AAI69061.1
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NCBI Official Full Name
Papss2 protein
NCBI Official Synonym Full Names
3'-phosphoadenosine 5'-phosphosulfate synthase 2
NCBI Protein Information
bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 2
UniProt Comments for Papss2
PAPSS2: Bifunctional enzyme with both ATP sulfurylase and APS kinase activity, which mediates two steps in the sulfate activation pathway. The first step is the transfer of a sulfate group to ATP to yield adenosine 5'-phosphosulfate (APS), and the second step is the transfer of a phosphate group from ATP to APS yielding 3'-phosphoadenylylsulfate (PAPS: activated sulfate donor used by sulfotransferase). In mammals, PAPS is the sole source of sulfate; APS appears to be only an intermediate in the sulfate- activation pathway. May have a important role in skeletogenesis during postnatal growth. Defects in PAPSS2 are the cause of spondyloepimetaphyseal dysplasia Pakistani type (SEMD-PA). A bone disease characterized by epiphyseal dysplasia with mild metaphyseal abnormalities. Clinical features include short stature evidenced at birth, short and bowed lower limbs, mild brachydactyly, kyphoscoliosis, abnormal gait, enlarged knee joints. Some patients may manifest premature pubarche and hyperandrogenism associated with skeletal dysplasia and short stature. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: Nucleotide Metabolism - purine; EC 2.7.1.25; Transferase; Energy Metabolism - sulfur; Other Amino Acids Metabolism - selenoamino acid; EC 2.7.7.4
Molecular Function: adenylylsulfate kinase activity; sulfate adenylyltransferase (ATP) activity; ATP binding
Biological Process: sulfate assimilation; blood coagulation; phosphorylation; 3'-phosphoadenosine 5'-phosphosulfate biosynthetic process
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Pathways associated with anti-Papss2 antibody
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