Active S100 Calcium Binding Pr

钙结合蛋白calcium binding protein

广义的是指与钙离子进行特异结合的蛋白质之总称。与活体内钙的多种功能相应地有多种功能的蛋白质，可分别为以Ca 2 为活化因子的酶（血液凝固因子、各种蛋白酶、磷脂酶 A 2 和α - 淀粉酶等分解酶、膜的 Ca 2 运输 ATPase 、磷酸化酶 b 激酶）及无酶活性的两类，后者多称为狭义的钙结合蛋白，其中又分为：（ 1 ）与酶或细胞的机能调控有关的；（ 2 ）通过与 Ca 2 结合使游离的离子浓度降低，具有贮藏 Ca 的功能的。但也有功能未被测定的。肌宁蛋白 C 及调钙蛋白

Characterization of Calcium Channel Binding

Figure 1.25.1 (A ) Saturation binding of [3 H]PN200‐100 to L‐type calcium channels in mouse heart membrane preparation ( n = 2). (B ) Scatchard analysis of the specific binding data: K d = 54.9 pM and B max = 116.4 fmol/mg protein

Purification of the human TATA-Binding Protein, TBP

The TATA-binding protein TBP plays a central role in eukaryotic transcription initiation (1 , 2 ). TBP binds to the promoter consensus sequence TATAAA, located approx 30 nucleotides upstream of the transcriptional start site. Once bound, TBP