Tryptase alpha/beta-1 (Protein name
), TRYB1_HUMAN from NCBI database.
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General Annotation
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Gene name:
TPSAB1(TPS1;TPS2;TPSB1);
Protein name:
Tryptase alpha/beta-1(Tryptase-1);
Alternative:
Tryptase alpha-1;Tryptase I;
Organism:
Human (Homo sapiens).
General Annotation
Sub Unit:
Homotetramer. The active tetramer is converted to inactive monomers at neutral and acidic pH in the absence of heparin. Low concentrations of inactive monomers become active monomers at pH 6.0 in the presence of heparin. When the concentration of active monomers is higher, they convert to active monomers and then to active tetramers. These monomers are active and functionally distinct from the tetrameric enzyme. In contrast to the hidden active sites in the tetrameric form, the active site of the monomeric form is accessible for macromolecular proteins and inhibitors eg: fibrinogen which is a substrate for the monomeric but not for the tetrameric form. The monomeric form forms a complex with SERPINB6.
Function:
Tryptase is the major neutral protease present in mast cells and is secreted upon the coupled activation-degranulation response of this cell type.
Subcellular Location:
Secreted
Released from the secretory granules upon mast cell activation.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);VARIANTS THR-85; SER-215; GLN-216 AND LYS-221
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Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA] (ALLELE BETA-I) (ISOFORM 1)
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Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ALLELES ALPHA AND BETA-I) (ISOFORM 1)
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);NUCLEOTIDE SEQUENCE [MRNA] OF 16-275 (ALLELE ALPHA; ISOFORM 2);NUCLEOTIDE SEQUENCE [MRNA] OF 54-275 (ALLELE BETA-I; ISOFORM 2);VARIANTS PRO-15 AND THR-85
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Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORM 1);VARIANTS PRO-15; SER-170; SER-215; GLN-216 AND LYS-221
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1);VARIANT LYS-132
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Cited for: PROTEIN SEQUENCE OF 31-50;PROTEIN SEQUENCE OF 31-38
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Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-233
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Cited for: X-RAY CRYSTALLOGRAPHY (2.2 ANGSTROMS) OF 31-275
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Cited for: VARIANTS PRO-15; VAL-18; VAL-23; THR-85; LYS-132; ALA-141; ASN-162; SER-170; SER-215; GLN-216; LYS-221 AND ASN-263