1、双向电泳实验流程双向电泳实验流程 样品制备(Sample preparation) 固相预制胶条的水化(IPG strip rehydration) 第一向等电聚焦(IEF) 胶条的平衡(IPG strip equilibration) 第二向SDS-PAGE电泳(SDS-PAGE electrophresis) 凝胶的染色及检测(Detection/Staining) PDQuest软件分析(Software analysis) 质谱鉴定(Protein identification)目录第一章 实验材料11 IPG预制胶条及载体两性电解质12 蛋白质定量试剂盒及其试剂13 蛋白样品制备试剂
2、盒及其试剂14 化学试剂15 蛋白质Marker16 染色试剂17 注意事项第二章SDS-PAGE聚丙烯酰胺凝胶电泳2. 1 溶液的配制2. 2 SDS-PAGE凝胶的配制2. 3 操作方法2. 4 注意事项第三章双向电泳3. 1 溶液配制3. 2 操作步骤3. 3 注意事项附录1 双向电泳完整的操作步骤附录2聚丙烯酰胺凝胶电泳凝胶的配置附录3细胞样品的一般处理步骤附录4组织样品的一般处理步骤第一章 实验材料11 IPG预制胶条及载体两性电解质(一)IPG预制胶条(美国Bio-Rad公司),-20冰箱保存,每包12根项目 规格 货号 原价(元)IPG预制胶条 pH 3-10, 7 cm 163
3、-2000 799IPG预制胶条 pH 3-10, 7 cm ,nonlinear(NL) 163-2002 799IPG预制胶条 pH 4-7, 7 cm 163-2001 799IPG预制胶条 pH 3-6, 7 cm 163-2003 799IPG预制胶条 pH 5-8, 7 cm 163-2004 799IPG预制胶条 pH 7-10, 7 cm 163-2005 799IPG预制胶条 pH 3.9-5.1, 7cm 163-2028 799IPG预制胶条 pH 4.7-5.9, 7cm 163-2029 799IPG预制胶条 pH 5.5-6.7, 7cm 163-2030 799I
4、PG预制胶条 pH 6.3-8.3, 7cm 163-2031 799IPG预制胶条 pH 3-10, 11cm 163-2014 957IPG预制胶条 pH 3-10, 11cm,nonlinear(NL) 163-2016 957IPG预制胶条 pH 4-7, 11cm 163-2015 957IPG预制胶条 pH 3-6, 11cm 163-2017 957IPG预制胶条 pH 5-8, 11cm 163-2018 957IPG预制胶条 pH 7-10, 11cm 163-2019 957IPG预制胶条 pH 3.9-5.1, 11cm 163-2024 957IPG预制胶条 pH 4.
5、7-5.9, 11cm 163-2025 957IPG预制胶条 pH 5.5-6.7, 11cm 163-2026 957IPG预制胶条 pH 6.3-8.3, 11cm 163-2027 957IPG预制胶条 pH 3-10, 17cm 163-2007 1079IPG预制胶条 pH 3-10, 17 cm,nonlinear(NL) 163-2009 1079IPG预制胶条 pH 4-7, 17cm 163-2008 1079IPG预制胶条 pH 3-6, 17cm 163-2010 1079IPG预制胶条 pH 5-8, 17cm 163-2011 1079IPG预制胶条 pH 7-10
6、, 17cm 163-2012 1079IPG预制胶条 pH 3.9-5.1, 17cm 163-2020 1079IPG预制胶条 pH 4.7-5.9, 17cm 163-2021 1079IPG预制胶条 pH 5.5-6.7, 17cm 163-2022 1079IPG预制胶条 pH 6.3-8.3, 17cm 163-2023 1079IPG预制胶条 pH 3-10, 18cm 163-2032 1079IPG预制胶条 pH 3-10, 18cm,nonlinear(NL) 163-2033 1079IPG预制胶条 pH 4-7, 18cm 163-2034 1079IPG预制胶条 pH
7、 3-6, 18cm 163-2035 1079IPG预制胶条 pH 5-8, 18cm 163-2036 1079IPG预制胶条 pH 7-10, 18cm 163-2037 1079IPG预制胶条 pH 3.9-5.1, 18cm 163-2038 1079IPG预制胶条 pH 4.7-5.9, 18cm 163-2039 1079IPG预制胶条 pH 5.5-6.7, 18cm 163-2040 1079IPG预制胶条 pH 6.3-8.3, 18cm 163-2041 1079IPG预制胶条 pH 3-10, 24cm 163-2042 1292IPG预制胶条 pH 3-10, 24c
8、m,nonlinear(NL) 163-2043 1292IPG预制胶条 pH 4-7, 24cm 163-2044 1292IPG预制胶条 pH 3-6, 24cm 163-2045 1292IPG预制胶条 pH 5-8, 24cm 163-2046 1292IPG预制胶条 pH 7-10, 24cm 163-2047 1292IPG预制胶条 pH 3.9-5.1, 24cm 163-2048 1292IPG预制胶条 pH 4.7-5.9, 24cm 163-2049 1292IPG预制胶条 pH 5.5-6.7, 24cm 163-2050 1292IPG预制胶条 pH 6.3-8.3,
9、24cm 163-2051 1292(二)载体两性电解质(美国Bio-Rad公司),4冰箱保存项目 货号 原价(元)Bio-Lyte 3/10 Ampholyte,40%,10ml 163-1112 1704Bio-Lyte 3/10 Ampholyte,40%,25ml 163-1113 2463Bio-Lyte 3/5 Ampholyte,20%,10ml 163-1132 3275Bio-Lyte 4/6 Ampholyte,40%,10ml 163-1142 3713Bio-Lyte 4/6 Ampholyte,40%,25ml 163-1143 9287Bio-Lyte 5/7 Am
10、pholyte,40%,10ml 163-1152 2984Bio-Lyte 5/7 Ampholyte,40%,25ml 163-1153 7540Bio-Lyte 6/8 Ampholyte,40%,10ml 163-1162 3569Bio-Lyte 6/8 Ampholyte,40%,25ml 163-1163 8187Bio-Lyte 7/9 Ampholyte,40%,10ml 163-1172 3479Bio-Lyte 8/10 Ampholyte,20%,10ml 163-1182 1912Bio-Lyte 5/8 Ampholyte,40%,10ml 163-1192 327
11、5Bio-Lyte 5/8 Ampholyte,40%,25ml 163-1193 8114(三)等电聚焦上样缓冲液(美国Bio-Rad公司),4冰箱保存项目 货号 原价(元)100ReadyStrip Buffer,for pH 7-10 IPG Strips,1ml 163-2093 744Bio-Lyte 3/10 Ampholyte,100,1ml 163-2094 396100ReadyStrip Buffer,for pH 6.8-8.3 IPG Strips,1ml 163-2095 566100ReadyStrip Buffer,for pH 5.5-6.7 IPG Strip
12、s,1ml 163-2096 774100ReadyStrip Buffer,for pH 4.7-5.9 IPG Strips,1ml 163-2097 545100ReadyStrip Buffer,for pH 3.5-5.1 IPG Strips,1ml 163-2098 59212 蛋白质定量试剂盒及其试剂项目 货号 报价(元)Protein Assay Kit,bovine -globulin standard 500-0001 919Protein Assay Kit,BSA standard 500-0002 919Protein Standard,bovine -globul
13、in,1 bottle 500-0005 429Protein Assay Dye Reagent Concentrate,450ml 500-0006 690Protein Standard,bovine serum albumin,1 bottle 500-0007 365Quick Start Protein Assay Kit,Bradford法 500-0201 934Dc Protein Assay Kit ,bovine -globulin standard 500-0111 2281Dc Protein Assay Kit ,BSA standard 500-0112 2281
14、RC DC Protein Assay Kit,-globulin ,Lowry法 500-0121 3183RC DC Protein Assay Kit,BSA standard ,Lowry法 500-0122 318313 蛋白样品制备试剂盒及其试剂项目 货号 原价(元)Ready-Prep 2-D Cleanup Kit 163-2130 2533ReadyPrep Sequential Extraction Kit 163-2100 2969Tributylphosphine(TBP),200mM,0.6ml 163-2101 539ReadyPrep Sequential Ext
15、raction Kit Reagent 1,1vial 163-2102 1116ReadyPrep Sequential Extraction Kit Reagent 2,1vial 163-2103 909ReadyPrep Sequential Extraction Kit Reagent 3,1vial 163-2104 646ReadyPrep 2-D Starter Kit 163-2105 3250ReadyPrep 2-D Starter Kit Rehydration/Sample Buffer 163-2106 331ReadyPrep Starter Kit Equili
16、bration Buffer,with DTT 163-2107 508ReadyPrep Starter Kit Equilibration Buffer 163-2108 498E.coli Protein Sample,lyophilized,2.7mg 163-2110 446ReadyPrep Overlay Agarose,50ml 163-2111 287ProteoMiner Protein Enrichment SmallCapacity Kit 163-3006 3699ProteoMiner Protein Enrichment Large-Capacity Kit 16
17、3-2007 5618Aurum Serum Protein Mini Kit 732-6701 1513Aurum Affi-Gel Blue Mini Columns 732-6708 1873ReadyPrep Protein Extraction Kit (Cytoplasmic/Nuclear) 163-2089 4919ReadyPrep Protein Extraction Kit (Membrane I) 163-2088 4919ReadyPrep Protein Extraction Kit (Membrane II) 163-2084 2986ReadyPrep Prot
18、ein Extraction Kit (Signal) 163-2087 281514 化学试剂项目 货号 原价(元)尿素Urea,250g 161-0730 222尿素Urea,1kg 161-0731 685AG 501-X8(D)Mixed Bed Resin 142-6425 2771CHAPS,1g 161-0460 390Triton X-100,500ml 161-0407 421DTT(Dithiothreitol),1g 161-0610 291DTT(Dithiothreitol),5g 161-0611 731Tributylphosphine(TBP),200mM,0.
19、6ml 163-2101 539碘乙酰胺Iodoacetamide,30g 163-2109 1429溴酚蓝(Bromophenol Blue),10g 161-0404 501矿物油(Mineral Oil),500ml 163-2129 298SDS,100g 161-0301 368SDS,1kg 161-0302 1991Tris,500g 161-0716 813Tris,1kg 161-0719 1151低熔点琼脂糖,25g 161-3111 1360甘氨酸,1kg 161-0718 713甘氨酸,2kg 161-0724 1671丙烯酰胺(Acrylamide),99.9%,50
20、0g 161-0101 919丙烯酰胺(Acrylamide),99.9%,2kg 161-0103 3411丙烯酰胺(Acrylamide),99.9%,1kg 161-0107 1870丙烯酰胺(Acrylamide),99.9%,5kg 161-0108 8514甲叉双丙烯酰胺(Bis),5g 161-0200 294PDA(Piperazine Diacrylamide),10g 161-0202 1902PDA(Piperazine Diacrylamide),50g 161-0203 17361过硫酸氨(Ammonium Persulfate),10g 161-0700 155过硫
21、酸氨(Ammonium Persulfate),100g 161-0754 1153TEMED,5ml 161-0800 207TEMED,50ml 161-0801 485甘油 Sigma硫尿 Sigma15 蛋白质标准品Marker项目 货号 原价(元)Unstained SDS-PAGE Standards,high range,200l 161-0303 689Unstained SDS-PAGE Standards,low range,200l 161-0304 689Unstained SDS-PAGE Standards,broad range,200l 161-0317 884
22、Polypeptide SDS-PAGE Standards,200l 161-0326 692Prestained SDS-PAGE Standards,high range,500l 161-0309 689Prestained SDS-PAGE Standards,low range,500l 161-0305 689Prestained SDS-PAGE Standards,broad range,500l 161-0318 800Precision Plus Std Unstained,1ml 161-0363 1168Precision Plus Std Dual Color,50
23、0ul 161-0374 10802-D SDS-PAGE Standards,500l 161-0320 1457IEF Standards,pI range 4.45-9.6,250l 161-0310 162116 染色试剂项目 货号 原价(元)Coomassie Brilliant Blue R-250,10g 161-0400 413Coomassie Brilliant Blue G-250,10g 161-0406 670Coomassie Brilliant Blue R-250 Staining Solutions Kit 161-0435 1440Coomassie Bri
24、lliant Blue R-250 Staining Solutions,1L 161-0436 464Coomassie Brilliant Blue R-250 Staining Solutions,41L 161-0437 1856Coomassie Brilliant Blue R-250 Destaining Solutions,1L 161-0438 488Coomassie Brilliant Blue R-250 Destaining Solutions,41L 161-0439 1952Bio-Safe Coomassie Stain,1L 161-0786 878Bio-S
25、afe Coomassie Stain,5L 161-0787 3493SYPRO Ruby Protein Gel Stain,200ml 170-3126 2226SYPRO Ruby Protein Gel Stain,1L 170-3125 5725SYPRO Ruby Protein Gel Stain,5L 170-3138 16744Silver Stain Kit 161-0443 3933Silver Stain Plus Kit (质谱兼容) 161-0449 285417 注意事项1.双向电泳中所用的化学试剂纯度要高,至少为分析级,尽量选用进口试剂。2.双向电泳中使用超纯
26、水。3.所有包含尿素的溶液加热温度不超过30,否则会发生蛋白氨甲酰化。详细订货信息请致电: -128广州誉维生物科技仪器有限公司Bio-Rad产品专员 唐佩君第二章 SDS-PAGE聚丙烯酰胺凝胶电泳2. 1 溶液的配制30% 聚丙烯酰胺贮液 丙烯酰胺 150g 甲叉双丙烯酰胺 4g 超纯水 500ml滤纸过滤后,棕色瓶4冰箱保存1.5mol/L Tris碱 pH8.8 Tris碱 90.75g 超纯水 400ml用1mol/L HCl调pH至8.8,加超纯水定容至500ml,4冰箱保存。0.5mol/L Tris碱 pH6.8 Tris碱 12g 超纯水 120ml用1mol/L HCl调p
27、H至6.8,加超纯水定容至200ml。4冰箱保存。10% SDS SDS 10g 超纯水 100ml混匀后,室温保存。10% Ap Ap 0.1g 超纯水 1ml(用时加水溶解)溶解后,4冰箱保存10电泳缓冲液(1= 25mM Tris,192mM glycine,0.1% SDS,pH8.3)Tris碱 30g甘氨酸 144gSDS 10g超纯水 1L 混匀后,室温保存2SDS-PAGE上样缓冲液0.5M pH6.8 Tris碱 2.0ml10% SDS 4.0ml甘油 2.0ml1% 溴酚蓝 0.05ml超纯水 定容至10mlDTT 0.154g(用时现加)2. 2 SDS-PAGE凝胶的配制参见附录12. 3 操作方法1. 将玻璃板洗净、晾干、固定。2. 按照实验要求,配制不同浓度的分离胶。将分离胶注入玻璃板夹层中,上部用超纯水、乙醇或水饱和正丁醇封面,保持胶面平整,待分离胶聚合后,配制浓缩胶。3. 配制好浓缩胶后,倒去分离胶表面的少量水分,然后灌入浓缩胶,插入点样梳。4. 将待分析鉴定的蛋白质样品,
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