Table 1. Repeating amino acid motifs appearing in fp-1 of various mussel species (family Mytilidae), including several species of the genus Mytilus.

Species	Amino acid repeat sequence														Reference
Mytilus edulis	A	K	P	S	Y	P	P	T	Y	K					[19]
M. galloprovincialis	A	K	P	S	Y	P	P	T	Y	K					[58]
Perna perna *		K	P	S	Y	P	P	T							[57]
M. californianus	P	K	I	S	Y	P	P	T	Y	K					[65]
M. coruscus	P	K	I/P	S/T	Y	P	P	T/S	Y	K					[59]
Choromytilus chorus	A	K	P	S	Y	P	T	G	Y	K	P	P	V	K	[56]
P. viridis	A	T	P	K	P	W	T	A	W	K					[66]
	A	P	P	P	A	W	T	A	W	K
P. canaliculus											P	Y	V	K	[60]
Aulacomya ater								A	G	Y	G	G	V	K	[56]
Trichomya hirsuta										S	Y	Y	P	K	[60]
Modiolus modiolus									S	S	Y	Y	P	K	[60]

*Perna perna fp-1 is an incomplete sequence and is only assumed to be a repeating motif. Underlined residues have been reported to be post-translationally modified.