PreparationofConventionalActinfromSkeletalMuscle
Modified from Spudich & Watt, 1971, JBC 246:4866.1. Mix 20 ml buffer G with each gm of muscle acetone powder. Extract with stirring on ice for 30 min. Use a big stir bar or overhead stirrer. Buffer G: 0.2 mM ATP, 0.5 mM DTT, 0.2 mM CaCl2, 2 mM Tris/HCl, pH 8.0 @ 25°. Stock1 l4 l2 mM Tris/HCl, pH 8 @ 25°1M2 ml8 ml0.2 mM ATP0.1 M2 ml8 ml0.5 mM DTTdry77 mg308 mg0.2 mM CaCl21 M0.2 ml0.8 ml 2. Centrifuge at ......阅读全文
NEB基因编码功能及结构描述
这一基因编码了一个巨大的蛋白骨架，它与骨骼肌肉瘤中的细丝共存。在大多数脊椎动物中，星云蛋白占肌原纤维总蛋白的3-4%。编码的蛋白质含有约30个氨基酸长模块，可分为7种类型和其他重复模块。蛋白质异构体的大小在600-800kd之间变化，这是由于具有组织、物种和发育阶段特异性的选择性剪接在nebulin
NEB基因突变与药物因子介绍
这一基因编码了一个巨大的蛋白骨架，它与骨骼肌肉瘤中的细丝共存。在大多数脊椎动物中，星云蛋白占肌原纤维总蛋白的3-4%。编码的蛋白质含有约30个氨基酸长模块，可分为7种类型和其他重复模块。蛋白质异构体的大小在600-800kd之间变化，这是由于具有组织、物种和发育阶段特异性的选择性剪接在nebulin
Polyclonal－Antibody－Production
实验概要Very useful for rapid and simple generation of antibodies for western blots, ELISA assays, and immunoprecipitation.实验步骤Rabbit Immunization Initial
Lambda－DNA－Preparation
Lambda DNA PreparationThis is a plate method that gives very good yield for cloning. I have combined the Promega and Maniatis protocols.Solutions T-TY
PREPARATION－OF－MICROINJECTION－PIPETTES
INJECTION AND HOLDING PIPETTESThe glass capillary tubing used should be thin walled, borosilicate glass without a fibre.e.g. Clark Electromedical Inst
Preparation－of－Agar－plates
Prepare media and add 1.5 agar before autoclaving it (15g per liter). After autoclavation, cool the media in a 55 degree waterbath. Do not allow the s
Preparation－of－human－platelets
Preparation of human platelets 1. Human blood was taken from drug-free volunteers on the day of the experiment using acidic citrate dextrose
CELL－MEMBRANE－PREPARATION
I. Solutions: A. Ca and Mg free Phosphate Buffered Saline (PBS) solution, buffered with 0.02M Hepes. pH=7.4 B. Ca and Mg free PBS, buffered with
Metaphase－chromosome－preparation
Materials: RPMI 1640 medium fetal calf serum (FCS), 20% Colcemid (e.g. Boehringer Mannheim cell biology reagents, Best.-Nr. 295892) cell cuture flask
Preparation－of－Mouse－Neutrophils
实验步骤Mice：8-16 weeks old malePrewarm buffer to room temperatureBuffer A : Ca2 /Mg2 ‐free Hank’s buffered saline solution [HBSS; Invitrogen, Grand Isla
Competent－Cell－Preparation
实验概要Competent cells are those that possess more easily altered cell walls that DNA can be passed through easily. These cells readily incorporate f
Plasma－and－Serum－Preparation
实验概要Serum is the liquid fraction of whole blood that is collected after the blood is allowed to clot. The clot is removed by centrifugation and the
Preparation－of－Mouse－Neutrophils
实验概要Preparation of Mouse Neutrophils实验步骤Mice：8-16 weeks old malePrewarm buffer to room temperatureBuffer A : Ca2 /Mg2 ‐free Hank’s buffered saline so
Rat－Liver－Preparation
实验概要The procedure presented below describes a method for preparing rat liver.主要试剂1. Aluminum Foil2. Liquid Nitrogen3. Dry Ice4. Ph
Preparation－of－Polyacrylamide－Gels
1. Prepare 20X TBE as:216 g Tris Base110 g Boric Acid80 mL 500 mM EDTA, pH 8.0700 mL ddH2OMix. Bring volume to 1 L. Autoclave.2. Prepare Acrylamide so
HELPER－PHAGE－PREPARATION
HELPER PHAGE PREPARATION1. Grow an overnight of NM522 in NZCYM medium.2. Dilute overnight 1:100 and grow to an A600 = 0.3 (@2.5 x 108 cells/ml).3. Inf
DGK－Membrane－Preparation
Reagents:Bacterial strainE. coli N4830/pJW10LB amp media50 µg/ml ampicillinHigh salt bufferfor 1 L50 mM KH2PO4 6.8 g150 mM KCl 11.18 g50 mM sodium pyr
PREPARATION－OF－SEQUENCING－GELS
MATERIALS:2-glass plates1 sharks -tooth comb and spacersWhatman 3 mm paper30 or 40% acrylamide-bis (19:1)10X TBEurea10% ammonium persulfateTEMED60 cc.
Preparation－of－Phage－Lysates
Preparation of Phage LysatesInoculate 5 ml of lambda-broth in a glass culture tube with a single colony of an appropriate host strain of E. coli. Incu
CASQ2基因突变与药物因子介绍
这个基因编码的蛋白质指定了钙固蛋白家族的心肌家族成员Calsequestrin定位于心肌和慢骨骼肌细胞的肌浆网这种蛋白质是一种钙结合蛋白，为肌肉功能储存钙该基因突变导致应激诱导的多形性室性心动过速，也被称为儿茶酚胺能多形性室性心动过速2（cpvt2），一种以双向室性心动过速为特征的疾病，可导致心脏骤
CASQ2基因编码功能及结构描述
这个基因编码的蛋白质指定了钙固蛋白家族的心肌家族成员Calsequestrin定位于心肌和慢骨骼肌细胞的肌浆网这种蛋白质是一种钙结合蛋白，为肌肉功能储存钙该基因突变导致应激诱导的多形性室性心动过速，也被称为儿茶酚胺能多形性室性心动过速2（cpvt2），一种以双向室性心动过速为特征的疾病，可导致心脏骤
CALD1基因编码功能及结构描述
该基因编码一种钙调素和肌动蛋白结合蛋白，在平滑肌和非肌肉收缩的调节中起重要作用该蛋白的保守结构域具有与钙钙调素、肌动蛋白、原肌球蛋白、肌球蛋白和磷脂的结合活性。该蛋白是肌动蛋白原肌球蛋白激活的肌球蛋白mgatp酶的有效抑制剂，是钙依赖性抑制平滑肌收缩的中介因子该基因的选择性剪接导致编码不同亚型的多个
CALD1基因突变与药物因子介绍
该基因编码一种钙调素和肌动蛋白结合蛋白，在平滑肌和非肌肉收缩的调节中起重要作用该蛋白的保守结构域具有与钙钙调素、肌动蛋白、原肌球蛋白、肌球蛋白和磷脂的结合活性。该蛋白是肌动蛋白原肌球蛋白激活的肌球蛋白mgatp酶的有效抑制剂，是钙依赖性抑制平滑肌收缩的中介因子该基因的选择性剪接导致编码不同亚型的多个
BrdU－Labeling－Protocol
实验概要The thymidine analog, 5-bromo-2-deoxyuridine (BrdU),is a common reagent used for cell proliferation assays and for the detection of apoptotic
PCR－from－Tissue
collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOHput in boiling H2O for 30 sec (optimum may ne
PCR－from－Tissue
collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOHput in boiling H2 O for 30 sec (optimum may n
PCR－from－Tissue
1.collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOH 2.put in boiling H2O for 30 sec (optimum
Barretts－esophageal－epithelial－and－fibroblast－primary－cultures
1. Biopsy specimens for tissue culture were immediately placed on ice in primary cell culture system. 2. Within 4 hours from the time of the biopsy, t
Isolation－and－characterization－of－rat－glomerular－endothelial－cells
Glomerular endothelial cells (GECs) from the kidney are in close juxtaposition to other cell types, such as mesangial cells, and may respond to as