Table 1.

P-values for structural patterns in protein loop structures using exact computations or the single sequence approximation (SSA) with offset or not.

Structural pattern	n	Exact	SSA (no offset)	SSA (offset = 3)
KYNH	16	1.62 × 10-2	5.95 × 10-1	8.43 × 10-2
PNKK	7	2.20 × 10-2	6.68 × 10-2	9.19 × 10-3
JLPQ	25	1.37 × 10-3	4.89 × 10-1	2.19 × 10-2
QYHB	110	1.71 × 10-3	9.46 × 10-1	2.59 × 10-3
ODZR	4	5.78 × 10-5	2.81 × 10-4	5.49 × 10-5
CPBQ	27	5.69 × 10-6	3.07 × 10-3	3.81 × 10-6
ZGBZ	50	3.45 × 10-7	4.84 × 10-2	9.71 × 10-6
BZOU	40	2.56 × 10-11	4.49 × 10-5	1.22 × 10-9
UOEI	52	5.74 × 10-16	1.96 × 10-10	2.30 × 10-17
EGZD	58	3.19 × 10-32	1.91 × 10-23	1.26 × 10-32
GIYC	149	1.05 × 10-41	1.06 × 10-30	3.85 × 10-51
DRPI	282	7.26 × 10-167	9.08 × 10-174	3.56 × 10-222