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Table 1 A list of the sand rat genes that encode the most aberrantly divergent sand rat proteins ordered by ranking, whether these genes are in GC-rich regions, dSws value and a short description of the function of their encoded protein

From: Divergent genes in gerbils: prevalence, relation to GC-biased substitution, and phenotypic relevance

Rank

Gene

GC-rich region

Sand rat dSws value

Encoded protein

1

Pdx1

Yes

20.09

Pancreatic duodenal homeobox. Transcription factor involved in pancreas development and β-cell function.

2

Medag

Yes

3.09

Mesenteric estrogen dependent adipogenesis. Involved in adipocyte differentiation and glucose uptake.

3

Pex11g

Yes

4.58

Peroxisomal membrane protein. Involved in growth and division of peroxisomes (organelles partaking in lipid biosynthesis).

4

Tex45

Yes

1.48

Testis-expressed protein. Understudied gene expressed in testis.

5

Cblc

No

0.60

E3 ubiquitin-protein ligase. Involved in protein degradation; down-regulates receptor-tyrosine kinase (RTK) signaling.

6

Insr

Yes

7.08

Insulin receptor. RTK receptor involved in insulin signaling and stimulation of glucose uptake.

7

Trappc5

Yes

34.40

Trafficking protein particle complex subunit. Implicated in vesicular transport from ER to Golgi.

8

Pan3

Yes

10.66

Subunit of PAN2-PAN3 deadenylase complex. Trims poly(A) tail prior to degradation.

9

B3glct

Yes

2.29

Beta 3-glucosyltransferase. Transfers glucose onto fucose on TSR repeat proteins.

10

Spp1

No

0.22

Secreted phosphoprotein 1 or osteopontin. Implicated in bone mineralization, immune system, and diet-induced insulin resistance.