Table 3.

Gene Ontology Analysis Comparing Variable and Invariant Microsatellites in Regions within 1 kb Upstream of Transcription Start Sites.

Gene Ontology Categorya	Number of Genes with Variable Microsatellites in Category	Number of Genes with Variable Microsatellites in at Least One Other Category	Number of Genes with Invariant Microsatellites in Category	Number of Genes with Invariant Microsatellites in at Least One Other Category	Fold Enrichment Among Variable Microsatellites	P Value
IPR000276: Rhodopsin-like GPCR superfamily	22	222	391	7,601	1.93	0.0047
g-protein-coupled receptor	25	232	443	7,810	1.90	0.0029
GO:0001584 – rhodopsin-like receptor activity	23	220	431	7,344	1.78	0.0092
GO:0004888 – transmembrane receptor activity	36	220	705	7,344	1.70	0.0017
Receptor	40	232	839	7,810	1.60	0.0027
GO:0004872 – receptor activity	48	220	1,013	7,344	1.58	0.0011
GO:0004871 – signal transducer activity	58	220	1,246	7,344	1.55	0.0004

^aOnly one representative of redundant functional categories that included exactly the same genes is listed. Only categories with P < 0.01 are shown. Total number of queried genes with annotation was 407; the number of background genes with annotation was 9,186.