- A list of documents that match the set term restrictions and their variations. Patterns use automatic methods that seek written evidence of facts in the text (generally represented by combinations of word(s), for example: term 1-verb-term2, as Protein 1 inhibits protein 2. Within the InterPro resource a pattern is defined as a regular expression that describes a short sequence motif with a specific biological function. In the context of gene expression, a pattern is a consistent gene expression trend associated with a particular biological process or function. For example tumors can be characterised by highly distinctive pattern of gene expression that can be used to distinguish the different tumor types.