TABLE 2.

Characteristics of the 32 independent plasmid insertion mutants

Mutant	Isolated from:	Size (kb) of insertion	No. of restriction enzyme sitesa in the insertion								Group
			B	D	EI	EV	H	K	P	S
Xc11-12	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc11-8	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc11-6	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc11-10	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc11-14	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc11-17	Xc11	1.2	0	0	0	0	1	0	0	1	I
Xc17-2	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc17-48	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc17-6	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc17-47	Xc17	1.2	0	0	0	0	1	0	0	1	I
		1.4	0	1	0	1	0	0	0	0
Xc17-49	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc17-51	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc17-3	Xc17	1.2	0	0	0	0	1	0	0	1	I
Xc11-1	Xc11	1.5	0	0	1	1	0	0	2	1	II
Xc11-2	Xc11	1.5	0	0	1	1	0	0	2	1	II
Xc11-13	Xc11	1.5	0	0	1	1	0	0	2	1	II
Xc17-13	Xc17	1.5	0	0	1	1	0	0	2	1	II
Xc17-15	Xc17	1.5	0	0	1	1	0	0	2	1	II
Xc17-25	Xc17	1.5	0	0	1	1	0	0	2	1	II
Xc17-14	Xc17	1.5	0	0	1	1	0	0	2	1	II
Xc17-7	Xc17	1.5	0	0	1	1	0	0	2	1	II
Xc11-25	Xc11	1.2	0	0	0	0	0	0	2	0	III
Xc17-27	Xc17	1.2	0	0	0	0	0	0	2	0	III
Xc17-5	Xc17	1.2	0	0	0	0	0	0	2	0	III
Xc17-4	Xc17	1.2	0	0	0	0	0	0	2	0	III
Xc11-7	Xc11	1.3	0	0	0	0	1	0	1	0	IV
Xc17-35	Xc17	1.3	0	0	0	0	1	0	1	0	IV
Xc11-5	Xc11	0.8	0	0	0	0	1	0	1	0
Xc17-17	Xc17	0.8	0	0	0	0	0	0	1	0
Xc11-15	Xc11	1.2	0	0	0	1	0	0	0	0
Xc11-11	Xc11	2.1	0	1	1	0	1	0	0	1
Xc17-1	Xc17	7.0	1	0	1	2	0	0	5	2

^aRestriction enzyme sites abbreviations: B, BamHI; D, DraI; EI, EcoRI; EV, EcoRV; H, HindIII; K, KpnI; P, PstI; S, SmaI.