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Cysteine-rich secretory proteins (CRISPs) are widely distributed, and notably occur in the mammalian reproductive tract and in the salivary glands of venomous reptiles. Most CRISPs can inhibit ion channels, such as the cyclic nucleotide-gated ion channel, potassium channel, and calcium channel. Natrin is a CRISP that has been purified from snake venom. Its(More)
A phospholipase A(2) purified from the venom of Naja kaouthia (Guangxi cobra) exhibits anticoagulant activities. The structures of two crystal forms were determined by X-ray crystallography at 2.8A resolution with the Naja naja (India cobra) PLA(2) as an initial model. The enzyme exhibits a trimer structure, which is similar to that of India cobra PLA(2).(More)
Previously, we demonstrated that follicle stimulating hormone (FSH) enhanced VEGF expression and facilitated ovarian cancer angiogenesis via the PI3K/AKT signaling pathway. In this study, we further investigated the involvement of microRNA-27a: ZBTB10‑specificity protein pathway in the mechanism of FSH-induced VEGF, Cox2(More)
An acidic PLA(2) (OH APLA(2)-II) from the venom of Ophiophagus hannah (king cobra) shows greater phospholipase A(2) activity and weaker cardiotoxic and myotoxic activity than a homologous acidic PLA(2) from the same venom. The crystal of the enzyme belongs to space group P6(3). The crystals are invariably hemihedrally twinned, exhibiting perfect 622 Laue(More)
An acidic phospholipase A(2) (OH APLA(2)-II) with an isoelectric point (pI) of 4.0 was recently isolated from Ophiophagus hannah (king cobra) from Guangxi province, China. Comparison of this enzyme to a previously reported homologous phospholipase A(2) from the same venom shows that it lacks toxicity and exhibits a greater phospholipase activity. OH(More)
beta-Nerve growth factor (beta-NGF) is a 118 amino acid residue polypeptide with an important role in the survival and development of certain neuronal populations. A beta-NGF purified from cobra venom was crystallized by the hanging-drop vapor diffusion method. The crystals belong to the tetragonal space group P4(1)2(1)2 (or its enantiomorph P4(3)2(1)2)(More)
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