The core proteome of an organism counts such families as the equivalent of single genes, in order to get at the underlying variety.

ECONOMIST: Genomics

The core proteome of Drosophila turns out to have 8, 065 members.

ECONOMIST: Genomics

Yeast has a core proteome of only 4, 383 members.

ECONOMIST: Genomics

They made their discovery, just reported in the Journal of Proteome Research, by tapping into a long-term, continuing study that started in 1995 with 1, 077 non-demented and otherwise healthy people aged between 60 and 90.

ECONOMIST: Diagnosing dementia