Secreted effector that suppresses host plant glucan elicitor-mediated defense responses (PubMed:12084830, PubMed:15545660). Targets host endoglucanase EGaseA and inhibits the EGaseA-mediated release of elicitor-active glucan oligosaccharides from P.sojae cell walls (PubMed:12084830, PubMed:15545660). Interacts with host endoglucanases EGaseA. Expressed during pathogen infection. Belongs to the peptidase S1 family. None of the predicted glucanase inhibitor proteins (GIPS) has an intact catalytic triad, therefore, GIPs are proteolytically inactive.