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All Outputs (13)

Discovery of α-Amidobenzylboronates as Highly Potent Covalent Inhibitors of Plasma Kallikrein (2024)
Journal Article
Allison, M., Davie, R. L., Mogg, A. J., Hampton, S. L., Emsley, J., & Stocks, M. J. (2024). Discovery of α-Amidobenzylboronates as Highly Potent Covalent Inhibitors of Plasma Kallikrein. ACS Medicinal Chemistry Letters, 15(4), 501–509. https://doi.org/10.1021/acsmedchemlett.3c00572

Hereditary angioedema (HAE), a rare genetic disorder, is associated with uncontrolled plasma kallikrein (PKa) enzyme activity leading to the generation of bradykinin swelling in subcutaneous and submucosal membranes in various locations of the body.... Read More about Discovery of α-Amidobenzylboronates as Highly Potent Covalent Inhibitors of Plasma Kallikrein.

High molecular weight kininogen interactions with the homologs prekallikrein and factor XI: importance to surface-induced coagulation (2023)
Journal Article
Mohammed, B. M., Sun, M., Cheng, Q., Litvak, M., McCrae, K. R., Emsley, J., …Gailani, D. (2024). High molecular weight kininogen interactions with the homologs prekallikrein and factor XI: importance to surface-induced coagulation. Journal of Thrombosis and Haemostasis, 22(1), 225-237. https://doi.org/10.1016/j.jtha.2023.09.027

Background: In plasma, high molecular weight kininogen (HK) is either free or bound to prekallikrein (PK) or factor (F) XI (FXI). During contact activation, HK is thought to anchor PK and FXI to surfaces, facilitating their conversion to the protease... Read More about High molecular weight kininogen interactions with the homologs prekallikrein and factor XI: importance to surface-induced coagulation.

Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate (2023)
Journal Article
Bardelang, P., Murray, E. J., Blower, I., Zandomeneghi, S., Goode, A., Hussain, R., …Bonev, B. B. (2023). Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate. Frontiers in Chemistry, 11, Article 1113885. https://doi.org/10.3389/fchem.2023.1113885

Virulence gene expression in the human pathogen, S. aureus is regulated by the agr (accessory gene regulator) quorum sensing (QS) system which is conserved in diverse Gram-positive bacteria. The agr QS signal molecule is an autoinducing peptide (AIP)... Read More about Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate.

Structures of factor XI and prekallikrein bound to domain 6 of high–molecular weight kininogen reveal alternate domain 6 conformations and exosites (2023)
Journal Article
Li, C., Barroeta, A. B., Wong, S. S., Kim, H. J., Pathak, M., Dreveny, I., …Emsley, J. (2023). Structures of factor XI and prekallikrein bound to domain 6 of high–molecular weight kininogen reveal alternate domain 6 conformations and exosites. Journal of Thrombosis and Haemostasis, https://doi.org/10.1016/j.jtha.2023.03.042

Background: High–molecular weight kininogen (HK) circulates in plasma as a complex with zymogen prekallikrein (PK). HK is both a substrate and a cofactor for activated plasma kallikrein, and the principal exosite interactions occur between PK N-termi... Read More about Structures of factor XI and prekallikrein bound to domain 6 of high–molecular weight kininogen reveal alternate domain 6 conformations and exosites.

Characterizing the binding of glycoprotein VI with nanobody 35 reveals a novel monomeric structure of glycoprotein VI where the conformation of D1+D2 is independent of dimerization (2022)
Journal Article
Damaskinaki, F. N., Jooss, N. J., Martin, E. M., Clark, J. C., Thomas, M. R., Poulter, N. S., …Slater, A. (2023). Characterizing the binding of glycoprotein VI with nanobody 35 reveals a novel monomeric structure of glycoprotein VI where the conformation of D1+D2 is independent of dimerization. Journal of Thrombosis and Haemostasis, 21(2), 317-328. https://doi.org/10.1016/j.jtha.2022.11.002

Background: The platelet–signaling receptor glycoprotein VI (GPVI) is a promising antithrombotic target. We have previously raised a series of high-affinity nanobodies (Nbs) against GPVI and identified Nb2, Nb21, and Nb35 as potent GPVI inhibitors. T... Read More about Characterizing the binding of glycoprotein VI with nanobody 35 reveals a novel monomeric structure of glycoprotein VI where the conformation of D1+D2 is independent of dimerization.

Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR (2020)
Journal Article
Grossman, S., Soukarieh, F., Richardson, W., Liu, R., Mashabi, A., Emsley, J., …Stocks, M. J. (2020). Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR. European Journal of Medicinal Chemistry, 208, Article 112778. https://doi.org/10.1016/j.ejmech.2020.112778

© 2020 The Authors Rising numbers of cases of multidrug- and extensively drug-resistant Pseudomonas aeruginosa over recent years have created an urgent need for novel therapeutic approaches to cure potentially fatal infections. One such approach is v... Read More about Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR.

Plasma kallikrein structure reveals apple domain disc rotated conformation compared to factor XI (2019)
Journal Article
Li, C., Voos, K. M., Pathak, M., Hall, G., McCrae, K. R., Dreveny, I., …Emsley, J. (2019). Plasma kallikrein structure reveals apple domain disc rotated conformation compared to factor XI. Journal of Thrombosis and Haemostasis, 17(5), 759-770. https://doi.org/10.1111/jth.14418

Background Plasma prekallikrein (PK) and factor XI (FXI) are apple domain‐containing serine proteases that when activated to PKa and FXIa cleave substrates kininogen, factor XII, and factor IX, respectively, directing plasma coagulation, bradykinin... Read More about Plasma kallikrein structure reveals apple domain disc rotated conformation compared to factor XI.

Proteolytic properties of single-chain factor XII: a mechanism for triggering contact activation (2017)
Journal Article
Ivanov, I., Matafonov, A., Sun, M., Cheng, Q., Dickeson, S. K., Verhamme, I. M., …Gailani, D. (2017). Proteolytic properties of single-chain factor XII: a mechanism for triggering contact activation. Blood, 129(11), 1527-1537. https://doi.org/10.1182/blood-2016-10-744110

When blood is exposed to variety of artificial surfaces and biologic substances, the plasma proteins factor XII (FXII) and prekallikrein undergo reciprocal proteolytic conversion to the proteases αFXIIa and α-kallikrein by a process called contact ac... Read More about Proteolytic properties of single-chain factor XII: a mechanism for triggering contact activation.

Exploiting the kinetic interplay between GPIb -VWF binding interfaces to regulate hemostasis and thrombosis (2014)
Journal Article
Chen, J., Zhou, H., Diacovo, A., Zheng, X. L., Emsley, J., & Diacovo, T. G. (2014). Exploiting the kinetic interplay between GPIb -VWF binding interfaces to regulate hemostasis and thrombosis. Blood, 124(25), https://doi.org/10.1182/blood-2014-04-569392

Platelet–von Willebrand factor (VWF) interactions must be tightly regulated in order to promote effective hemostasis and prevent occlusive thrombus formation. However, it is unclear what role the inherent properties of the bond formed between the pla... Read More about Exploiting the kinetic interplay between GPIb -VWF binding interfaces to regulate hemostasis and thrombosis.

Structure and Catalytic Regulatory Function of Ubiquitin Specific Protease 11 N-Terminal and Ubiquitin-like Domains (2014)
Journal Article
Harper, S., Gratton, H. E., Cornaciu, I., Oberer, M., Scott, D. J., Emsley, J., & Dreveny, I. (2014). Structure and Catalytic Regulatory Function of Ubiquitin Specific Protease 11 N-Terminal and Ubiquitin-like Domains. Biochemistry, 53(18), 2966-2978. https://doi.org/10.1021/bi500116x

The ubiquitin specific protease 11 (USP11) is implicated in DNA repair, viral RNA replication, and TGFβ signaling. We report the first characterization of the USP11 domain architecture and its role in regulating the enzymatic activity. USP11 consists... Read More about Structure and Catalytic Regulatory Function of Ubiquitin Specific Protease 11 N-Terminal and Ubiquitin-like Domains.

The mechanism underlying activation of factor IX by factor XIa (2014)
Journal Article
Gailani, D., Geng, Y., Verhamme, I., Sun, M.-F., Bajaj, S. P., Messer, A., & Emsley, J. (2014). The mechanism underlying activation of factor IX by factor XIa. Thrombosis Research, 133(Supplement 1), S48-S51. https://doi.org/10.1016/j.thromres.2014.03.020

Factor XI (fXI) is the zymogen of a plasma protease, factor XIa (fXIa), that contributes to thrombin generation during blood coagulation by proteolytic conversion of factor IX (fIX) to factor IXaβ (fIXaβ). There is considerable interest in fXIa as a... Read More about The mechanism underlying activation of factor IX by factor XIa.

End-stapled homo and hetero collagen triple helices: A click chemistry approach (2010)
Journal Article
Byrne, C., McEwan, P. A., Emsley, J., Fischer, P. M., & Chan, W. C. (2011). End-stapled homo and hetero collagen triple helices: A click chemistry approach. Chemical Communications, 47(9), 2589-2591. https://doi.org/10.1039/c0cc04795c

A CuAAC reaction was established for modular synthesis of end-stapled homo- and hetero-triple helical peptides, generating "clicked" macro-assemblies with enhanced thermal stability. © 2011 The Royal Society of Chemistry.