Predicted structure of the 89-kDa invasion-tip protein of Holospora obtusa, an endonuclear symbiont of Paramecium caudatum, suggests a pH-dependent conformational change
Yasuhiro Takenaka, Toshiyuki Murai, Toru Nakatsu, Yasushi Shigeri, Masahiro Fujishima
The paper predicts the structure of a 89-kDa invasion-tip protein from Holospora obtusa and suggests a pH-dependent conformational change may aid in escaping the host digestive vacuole.
bioRxiv · Oct 10, 2026 · PreprintMicrobiology