Search Results - "Bock, Paul E"
-
1
In vivo detection of Staphylococcus aureus endocarditis by targeting pathogen-specific prothrombin activation
Published in Nature medicine (01-09-2011)“…Infection by coagulase-positive Staphylococcus aureus ( S. aureus ) is the most common cause of acute endocarditis, a destructive and progressive condition of…”
Get full text
Journal Article -
2
Von Willebrand factor-binding protein is a hysteretic conformational activator of prothrombin
Published in Proceedings of the National Academy of Sciences - PNAS (12-05-2009)“…Von Willebrand factor-binding protein (VWbp), secreted by Staphylococcus aureus, displays secondary structural homology to the 3-helix bundle, D1 and D2…”
Get full text
Journal Article -
3
Spatial distribution of factor Xa, thrombin, and fibrin(ogen) on thrombi at venous shear
Published in PloS one (29-04-2010)“…The generation of thrombin is a critical process in the formation of venous thrombi. In isolated plasma under static conditions, phosphatidylserine…”
Get full text
Journal Article -
4
Staphylocoagulase is a prototype for the mechanism of cofactor-induced zymogen activation
Published in Nature (02-10-2003)“…Many bacterial pathogens secrete proteins that activate host trypsinogen-like enzyme precursors, most notably the proenzymes of the blood coagulation and…”
Get full text
Journal Article -
5
Protein Z-dependent protease inhibitor (ZPI) is a physiologically significant inhibitor of prothrombinase function
Published in The Journal of biological chemistry (10-05-2019)“…Current thought holds that factor Xa (FXa) bound in the prothrombinase complex is resistant to regulation by protein protease inhibitors during prothrombin…”
Get full text
Journal Article -
6
Rapid-reaction Kinetic Characterization of the Pathway of Streptokinase-Plasmin Catalytic Complex Formation
Published in The Journal of biological chemistry (19-09-2008)“…Binding of the fibrinolytic proteinase plasmin (Pm) to streptokinase (SK) in a tight stoichiometric complex transforms Pm into a potent proteolytic activator…”
Get full text
Journal Article -
7
Signal Recognition Particle Binds to Ribosome-bound Signal Sequences with Fluorescence-detected Subnanomolar Affinity That Does Not Diminish as the Nascent Chain Lengthens
Published in The Journal of biological chemistry (16-05-2003)“…The binding of signal recognition particle (SRP) to ribosome-bound signal sequences has been characterized directly and quantitatively using fluorescence…”
Get full text
Journal Article -
8
The Role of Thrombin Exosites I and II in the Activation of Human Coagulation Factor V
Published in The Journal of biological chemistry (23-11-2007)“…Human blood coagulation Factor V (FV) is a plasma protein with little procoagulant activity. Limited proteolysis at Arg709, Arg1018, and Arg1545 by thrombin or…”
Get full text
Journal Article -
9
Ratcheting of the Substrate from the Zymogen to Proteinase Conformations Directs the Sequential Cleavage of Prothrombin by Prothrombinase
Published in Proceedings of the National Academy of Sciences - PNAS (19-07-2005)“…Prothrombinase catalyzes thrombin formation by the ordered cleavage of two peptide bonds in prothrombin. Although these bonds are likely ≈36 Å apart,…”
Get full text
Journal Article -
10
Coupling of Conformational and Proteolytic Activation in the Kinetic Mechanism of Plasminogen Activation by Streptokinase
Published in The Journal of biological chemistry (27-08-2004)“…Binding of streptokinase (SK) to plasminogen (Pg) induces conformational activation of the zymogen and initiates its proteolytic conversion to plasmin (Pm)…”
Get full text
Journal Article -
11
Mapping of the fibrinogen-binding site on the staphylocoagulase C-terminal repeat region
Published in The Journal of biological chemistry (01-01-2022)“…Fibrin (Fbn) deposits are a hallmark of staphylocoagulase (SC)-positive endocarditis. Binding of the N terminus of Staphylococcus aureus SC to host prothrombin…”
Get full text
Journal Article -
12
Resolution of Conformational Activation in the Kinetic Mechanism of Plasminogen Activation by Streptokinase
Published in The Journal of biological chemistry (27-08-2004)“…Streptokinase (SK) activates plasminogen (Pg) by specific binding and nonproteolytic expression of the Pg catalytic site, initiating Pg proteolysis to form the…”
Get full text
Journal Article -
13
The Preferred Pathway of Glycosaminoglycan-accelerated Inactivation of Thrombin by Heparin Cofactor II
Published in The Journal of biological chemistry (12-03-2004)“…Thrombin (T) inactivation by the serpin, heparin cofactor II (HCII), is accelerated by the glycosaminoglycans (GAGs) dermatan sulfate (DS) and heparin (H)…”
Get full text
Journal Article -
14
Development of coagulation factor probes for the identification of procoagulant circulating tumor cells
Published in Frontiers in oncology (2012)“…Metastatic cancer is associated with a hypercoagulable state, and pathological venous thromboembolic disease is a significant source of morbidity and the…”
Get full text
Journal Article -
15
Restricted Active Site Docking by Enzyme-bound Substrate Enforces the Ordered Cleavage of Prothrombin by Prothrombinase
Published in The Journal of biological chemistry (09-11-2007)“…The preferred pathway for prothrombin activation by prothrombinase involves initial cleavage at Arg320 to produce meizothrombin, which is then cleaved at…”
Get full text
Journal Article -
16
Expression of Allosteric Linkage between the Sodium Ion Binding Site and Exosite I of Thrombin during Prothrombin Activation
Published in The Journal of biological chemistry (01-06-2007)“…The specificity of thrombin for procoagulant and anticoagulant substrates is regulated allosterically by Na+. Ordered cleavage of prothrombin (ProT) at Arg320…”
Get full text
Journal Article -
17
Novel Fluorescent Prothrombin Analogs as Probes of Staphylocoagulase-Prothrombin Interactions
Published in The Journal of biological chemistry (13-01-2006)“…Staphylocoagulase (SC) is a potent nonproteolytic prothrombin (ProT) activator and the prototype of a newly established zymogen activator and adhesion protein…”
Get full text
Journal Article -
18
Rapid Binding of Plasminogen to Streptokinase in a Catalytic Complex Reveals a Three-step Mechanism
Published in The Journal of biological chemistry (03-10-2014)“…Rapid kinetics demonstrate a three-step pathway of streptokinase (SK) binding to plasminogen (Pg), the zymogen of plasmin (Pm). Formation of a fluorescently…”
Get full text
Journal Article -
19
Role of Prothrombin Fragment 1 in the Pathway of Regulatory Exosite I Formation during Conversion of Human Prothrombin to Thrombin
Published in The Journal of biological chemistry (07-11-2003)“…Prothrombin (Pro) activation by factor Xa generates the thrombin catalytic site and exosites I and II. The role of fragment 1 (F1) in the pathway of exosite I…”
Get full text
Journal Article -
20
Structural Basis for Reduced Staphylocoagulase-mediated Bovine Prothrombin Activation
Published in The Journal of biological chemistry (13-01-2006)“…Staphylocoagulase (SC) is a protein secreted by the human pathogen, Staphylococcus aureus, that activates human prothrombin (ProT) by inducing a conformational…”
Get full text
Journal Article