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Protein tyrosine phosphatase non-receptor type 5 is an enzyme that in humans is encoded by the PTPN5 gene. [ 5 ] [ 6 ] Protein tyrosine phosphatase ( PTP ), non-receptor type 5, also known as STEP (STriatal-Enriched protein tyrosine Phosphatase), was the first brain-specific PTP discovered. [ 5 ]
Ser/Thr and Tyr dual-specificity phosphatases are a group of enzymes with both Ser/Thr (EC 3.1.3.16) and tyrosine-specific protein phosphatase (EC 3.1.3.48) activity able to remove the serine/threonine or the tyrosine-bound phosphate group from a wide range of phosphoproteins, including a number of enzymes that have been phosphorylated under ...
Autosomal dominant GTP cyclohydrolase I deficiency; Other names: Autosomal dominant Segawa syndrome (the autosomal recessive form of Segawa syndrome is caused by mutations in a different gene that encodes tyrosine hydroxylase), Dopa-responsive dystonia 5a, Autosomal dominant DYT/PARK-GCH1 (designation in accordance with the Nomenclature of Genetic Movement Disorders maintained by the ...
ZAP70 deficiency, or ZAP70 deficient SCID, [1] is a rare autosomal recessive form of severe combined immunodeficiency (SCID) resulting in a lack of CD8+ T cells. [2] People with this disease lack the capability to fight infections, and it is fatal if untreated.
Tyrosin-protein kinase Lck (or lymphocyte-specific protein tyrosine kinase) is a 56 kDa protein that is found inside lymphocytes and encoded in the human by the LCK gene. [5] The Lck is a member of Src kinase family (SFK) and is important for the activation of T-cell receptor (TCR) signaling in both naive T cells and effector T cells.
Protein tyrosine phosphatase non-receptor type 22 (PTPN22) is a cytoplasmatic protein encoded by gene PTPN22 and a member of PEST family of protein tyrosine phosphatases. This protein is also called "PEST-domain Enriched Phosphatase" ("PEP") or "Lymphoid phosphatase" ("LYP").
Terminal complement pathway deficiency is a genetic condition affecting the complement membrane attack complex (MAC). It involves deficiencies of C5, C6, C7, and C8. (While C9 is part of the MAC, and deficiencies have been identified, [1] it is not required for cell lysis. [2]) People with this condition are prone to meningococcal infection. [3]
In humans, the tyrosine aminotransferase protein is encoded by the TAT gene. [7] A deficiency of the enzyme in humans can result in what is known as type II tyrosinemia, wherein there is an abundance of tyrosine as a result of tyrosine failing to undergo an aminotransferase reaction to form 4-hydroxyphenylpyruvate. [8]