# PDB file  example.pdb
# Target chain : I
# Interacting chains : E
# Cut-off for surface: 5.0 Percentage 
# Cut-off for interface 1.0 Angstrom^2
#
ITF      1 - 1 I LYS      8   175.80    87.50
ITF      2 - 1 I SER      9    57.52    49.40
ITF      3 - 0 I PHE     10     5.63     2.80
ITF      4 - 1 I PRO     11    78.15    57.40
   :
   :
ITF     60 - 0 I PRO     67     4.48     3.30
ITF     61 + 1 I HIS     68   113.49    62.10
ITF     62 + 1 I VAL     69    21.95    14.50
ITF     63 + 1 I GLY     70    15.49    19.30
#
# Interface resdieue		=       17
# Interface ALL			=  4227.36
# Interface BSA			=   814.13
# Interface Polar BSA		=   252.37
# Interface Non-Polar BSA	=   561.76
# Interface Polarity		=    31.00
#
# chain I and resid 40 41 42 43 44 45 46 47 48 49 53 55 65 66 68 69 70 

The text file of the data contains nine columns:

1. record name "ITF"
2. record number
3. interface residue;  + ... interface, − ... non interface
4. surface residue; 1 ... surface, 0 ... non surface
5. residue name
6. residue number
7. absolute solvent accessibility (SA; calculated by NACCESS)
8. relative solvent accessibility (rSA; calculated by NACCESS)