Indel PDB: A database of structural insertions and deletions derived from sequence alignments of closely related proteins

Table 1 Solvent accessibility of indel sites and indel proteins.

Minimal indel length	1	5	10	15	20
Indel – avg. solvent accessibility	59.53	60.36	60.03	58.46	60.50
indel protein – avg. solvent accessibility	44.68	43.52	43.46	42.05	42.80
T test value	168.20	130.52	73.96	45.96	34.83
P value	0	0	0	0	0

Solvent accessibility was measured by (the number of water molecules in contact with a residue) multiplied by 10 or (residue water exposed surface in Angstrom)², according to the DSSP program. The higher the solvent accessibility value, the more exposed the residue is.

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