Pro-peptide

Exon

	1	2	3	4	5	6	7
Amino Terminal End ⇒	Single Peptide, prepro leader sequence	Gla domain		EGF1 ^	EGF2 ^^	Activation peptide	Catalytic domain	⇐ Carboxy Terminal End

^ - Epidermal growth factor 1

^^ - Epidermal growth factor 2

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