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Mapping 250K/500K SNP assay

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46 GeneChip ® <strong>Mapping</strong> <strong>500K</strong> Assay Manual<br />

Stage 2: Restriction Enzyme Digestion<br />

ABOUT THIS STAGE<br />

During this stage, the genomic DNA is digested by one of two<br />

restriction enzymes: Nsp I or Sty I. You will prepare the Digestion<br />

Master Mix, then add it to the samples. The samples are then placed<br />

onto a thermal cycler and the <strong>500K</strong> Digest program is run.<br />

LOCATION AND DURATION<br />

• Pre-PCR Clean Area<br />

• Hands-on time: 30 minutes<br />

• <strong>500K</strong> Digest thermal cycler program time: 2.3 hours<br />

INPUT REQUIRED FROM PREVIOUS STAGE<br />

The input required from Stage 1: Genomic DNA Plate Preparation is:<br />

Quantity Item<br />

1 Plate, 96-well Genomic DNA prepared as instructed in the previous<br />

stage (5 µL at 50 ng/µL in each well).<br />

Keep in a cooling chamber on ice.<br />

EQUIPMENT AND CONSUMABLES REQUIRED<br />

The following equipment and consumables are required for this stage.<br />

Refer to Appendix A, Reagents, Equipment, and Consumables Required for<br />

96-Well Plate Protocol for vendor and part number information.<br />

** Use only the PCR plate, adhesive film and thermal cyclers listed<br />

in Table 4.1 on page 40.

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