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Table 1 GO categories listed for domain families with statistically significant bias (p-value < 0.01) with respect to increasing, decreasing and stable individual spacers.

From: Long-term trends in evolution of indels in protein sequences

Decreasing

Stable

Increasing

GO annotation

P-value

6 (9.8)

47 (64.9)

38 (16.3)

transferase activity, transferring glycosyl groups

0.0000

12 (11.2)

52 (74.2)

40 (18.7)

replicative cell aging

0.0000

25 (11.7)

58 (77.7)

26 (19.6)

endoplasmic reticulum membrane

0.0000

24 (20.6)

112 (136.9)

56 (34.5)

positive regulation of cell proliferation

0.0001

0 (11.7)

93 (77.7)

16 (19.6)

ubiquitin cycle

0.0005

14 (32.1)

231 (213.2)

54 (53.7)

membrane fraction

0.0029

5 (8.6)

70 (57.1)

5 (14.4)

chemotaxis

0.0052

0 (8.9)

66 (59.2)

17 (14.9)

ubiquitin-dependent protein catabolism

0.0068

4 (13.5)

91 (89.9)

31 (22.6)

mitosis

0.0074

30 (33.5)

205 (222.5)

77 (56)

transcription

0.0082

2 (8.2)

66 (54.2)

8 (13.6)

protein folding

0.0084

4 (14.9)

111 (99.1)

24 (25)

G-protein coupled receptor protein signaling pathway

0.0089

  1. First three columns show the observed and expected number (in parentheses) of decreasing, stable and increasing spacers for different GO categories. Categories, contributing more than 2/3 of the χ2 value due to excess (in bold) or shortage (in italic) of observed families are highlighted. The last column lists p-value of Pearson χ2-test.