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Table 1 Functional Categories that Contain the Largest Percentages of Genes

From: A functional profile of gene expression in ARPE-19 cells

Categories with ≥ 4% of genes represented on the chip

Categories with ≥ 0.5% of genes expressed by ARPE

Functional Category

Percentage*

Functional Category

Percentage 1

Percentage 2

Cell Sur face Receptors

9.6

Binding Proteins

4.2

12.3

Receptors

9.6

Cell Surface Receptors

2.3

6.8

Binding Proteins

9.6

Receptors

2.3

6.8

Kinase

5.4

Kinase

2.0

5.9

Signal transduction

5.4

Hydrolase

1.9

5.7

Transport (Metabolism)

5.1

Transport

1.9

5.6

Transport

5.1

Transport (Metabolism)

1.8

5.6

Transcription Factor

4.8

Signal transduction

1.7

4.9

Channels/Transport Proteins

4.2

Metabolism (signal transduction)

1.6

4.9

Hydrolase

4.3

Metabolism

1.6

4.7

  1. * number of genes in a given category that are represented on the chip/ total number of genes represented on the chip
  2. 1 number of genes in a given category that are expressed by ARPE/ total number of genes represented on the chip
  3. 2 number of genes in a given functional category that are expressed by ARPE/ total number of genes expressed