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Table 2 3'/5' ratios of Housekeeping genes (internal control genes, QC2) given as average ± standard deviation.

From: Comparison of target labeling methods for use with Affymetrix GeneChips

Internal Control Genes

3'/5' Signal Ratios (Average ± SD)

Probe ID

Gene

Length Transcript (bases)

Affy

Enzo

Invitro

AFFX-HUMGAPDH/M33197

GAPDH

1169

1.5 ± 0.2

1.1 ± 0.2

1.5 ± 0.3

AFFX-HSAC07/X00351

beta-Actin

1688

1.6 ± 0.2

1.5 ± 0.2

1.2 ± 0.1

AFFX-HUMRGE/M10098

18S rRNA

1795

0.9 ± 0.2

1.0 ± 0.2

0.8 ± 0.1

AFFX-M27830

28S rRNA

1816

0.03 ± 0.01*

0.02*

0*

AFFX-HUMISGF3A/M97935

ISGF3

2639

4.2 ± 1.8

3.0 ± 0.3

1.5 ± 0.1

  1. * 3' signal called absent