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We are sorry, (ab196539) is unavailable
Abcam is committed to meeting the highest quality standards with its products. After evaluation, using HEK 293 knockout cell lines, the unconjugated version of this product (ab53287) was shown not to react specifically with the target protein and has therefore been discontinued. You can find this data on our downloadable datasheet of ab53287..
We regret any inconvenience caused.