5tjx

Structure of human plasma kallikrein

spinqualitylabelsall models 5tjx, resolution 1.41Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5tjx is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.408Å Ligands: GBT, PO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Disease KLKB1_HUMAN Defects in KLKB1 are the cause of prekallikrein deficiency (PKK deficiency) [MIM:612423; also known as Fletcher factor deficiency. This disorder is a blood coagulation defect. Function KLKB1_HUMAN The enzyme cleaves Lys-Arg and Arg-Ser bonds. It activates, in a reciprocal reaction, factor XII after its binding to a negatively charged surface. It also releases bradykinin from HMW kininogen and may also play a role in the renin-angiotensin system by converting prorenin into renin. Publication Abstract from PubMed A series of macrocyclic analogues were designed and synthesized based on the cocrystal structure of small molecule plasma kallikrein (pKal) inhibitor, 2, with the pKal protease domain. This led to the discovery of a potent macrocyclic pKal inhibitor 29, with an IC50 of 2 nM for one olefinic isomer and 42.3 nM for the other olefinic isomer. Structure-Guided Design of Novel, Potent, and Selective Macrocyclic Plasma Kallikrein Inhibitors.,Li Z, Partridge J, Silva-Garcia A, Rademacher P, Betz A, Xu Q, Sham H, Hu Y, Shan Y, Liu B, Zhang Y, Shi H, Xu Q, Ma X, Zhang L ACS Med Chem Lett. 2016 Dec 6;8(2):185-190. doi: 10.1021/acsmedchemlett.6b00384. , eCollection 2017 Feb 9. PMID:28197309 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Kallikrein 3D structures

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