| AARange | AARange abstract class for LiveSeq |
| Chain | DoubleChain DataStructure for Perl |
| ChainI | Double linked chain data structure |
| DNA | DNA object for LiveSeq |
| Exon | Range abstract class for LiveSeq |
| Gene | Range abstract class for LiveSeq |
| Intron | Range abstract class for LiveSeq |
| Mutation | Mutation event descriptor class |
| Mutator | Package mutating LiveSequences |
| Prim_Transcript | Prim_Transcript class for LiveSeq |
| Range | Range abstract class for LiveSeq |
| Repeat_Region | Repeat_Region class for LiveSeq |
| Repeat_Unit | Repeat_Unit class for LiveSeq |
| SeqI | Abstract sequence interface class for LiveSeq |
| Transcript | Transcript class for LiveSeq |
| Translation | Translation class for LiveSeq |