6533b882fe1ef96bd12db51c

RESEARCH PRODUCT

Additional file 1 of The Wnt-specific astacin proteinase HAS-7 restricts head organizer formation in Hydra

Berenice ZieglerIrene YiallourosBenjamin TrageserSumit KumarMoritz MerckerSvenja KlingMaike FathUwe WarnkenMartina SchnölzerThomas W. HolsteinMarkus HartlAnna Marciniak-czochraJörg StetefeldWalter StöckerSuat ÖZbek

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Additional file 1: Fig. S1. Ion exchange chromatogram of hydra head lysate pool. (a) 7 fractions of 0.5 ml exceeding an absorption unit threshold of 0.175 were collected as indicated. The cut-off was chosen to provide a critical total protein concentration (> 80 μg) for the subsequent proteome analysis. (b) Peak fractions from (a) were re-screened for HyWnt3-His processing activity. A fragment of Hydra cadherin extracellular domain comprising the first two N-terminal cadherin repeats (HmCadherin1-2) was used as control substrate to monitor unspecific matrix metalloproteinase activity. Accordingly, fractions 4-5 were pooled and analyzed by mass spectrometry as HyWnt3-His(+) sample, fractions 6-7 as HyWnt3-His(-) sample.

https://dx.doi.org/10.6084/m9.figshare.14759406