. 2002 Aug;11(8):1978–1983. doi: 10.1110/ps.4980102

Table 1.

Stabilization centers, in the core motif of type II restriction endonucleases

			Ratio of the core (%)		Total No. of SCs			No. of SCs in the core
Enzyme	Type	PDB	A	B	A	B	AB	A	B
BamHI	free	1bam	24.9		51			14
	DNA	1bhm	25.2	24	51	57		13	15
	DNA + Ca²⁺	2bam	24.1	23.9	54	60	1	15	15
	DNA + Mn²⁺	3bam	24.3	23.9	52	53	1	15	13
	DNA*	1esg	24.4	23.7	48	51	2	13	11
EcoRI	free	1qc9	21.6	21.6	31	31		11	11
	DNA	1eri	20.2		29			10
	DNA + Mn²⁺	1qps	21.1		40			12
FokI	free	2fok	9.5	9.5	85	85		15	17
	DNA	1fok	9.4		78			13
BglII	free	1es8	29.3		49			12
	DNA + Mg²⁺	1d2i	26.0	26.6	55	51	3	12	11
	DNA + Ca²⁺	1dfm	26.0	26.6	58	51	3	11	12
Cfr01	free	1cfr	20.1		60			11
EcoRV	free	1rve	29.5	29.5	43	45	10	25	28
	DNA	4rve	30.0	30.0	44	51	11	25	27
	DNA	1eoo	32.5	32.5	56	53	15	28	25
	DNA	1eop	30.4	29.9	46	47	9	20	30
	DNA	1bgb	34.4	33.3	52	48	11	27	25
	DNA	1rva	29.5	29.5	56	55	15	29	30
	DNA + Mg²⁺	1rvb	29.5	29.5	54	53	17	27	31
	DNA + Mg²⁺	1rve	29.5	29.5	53	53	19	29	29
	DNA + Ca²⁺	1az0	34.4	33.6	54	50	14	26	27
	DNA + Ca²⁺	1b94	29.5	29.5	60	49	13	29	27
	DNA*	2rve	34.4	34.6	57	48	10	30	25
PvuII	free	1pvu	38.9	38.9	31	25	12	5	5
	DNA	1eyu	38.5	39.2	28	32	10	7	7
	DNA	1pvi	38.9	38.9	19	24	3	3	4
	DNA	3pvi	38.9	38.9	25	23	10	3	3
	DNA + Ca²⁺	1f0o	38.9	39.5	26	32	2	5	8
BglI	DNA + Ca²⁺	1dmu	28.3		61			25

A and B stand for the subunits. AB designates stabilization centers between two subunits. If the enzyme is in monomer form, all SCs are listed for the A subunit. DNA* means complex with nonspecific substrate.