Table 1. Table shows the percentage of proteins in each category in each cell membrane.

Table 1 represents the calculations reflected in Fig 1. HOS and POS are the non-metastatic human and canine cell lines and 143B and HMPOS are the metastatic human and canine cell lines respectively.

	HOS	143B	POS	HMPOS
Structure	63.48	56.68	49.11	56.01
Transport	3.41	2.46	14.82	6.59
Immune Complexes	15.69	11.09	2.26	0.62
G protein and GPCRs	6.74	18.3	10.99	13.02
Chaperones	1.6	1.47	3.61	5.89
Receptors	3.19	4.88	2.57	3.24
Enzymes	4.23	1.35	8.52	9.4
Others	1.66	3.77	8.11	5.24
Total	100	100	100	100