Table 2.

HOPPscore examples, scoring with k = 4 (φ−ψ) pairs

CASP model	Target Protein Data Bank	Residues	GDT-TS	HOPPscore model (φ−ψ)4	HOPPscore target (φ−ψ)4	Difference (φ−ψ)4	scop class
T0281TS109_1	1 whz: A	5–18, 25–60	31%	−0.79	0.89	1.00	α+β or α/β
T0281TS100_1		5–18, 25–66	82%	0.81	1.08	0.27
T0130TS001_1	1no5:A	7–101	55%	.35	1.35	1.00	α+β or α/β
T0130TS132_1		7–101	25%	0.64	0.98	0.34
T0137TS001_1	1o8v:A	70–129,2–29,35–58	86%	.09	1.02	.93	All β
T0137TS548_1		65–129, 2–58	14%	−3.04	0.99	4.03
T0073TS009_1	1g6u:A	2–44	82%	0.79	1.77	0.98	All α
T0073T155_1u		2–43	62%	0.23	1.85	1.57
T0083TS005_1	1dw9:A	3–62	30%	1.69	1.32	−0.37	All α
T0083TS009_1		3–72	10%	0.61	1.39	0.78

GDT-TS, a CASP measure of model quality; percentage of model Cα carbons within 2 Å of distances from target structure.