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NamePhosphoserine aminotransferase
Synonyms
  • 2.6.1.52
  • Phosphohydroxythreonine aminotransferase
  • PSA
  • PSAT
Gene NamePSAT1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0001203|Phosphoserine aminotransferase
MDAPRQVVNFGPGPAKLPHSVLLEIQKELLDYKGVGISVLEMSHRSSDFAKIINNTENLV
RELLAVPDNYKVIFLQGGGCGQFSAVPLNLIGLKAGRCADYVVTGAWSAKAAEEAKKFGT
INIVHPKLGSYTKIPDPSTWNLNPDASYVYYCANETVHGVEFDFIPDVKGAVLVCDMSSN
FLSKPVDVSKFGVIFAGAQKNVGSAGVTVVIVRDDLLGFALRECPSVLEYKVQAGNSSLY
NTPPCFSIYVMGLVLEWIKNNGGAAAMEKLSSIKSQTIYEIIDNSQGFYVCPVEPQNRSK
MNIPFRIGNAKGDDALEKRFLDKALELNMLSLKGHRSVGGIRASLYNAVTIEDVQKLAAF
MKKFLEMHQL
Number of residues370
Molecular Weight40422.355
Theoretical pI7.77
GO Classification
Functions
  • O-phospho-L-serine
Processes
  • pyridoxine biosynthetic process
  • cellular amino acid biosynthetic process
  • cellular nitrogen compound metabolic process
  • small molecule metabolic process
  • L-serine biosynthetic process
Components
  • cytoplasm
  • cytosol
  • extracellular exosome
General FunctionO-phospho-l-serine:2-oxoglutarate aminotransferase activity
Specific FunctionCatalyzes the reversible conversion of 3-phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4-phosphonooxybutanoate to phosphohydroxythreonine.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID5326802
UniProtKB IDQ9Y617
UniProtKB Entry NameSERC_HUMAN
Cellular LocationNot Available
Gene sequence
>lcl|BSEQ0016150|Phosphoserine aminotransferase (PSAT1)
ATGGACGCCCCCAGGCAGGTGGTCAACTTTGGGCCTGGTCCCGCCAAGCTGCCGCACTCA
GTGTTGTTAGAGATACAAAAGGAATTATTAGACTACAAAGGAGTTGGCATTAGTGTTCTT
GAAATGAGTCACAGGTCATCAGATTTTGCCAAGATTATTAACAATACAGAGAATCTTGTG
CGGGAATTGCTAGCTGTTCCAGACAACTATAAGGTGATTTTTCTGCAAGGAGGTGGGTGC
GGCCAGTTCAGTGCTGTCCCCTTAAACCTCATTGGCTTGAAAGCAGGAAGGTGTGCTGAC
TATGTGGTGACAGGAGCTTGGTCAGCTAAGGCCGCAGAAGAAGCCAAGAAGTTTGGGACT
ATAAATATCGTTCACCCTAAACTTGGGAGTTATACAAAAATTCCAGATCCAAGCACCTGG
AACCTCAACCCAGATGCCTCCTACGTGTATTATTGCGCAAATGAGACGGTGCATGGTGTG
GAGTTTGACTTTATACCCGATGTCAAGGGAGCAGTACTGGTTTGTGACATGTCCTCAAAC
TTCCTGTCCAAGCCAGTGGATGTTTCCAAGTTTGGTGTGATTTTTGCTGGTGCCCAGAAG
AATGTTGGCTCTGCTGGGGTCACCGTGGTGATTGTCCGTGATGACCTGCTGGGGTTTGCC
CTCCGAGAGTGCCCCTCGGTCCTGGAATACAAGGTGCAGGCTGGAAACAGCTCCTTGTAC
AACACGCCTCCATGTTTCAGCATCTACGTCATGGGCTTGGTTCTGGAGTGGATTAAAAAC
AATGGAGGTGCCGCGGCCATGGAGAAGCTTAGCTCCATCAAATCTCAAACAATTTATGAG
ATTATTGATAATTCTCAAGGATTCTACGTGTCTGTGGGAGGCATCCGGGCCTCTCTGTAT
AATGCTGTCACAATTGAAGACGTTCAGAAGCTGGCCGCCTTCATGAAAAAATTTTTGGAG
ATGCATCAGCTATGA
GenBank Gene IDAF113132
GeneCard IDNot Available
GenAtlas IDPSAT1
HGNC IDHGNC:19129
Chromosome Location9
Locus9q21.2
References
  1. Baek JY, Jun DY, Taub D, Kim YH: Characterization of human phosphoserine aminotransferase involved in the phosphorylated pathway of L-serine biosynthesis. Biochem J. 2003 Jul 1;373(Pt 1):191-200. 12633500
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  4. Hart CE, Race V, Achouri Y, Wiame E, Sharrard M, Olpin SE, Watkinson J, Bonham JR, Jaeken J, Matthijs G, Van Schaftingen E: Phosphoserine aminotransferase deficiency: a novel disorder of the serine biosynthesis pathway. Am J Hum Genet. 2007 May;80(5):931-7. Epub 2007 Mar 30. 17436247
  5. Gauci S, Helbig AO, Slijper M, Krijgsveld J, Heck AJ, Mohammed S: Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach. Anal Chem. 2009 Jun 1;81(11):4493-501. doi: 10.1021/ac9004309. 19413330
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