Research Article

Integration of Residue Attributes for Sequence Diversity Characterization of Terpenoid Enzymes

Table 1

Top 50 ranked indices. Descriptions of the top 50 indices by ranking of the VIM scores prior to nested RF. The first column represents the AAindex access ID, while the second is the corresponding BPP. Please refer to the amino acid index database in the Supplementary Material available online at http://dx.doi.org/10.1155/2014/753428 for the references in column 2.

ā€‰ ID Property

1 RADA880101 Information value for accessibility; average fraction 35% (Biou et al., 1988)
2 ROSM880101 Information value for accessibility; average fraction 23% (Biou et al., 1988)
3 KIDA850101 Retention coefficient in TFA (Browne et al., 1982)
4 EISD840101 Normalized hydrophobicity scales for alpha + beta-proteins (Cid et al., 1992)
5 JACR890101 Normalized hydrophobicity scales for alpha/beta-proteins (Cid et al., 1992)
6 COWR900101 Consensus normalized hydrophobicity scale (Eisenberg, 1984)
7 BLAS910101 Direction of hydrophobic moment (Eisenberg-McLachlan, 1986)
8 MEEJ810101 Hydrophobic parameter pi (Fauchere-Pliska, 1983)
9 CIDH920104 Number of hydrogen bond donors (Fauchere et al., 1988)
10 GRAR740102 Number of full nonbonding orbitals (Fauchere et al., 1988)
11 ZIMJ680103 Polarity (Grantham, 1974) [13]
12 MEEJ810102 Hydration number (Hopfinger, 1971), Cited by Charton-Charton (1982)
13 RADA880104 Hydropathy index (Kyte-Doolittle, 1982)
14 KUHL950101 Hydrophobic parameter (Levitt, 1976)
15 FAUJ880110 Conformational preference for parallel beta-strands (Lifson-Sander, 1979)
16 RADA880107 Average surrounding hydrophobicity (Manavalan-Ponnuswamy, 1978)
17 WARP780101 Retention coefficient in NaClO4 (Meek-Rossetti, 1981)
18 BIOV880102 Retention coefficient in NaH2PO4 (Meek-Rossetti, 1981)
19 BIOV880101 8 A contact number (Nishikawa-Ooi, 1980)
20 FASG890101 Partition coefficient (Pliska et al., 1981)
21 PONP800108 Average number of surrounding residues (Ponnuswamy et al., 1980)
22 FAUJ830101 Hydrophobicity (Prabhakaran, 1990)
23 CORJ870101 Weights for beta-sheet at the window position of 2 (Qian-Sejnowski, 1988)
24 MANP780101 Transfer-free energy from chx to wat (Radzicka-Wolfenden, 1988)
25 LIFS790102 Transfer-free energy from chx to oct (Radzicka-Wolfenden, 1988)
26 GUOD860101 Energy transfer from out to in (95% buried) (Radzicka-Wolfenden, 1988)
27 WOLS870101 Mean polarity (Radzicka-Wolfenden, 1988)
28 WOLR790101 Side chain hydropathy, uncorrected for solvation (Roseman, 1988)
29 LEVM760101 Side chain hydropathy, corrected for solvation (Roseman, 1988)
30 WOLR810101 Normalized frequency of chain reversal D (Tanaka-Scheraga, 1977)
31 ROSM880102 Average interactions per side chain atom (Warme-Morgan, 1978)
32 WOEC730101 Polar requirement (Woese, 1973)
33 PLIV810101 Hydration potential (Wolfenden et al., 1981)
34 RADA880108 Principal property value z1 (Wold et al., 1987)
35 FAUJ880109 Polarity (Zimmerman et al., 1968)
36 HOPA770101 Free energies of transfer of AcWl-X-LL peptides from bilayer interface to water (Wimley-White, 1996)
37 CIDH920103 Hydropathy scale based on self-information values in the two-state model (9% accessibility) (Naderi-Manesh et al., 2001)
38 TANS770106 Hydropathy scale based on self-information values in the two-state model (16% accessibility) (Naderi-Manesh et al., 2001)
39 PRAM900101 Hydrophilicity scale (Kuhn et al., 1995)
40 ENGD860101 Retention coefficient at pH 2 (Guo et al., 1986)
41 BROC820101 Modified Kyte-Doolittle hydrophobicity scale (Juretic et al., 1998)
42 NADH010103 Knowledge-based membrane-propensity scale from 1D_Helix in MPtopo databases (Punta-Maritan, 2003)
43 NADH010102 Hydrophobicity index (Wolfenden et al., 1979)
44 KYTJ820101 Hydrophobicity-related index (Kidera et al., 1985)
45 EISD860103 Weights from the IFH scale (Jacobs-White, 1989)
46 NISK800101 Hydrophobicity index, 3.0 pH (Cowan-Whittaker, 1990)
47 JURD980101 Scaled side chain hydrophobicity values (Black-Mould, 1991)
48 WIMW960101 NNEIG index (Cornette et al., 1987)
49 QIAN880122 Hydrophobicity index (Engelman et al., 1986)
50 PUNT030101 Hydrophobicity index (Fasman, 1989)