Table 1.

Mass spectrometry analysis of purified coatomer extracted from the band of native PAGE

Subunit	Molecular mass (kDa)	Unique peptide (n)	Coverage (%)
α-COP	139	108	77.5
β-COP	107	84	68.5
β′-COP	102	64	74.2
γ-COP	98	69	74.6
δ-COP	57	33	54.2
ε-COP	34	22	83.4
ζ-COP	20	6	37.9