Table 1. Tropomyosin period 2 and period 3 cluster and period shift mutants.^* .

	d	e	f	g	a	b	c	d	e	f	g	a	b	c	d	e	f	g	a	b	c	d	e	f
	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69
P2 wildtype	L	q	K	k	l	k	G	t	E	d	e	l	D	K	y	s	E	a	l	k	D	a	q	e
P2Shift															a				A			a
Proposed			K										E	K			D
Consensus			or				NP		E				or	or			or				NP
Residues			R										D	R			E

^*Residues in capitals are in proposed consensus actin binding positions [13]. Residues in capitals and italics are consensus acting binding residues. Residues in lower case and italics are at the interface at the Ala cluster positions [8]. See Figure 1 to correlate with the structure.