In the sentence extracted from biomedical literature, identify all the disease entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="disease"> to denote a disease.

### Input Text: Partial sequences of the 1A1 - 3B B - box protein pseudogene and IFP 35 , an interferon induced leucine zipper protein , reside within the contig .
### Output Text:
Partial sequences of the 1A1 - 3B B - box protein pseudogene and IFP 35 , an interferon induced leucine zipper protein , reside within the contig . 