Analysis of heregulin symmetry by weighted evolutionary tracing.


Heregulins are members of the protein family of EGF-like growth and differentiation factors. The primary cell-surface targets of heregulins are heterodimers of the EGF-receptor homolog HER2 with either HER3 or HER4. We used a weighted evolutionary trace analysis to identify structural features that distinguish the EGF-like domain (hrg) of heregulins from… (More)


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