From: A silent H-bond can be mutationally activated for high-affinity interaction of BMP-2 and activin type IIB receptor
Receptor ectodomain proteins
BMP-2a (immobilized)
ActR-IIB
ActR-IIBL61A
ActR-IIBL61P
app. KD in Nm
   wildtype
2700
42000
76000
L100K/N102D
140
14000
160000
   Act-Ab
60
2000
180000