|
|
免疫沉淀 |
酶活测定 |
Co-IP |
Pull down |
ChIP |
|
后期实验 |
Western blot |
酶活测定 |
沉淀的蛋白质复合物采用SDS-Page 跑胶,western blot鉴定预测作用蛋白Y,或样品利用质谱后续分析。 |
洗脱的复合物;同时进行GFP和第二标签的western blot 实验。 |
交联反应逆转,DNA纯化,DNA鉴定(如用QPCR 或者chip实验),同普通CHIP 实验 |
|
nano trap替代的产品 |
GFP单克隆/多克隆抗体+Protein A/G琼脂糖微珠 |
GFP单克隆/多克隆抗体+Protein A/G琼脂糖微珠 |
GFP单克隆或多克隆抗体+Protein A/G琼脂糖微珠 |
GST 标签蛋白的亲和层析柱或琼脂糖微珠 |
GFP单克隆或多克隆抗体+Protein A/G琼脂糖微珠 |
|
目的 |
弱GFP蛋白样品的富集;或后期实验 |
可以用beads直接测定酶活 |
蛋白-蛋白相互作用,一般验证体内的蛋白互作 |
蛋白-蛋白相互作用,一般验证体外的蛋白互作 |
蛋白-DNA相互作用 |


|
|
传统IP |
GFP-Trap用于IP |
传统Co-IP |
GFP-Trap用于Co-IP |
|
|
A |
B |
C |
D |
|
实验原理 |
抗体与细胞裂解液或上清中相应蛋白结合后,再与蛋白A/G(ProteinA/G)或二抗偶联的agarose珠子孵育,得到蛋白复合物,洗脱蛋白。 |
细胞裂解液或上清中的GFP融合蛋白与GFP-Trap孵育,得到蛋白复合物,洗脱蛋白。 |
细胞非变性条件下裂解,完整胞内存在的许多蛋白质-蛋白质间的相互作用被保留。如果用蛋白质X的抗体免疫沉淀X,与X在体内结合的蛋白质Y也能沉淀下来。结合的实验原理同A/B | |
|
目的 |
得到纯化的蛋白或进行后期实验 |
同A |
研究蛋白质相互作用 | |
|
后期实验 |
洗脱的蛋白采用SDS-Page 跑胶,采用GFP 抗体western blot进行鉴定。 |
沉淀的蛋白质复合物采用SDS-Page 跑胶,western blot 鉴定,也可利用质谱进行后续分析。 | ||
|
时间 |
长,超过一天 |
短,30min |
同A |
同B |
|
步骤 |
多,超过20个步骤 |
少,仅需6个步骤 |
同A |
同B |
|
特异性 |
普通抗体特异性不高 |
羊驼抗体,特异性高 |
同A |
同B |
|
使用产品 |
可选用特异性抗体 或GFP单克隆或多克隆抗体+Protein A/G琼脂糖微珠 |
GFP抗体-琼脂糖珠子,RFP-Trap,GST-Trap,Dnmt1-Trap |
同A |
同B |
|
适用性 |
通用方法,适合面宽 |
有GFP,RFP,GST,Dnmt1-Trap等4个品种的标签蛋白Trap 可选 |
同A |
同B |
|
产物 |
纯度不高 |
纯度高,对比见下左图 |
|
|


|
|
品牌 |
货号 |
品名 |
规格 |
价格 |
|
GFP-Trap? |
Chromo tek |
gta-10 |
GFP-Trap?, coupled to agarose |
10 rxns |
2000 |
|
Chromo tek |
gta-20 |
GFP-Trap?, coupled to agarose |
20 rxns |
6700 | |
|
Chromo tek |
gta-100 |
GFP-Trap?, coupled to agarose |
100 rxns |
27090 | |
|
Chromo tek |
gta-200 |
GFP-Trap? coupled to agarose |
200 rxns |
48240 | |
|
Chromo tek |
gta-400 |
GFP-Trap? coupled to agarose |
400 rxns |
84330 | |
|
Chromo tek |
gtak-20 |
GFP-Trap? coupled to agarose kit |
20 rxns |
8400 | |
|
Chromo tek |
gtm-20 |
GFP-Trap? coupled to magnetic beads |
20 rxns |
6700 | |
|
Chromo tek |
gtm-100 |
GFP-Trap? coupled to magnetic beads |
100 rxns |
27090 | |
|
Chromo tek |
gtm-200 |
GFP-Trap? coupled to magnetic beads |
200 rxns |
5360 | |
|
Chromo tek |
gtp-96 |
GFP-multiTrap?, black 96 well plate |
1 pc |
4100 | |
|
Chromo tek |
gtp-96 |
GFP-multiTrap?, black 96 well plate |
5 pc |
15600 | |
|
Chromo tek |
gtm-400 |
GFP-Trap? coupled to magnetic beads |
400 rxns |
84330 | |
|
Chromo tek |
gtmk-20 |
GFP-Trap? coupled to magnetic beads kit |
20 rxns |
8400 | |
|
Chromo tek |
gt-250 |
GFP-Trap? free protein |
250 μg |
4500 | |
|
RFP-Trap? |
Chromo tek |
rta 10 |
RFP-Trap?, coupled to agarose |
10rxns |
2000 |
|
Chromo tek |
rta 20 |
RFP-Trap?, coupled to agarose |
20rxns |
6700 | |
|
Chromo tek |
rta 100 |
RFP-Trap?, coupled to agarose |
100 rxns |
27090 | |
|
Chromo tek |
rta200 |
RFP-Trap?, coupled to agarose |
200rxns |
5360 | |
|
Chromo tek |
rta 400 |
RFP-Trap?, coupled to agarose |
400rxns |
84330 | |
|
Chromo tek |
rtak-20 |
RFP-Trap?, coupled to agarose, |
20 rxns |
8400 | |
|
Chromo tek |
rt-250 |
RFP-Trap?, free protein |
250 μg |
4500 | |
|
GST-Trap |
Chromo tek |
stm-10 |
GST-Trap?, coupled to magnetic beads |
10 rxns |
2000 |
|
Chromo tek |
stm-20 |
GST-Trap?, coupled to magnetic beads |
20 rxns |
6700 | |
|
Chromo tek |
stm-100 |
GST-Trap?, coupled to magnetic beads |
100 rxns |
27090 | |
|
Chromo tek |
stm-200 |
GST-Trap?, coupled to magnetic beads |
200 rxns |
48240 | |
|
Chromo tek |
stm-400 |
GST-Trap?, coupled to magnetic beads |
400 rxns |
84330 | |
|
Chromo tek |
stmk-20 |
GST-Trap?, coupled to magnetic beads, kit |
20 rxns |
8400 | |
|
Chromo tek |
st-250 |
GST-Trap?, free protein |
250 μg |
4500 | |
|
Dnmt1-Trap |
Chromo tek |
dta-10 |
Dnmt1-Trap, coupled to agarose |
10 rxns |
2000 |
|
Chromo tek |
dta-20 |
Dnmt1-Trap, coupled to agarose |
20 rxns |
6700 | |
|
Chromo tek |
dta-100 |
Dnmt1-Trap, coupled to agarose |
100 rxns |
27090 | |
|
Chromo tek |
dta-200 |
Dnmt1-Trap, coupled to agarose |
200 rxns |
48240 | |
|
Chromo tek |
dta-400 |
Dnmt1-Trap, coupled to agarose |
400 rxns |
84330 | |
|
Chromo tek |
dtak-20 |
Dnmt1-Trap, coupled to agarose, kit |
20rxns |
8400 | |
|
Chromo tek |
dt-250 |
Dnmt1-Trap,freeprotein |
250μg |
4500 | |
|
Binding Controls |
Chromo tek |
bab-20 |
Blocked agarose beads (binding control) |
500 μl (20 rxns) |
1500 |
|
Chromo tek |
bmp-20 |
Blocked magnetic particles ( binding control) |
500 μ l ( 20 rxns) |
1500 |




|
|
|
货号 |
品名 |
规格 |
价格 |
|
GFP-Booster |
Chromo tek |
gba488-TS |
GFP-Booster_atto488-TS |
50 μg |
2500 |
|
Chromo tek |
gba488 |
GFP-Booster_atto488 |
100 μg |
5400 | |
|
Chromo tek |
gba-647N |
GFP-Booster-Atto 647N |
100 μg |
询价 | |
|
Chromo tek |
gbdl-650-TS |
GFP-Booster- Atto 647N |
50 μg |
询价 | |
|
Chromo tek |
gba-594 |
GFP-Booster-Atto 594 |
100 μg |
询价 | |
|
RFP-Booster |
Chromo tek |
rba594-TS |
RFP Booster atto594 TS |
50u g |
2500 |
|
Chromo tek |
rba594 |
RFP-Booster_atto594 |
100 μg |
5400 | |
|
Chromo tek |
rbdl-650-TS |
RFP-Booster- Atto 650ts |
50 μg |
询价 | |
|
Chromo tek |
rba-700 |
RFP-Booster-Atto 700 |
100 μg |
询价 | |
|
Chromo tek |
rba-488 |
RFP-Booster-Atto 488 |
100 μg |
询价 |


|
货号 |
Chromo tek |
品名 |
规格 |
价格 |
|
dcg |
Chromo tek |
Dnmt1-Chromobody?plasmid,αDnmt1-GFP |
20μg |
14900 |
|
dcr |
Chromo tek |
Dnmt1-Chromobody?plasmid,αDnmt1-RFP |
20μg |
14900 |
|
ccg |
Chromo tek |
Cell Cycle Chromobody? plasmid αPCNA GFP |
20 μg |
14900 |
|
ccr |
Chromo tek |
Cell Cycle Chromobody? plasmid PCNA RFP |
20 μg |
14900 |
|
lcg |
Chromo tek |
Lamin Chromobody? plasmid, αLamin-GFP |
20 μg |
14900 |
|
lcr |
Chromo tek |
Lamin Chromobody? plasmid, αLamin-RFP |
20 μg |
14900 |
|
acg |
Chromo tek |
Actin Chromobody? plasmid, αActin-GFP |
20 μg |
14900 |
|
acr |
Chromo tek |
Actin Chromobody? plasmid, αActin-RFP |
20 μg |
14900 |
|
货号 |
品牌 |
品名 |
规格 |
价格 |
|
3f5 |
Chromo tek |
RFP antibody mouse monoclonal |
100 μg |
3900 |
|
5f8 |
Chromo tek |
RFP antibody rat monoclonal |
100 μg |
3900 |
|
3h9 |
Chromo tek |
GFP antibody, rat monoclonal |
100 μg |
3900 |
|
货号 |
品牌 |
品名 |
规格 |
价格 |
|
6g9 |
Chromo tek |
GST antibody, rat monoclonal |
100 μ l |
3900 |
|
6f7 |
Chromo tek |
FLAG antibody, rat monoclonal |
100 μg |
3900 |
|
9E1 |
Chromo tek |
c-Myc antibody, rat monoclonal |
100 μg |
3900 |
|
7c9 |
Chromo tek |
HA antibody, rat monoclonal |
100 μg |
3900 |
|
货号 |
品牌 |
品名 |
规格 |
价格 |
|
2e8 |
Chromo tek |
Dnmt1antibody,ratmonoclonal |
500μl |
4900 |
|
2e8ts |
Chromo tek |
Dnmt1antibody,ratmonoclonal |
125μl |
2000 |
|
16d10 |
Chromo tek |
PCNA antibody rat monoclonal |
100 μg |
4900 |
|
16d10ts |
Chromo tek |
PCNA antibody rat monoclonal |
25 μg |
2000 |
|
4b8 |
Chromo tek |
Ago1 antibody, rat monoclonal |
100 μg |
5400 |
|
4b8ts |
Chromo tek |
Ago1 antibody, rat monoclonal |
25 μg |
2000 |
|
11a9 |
Chromo tek |
Ago2 antibody, rat monoclonal |
100 μg |
5400 |
|
11a9ts |
Chromo tek |
Ago2 antibody, rat monoclonal |
25 μg |
2000 |
|
1c7 |
Chromo tek |
RNA Pol II CTD, unphosphorylated CTD |
5 ml |
5400 |
|
1c7ts |
Chromo tek |
RNA Pol II CTD, unphosphorylated CTD |
1 ml |
2000 |
|
3d12 |
Chromo tek |
RNA Pol II CTD, phos. Tyrosine 1 |
5 ml |
5400 |
|
3d12ts |
Chromo tek |
RNA Pol II CTD, phos. Tyrosine 1 |
1 ml |
2000 |
|
3e10 |
Chromo tek |
RNA Pol II CTD, phos. Serine 2 |
5 ml |
5400 |
|
3e10ts |
Chromo tek |
RNA Pol II CTD, phos. Serine 2 |
1 ml |
2000 |
|
6d7 |
Chromo tek |
RNA Pol II CTD, phos. Threonine 4 |
5 ml |
5400 |
|
6d7ts |
Chromo tek |
RNA Pol II CTD, phos. Threonine 4 |
1 ml |
2000 |
|
3e8 |
Chromo tek |
RNA Pol II CTD, phos. Serine 5 |
5 ml |
5400 |
|
3e8ts |
Chromo tek |
RNA Pol II CTD, phos. Serine 5 |
1 ml |
2000 |
|
4e12 |
Chromo tek |
RNA Pol II CTD, phos. Serine 7 |
5 ml |
5400 |
|
4e12ts |
Chromo tek |
RNA Pol II CTD, phos. Serine 7 |
1 ml |
2000 |