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ab41149 |
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Thanks for your kindly reply, after contacting with this customer and passed this information to him, he also wants to know the immunogen sequence of this antibody; could you please help this customer to solve the problem? Thanks for your kindly help |
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ANSWER: |
Thank you for your reply. This information is commercially sensitive. As Kate confirmed, the epitope of ab38973 is located in the largest loop of TIMP-2, loop #1. This is an internal epitope, in the first 1/3 of the protein, from the amino end. Here is the full length human TIMP-2 protein sequence (P16035): MGAAARTLRL ALGLLLLATL LRPADACSCS PVHPQQAFCN ADVVIRAKAV SEKEVDSGND IYGNPIKRIQ YEIKQIKMFK GPEKDIEFIY TAPSSAVCGV SLDVGGKKEY LIAGKAEGDG KMHITLCDFI VPWDTLSTTQ KKSLNHRYQM GCECKITRCP MIPCYISSPD ECLWMDWVTE KNINGHQAKF FACIKRSDGS CAWYRGAAPP KQEFLDIEDP Just let me know if I can be of further help. |
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Dear technical support: This customer raised an enquire about ab38973 (Anti-TIMP2 antibody - Loop 1), he wants to know whether “loop1” is means the same location with “N-terminal” or not? If not, could you please offer another suitable selection (anti N-terminal of TIMP2) to this customer? Thanks for your kindly help. Best regards |
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ANSWER: |
Thank you for your enquiry. I can confirm that the epitope of ab38973 is located in the largest loop in TIMP-2, loop #1. This is an internal epitope, in the first 1/3 of the protein, from the amino end. I hope this will be helpful to you. If you have any further questions, please do not hesitate to contact us. |
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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
All lanes : Anti-TIMP2 antibody - Loop 1 (ab38973) at 1/1000 dilution
Lane 1 : Human TIMP2
Lane 2 : Mouse TIMP2
Lane 3 : Cell media from human chondrosarcoma (untreated)
Predicted band size : 24 kDa
Observed band size : 22 kDa (why is the actual band size different from the predicted?)
Ab38973 staining Human placenter. Staining is localised to the cytoplasm.
Left panel: with primary antibody at 1 ug/ml. Right panel: isotype control.
Sections were stained using an automated system DAKO Autostainer Plus , at room temperature. Sections were rehydrated and antigen retrieved with the Dako 3-in-1 AR buffers EDTA pH 9.0 in a DAKO PT Link. Slides were peroxidase blocked in 3% H2O2 in methanol for 10 minutes. They were then blocked with Dako Protein block for 10 minutes (containing casein 0.25% in PBS) then incubated with primary antibody for 20 minutes and detected with Dako Envision Flex amplification kit for 30 minutes. Colorimetric detection was completed with diaminobenzidine for 5 minutes. Slides were counterstained with Haematoxylin and coverslipped under DePeX. Please note that for manual staining we recommend to optimize the primary antibody concentration and incubation time (overnight incubation), and amplification may be required.
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