAGCTGTTTTAG
GenBank Gene IDAY037159
GeneCard IDNot Available
GenAtlas IDADSSL1
HGNC IDHGNC:20093
Chromosome Location14
Locus14q32.33
References
  1. Sun H, Li N, Wang X, Chen T, Shi L, Zhang L, Wang J, Wan T, Cao X: Molecular cloning and characterization of a novel muscle adenylosuccinate synthetase, AdSSL1, from human bone marrow stromal cells. Mol Cell Biochem. 2005 Jan;269(1-2):85-94. 15786719
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