| Name | Description | Type | Package | Framework |
| AsaCalculator | Class to calculate Accessible Surface Areas based on the rolling ball algorithm by Shrake and Rupley. | Class | org.biojava.nbio.structure.asa | BioJava |
| GroupAsa | A class to store the results of ASA calculations, it can hold ASA values per atom present in Group | Class | org.biojava.nbio.structure.asa | BioJava |