C-terminal half of gelsolin soaked in low calcium at pH 8

Calcium ion exchange in crystalline gelsolin

Actin-depolymerizing factor, ADF, Brevin, AGEL

MDDDGTGQKQIWRIEGSNKVPVDPATYGQFYGGDSYIILYNYRHGGRQGQIIYNWQGAQSTQDEVAASAILTAQLDEELG
GTPVQSRVVQGKEPAHLMSLFGGKPMIIYKGGTSREGGQTAPASTRLFQVRANSAGATRAVEVLPKAGALNSNDAFVLKT
PSAAYLWVGTGASEAEKTGAQELLRVLRAQPVQVAEGSEPDGFWEALGGKAAYRTSPRLKDKKMDAHPPRLFACSNKIGR
FVIEEVPGELMQEDLATDDVMLLDTWDQVFVWVGKDSQEEEKTEALTSAKRYIETDPANRDRRTPITVVKQGFEPPSFVG
WFLGWDDDYWSVDPLDRAMAELAA

PEG 8000, pH 4.5, micro batch under oil, temperature 277K

The same protein soaked in low calcium at pH 4.5

The same protein soaked in EGTA at pH 4.5

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS

The biological unit is a monomer. There are 3 biological units in the asymmetric unit (chains A, B and C)