Table 2.

The value of RD for the T–O–R relationship and the value of the K parameter, which determines the influence of a nonaqueous environment on protein folding, are given. The RD values for the M–O–T relationship are also shown, indicating the effect of approximating the M distribution to the O distribution at the reference T distribution. For the selected proteins, a set of parameters was given for the distinguished structural parts, including, in particular, beta-barrels.

PDB-ID	Protein Characteristics	RD T – O – R	K	RD M – O – T	Length (aa)
HIGH RESISTANCE
2LHF	protein H (OprH)	0.472	0.2	0.404	178
β-barrel		0.603	0.4	0.377	74
2JMM	pr. A (OmpA)–modif.	0.472	0.3	0.386	156
β-barrel		0.461	0.2	0.486	84
DIFFERENT EXTERNAL CONDITIONS
6QWR	Oil transport–lipid	0.556	0.4	0.384	211
β-barrel	AlkL	0.537	0.4	0.166	110
Loops		0.599	0.7	0.213	101
6QAM		0.575	0.5	0.365	211
β-barrel	Oil transport–detergent	0.582	0.4	0.415	75
Loops	AlkL	0.676	1.2	0.318	136
HIGHER DIAMETER BARREL
1QJP		0.558	0.4	0.382	137
β-barrel		0.643	0.6	0.349	107
6FSU		0.664	0.9	0.310	388
β-barrel		0.718	0.9	0.281	197
4K3C		0.699	1.2	0.291	532
β-barrel		0.726	1.3	0.273	195
4N75		0.727	1.2	0.261	379
β-barrel		0.743	1.3	0.255	191
DIFFERENT RESISTANCE
4RL9	Small mol. transport	0.745	1.2	0.239	205
β-barrel		0.818	1.1	0.180	76
β-sheet		0.736	1.2	0.262	46
Helix		0.448	0.5	0.448	19
4RLB	Small mol. Transport	0.741	1.3	0.245	213
β-barrel		0.801	1.1	0.196	78
β-sheet		0.806	1.8	0.193	97
Helix		0.651	1.8	0.348	21
4RLC	Small mol. Transport	0.503	0.3	0.409	135
β-barrel		0.503	0.3	0.409	135
AUTOTRANSPORTER
3AEH	autotransporter	0.707	1.3	0.289	277
β-barrel		0.644	0.7	0.336	234
2QOM	autotransporter	0.696	1.4	0.298	265
β-barrel		0.641	0.8	0.346	186
EFFLUX PUMP
5AZO	efflux pump	0.825	1.6	0.169	444
Helices		0.788	1.2	0.206	314
β-sheet		0.837	1.5	0.154	57