Table 3.

Summary of GO enriched clusters in groups of genes sorted by expression level in blastocysts

Cluster #	Expression level
	High	Medium high	Medium	Medium low	Low
1	Ribosome	Lumen	Lumen	Lumen	DNA repair/Stress response
2	Oxidative Phosphorylation	Cytoskeleton	Chromosome structure	Zinc finger PHD	Zinc/ion binding
3	Ubiquitination	Protein catabolism	Protein complexes	Transcriptional regulation	Protein catabolism
4	Spliceosome	Chromosome structure	Mitochondrial subunits	Mitochondrial matrix	Protein transport
5	RNA binding	Nucleic acid binding	Nucleic acid binding/Phospho-rylation	Ankyrin repeats	tRNA aminoacylation
6	Electron transport	Ubiquitination	Endoplasmic reticulum	Protein/nucleotide interactions	Zinc finger CH2
7	Protein localization	Protein complex synthesis	Cell cycle	Microtubules	Cell death
8	Protein biosynthesis	Cell cycle	Cellular membranes	Mitochondrial membranes	DNA repair/Polymerase
9	Ribosomal subunits	Mitochondrial components	Ankyrin repeats	Phosphorylation	Suppression of differentiation
10	Protein folding	RNA splicing	tRNA	Zinc finger CH2	Nucleic acid binding