The Evolutionary History of the Chymase Locus -a Locus Encoding Several of the Major Hematopoietic Serine Proteases

S Akula, Z Fu, S Wernersson, L Hellman - International journal of …, 2021 - mdpi.com
Several hematopoietic cells of the immune system store large amounts of proteases in
cytoplasmic granules. The absolute majority of these proteases belong to the large family of …

Granule proteases of hematopoietic cells, a family of versatile inflammatory mediators – an update on their cleavage specificity, in vivo substrates, and evolution

L Hellman, M Thorpe - Biological chemistry, 2014 - degruyter.com
Cells from several of the hematopoietic cell lineages including mast cells, basophils,
neutrophils, cytotoxic T cells, and natural killer (NK) cells store proteases at very high levels …

The extended cleavage specificity of human thrombin

M Gallwitz, M Enoksson, M Thorpe, L Hellman - PloS one, 2012 - journals.plos.org
Thrombin is one of the most extensively studied of all proteases. Its central role in the
coagulation cascade as well as several other areas has been thoroughly documented …

Marked difference in efficiency of the digestive enzymes pepsin, trypsin, chymotrypsin, and pancreatic elastase to cleave tightly folded proteins

Z Fu, S Akula, M Thorpe, L Hellman - Biological Chemistry, 2021 - degruyter.com
In order for the intestinal mucosa to absorb dietary proteins they have to be digested into
single amino acids or very short peptides of a length of not more than four amino acids. In …

Extended cleavage specificity of human neutrophil elastase, human proteinase 3, and their distant ortholog clawed frog PR3—three elastases with similar primary but …

Z Fu, M Thorpe, S Akula, G Chahal… - Frontiers in …, 2018 - frontiersin.org
Serine proteases are major granule constituents of several of the human hematopoietic cell
lineages. Four proteolytically active such proteases have been identified in human …

Extended cleavage specificity of human neutrophil cathepsin G: A low activity protease with dual chymase and tryptase-type specificities

M Thorpe, Z Fu, G Chahal, S Akula, J Kervinen… - PLoS …, 2018 - journals.plos.org
Human neutrophils express at least four active serine proteases, cathepsin G, N-elastase,
proteinase 3 and neutrophil serine protease 4 (NSP4). They have all been extensively …

rMCP-2, the major rat mucosal mast cell protease, an analysis of its extended cleavage specificity and its potential role in regulating intestinal permeability by the …

Z Fu, M Thorpe, L Hellman - PLoS One, 2015 - journals.plos.org
Mast cells of the rat intestinal mucosa express three chymotryptic enzymes named rMCP-2,-
3 and 4. rMCP-2, the most abundant of these enzymes, has been shown to increase the …

The importance of exosite interactions for substrate cleavage by human thrombin

G Chahal, M Thorpe, L Hellman - PLoS One, 2015 - journals.plos.org
Thrombin is a serine protease of the chymotrypsin family that acts both as a procoagulant
and as an anticoagulant by cleaving either factor VIII, factor V and fibrinogen or protein C …

Extended cleavage specificity of the mast cell chymase from the crab-eating macaque (Macaca fascicularis): an interesting animal model for the analysis of the …

M Thorpe, J Yu, V Boinapally… - International …, 2012 - academic.oup.com
Serine proteases are the major protein constituents within mast cell secretory granules.
These proteases are subdivided into chymases and tryptases depending on their primary …

[HTML][HTML] Extended cleavage specificity of a Chinese alligator granzyme B homologue, a strict Glu-ase in contrast to the mammalian Asp-ases

J Ryu, Z Fu, S Akula, AK Olsson, L Hellman - … & Comparative Immunology, 2022 - Elsevier
Granzyme B (GzmB) is primarily expressed by mammalian cytotoxic T cells and serves as
one of the key components in the defense against viral infection by the induction of …