diff --git a/sidechain/src/vina_rotamer_constructor.cc b/sidechain/src/vina_rotamer_constructor.cc
index 9b7e441d097935122c86b2f966390c4baa02aa91..e5a170f39acc0ecd72c9b32d7094f04b93892a9c 100644
--- a/sidechain/src/vina_rotamer_constructor.cc
+++ b/sidechain/src/vina_rotamer_constructor.cc
@@ -123,16 +123,16 @@ struct VINARotamerParam : public RotamerLookupParam {
     particle_types_[promod3::loop::CYS_CA] = C_P_VINAParticle;
     particle_types_[promod3::loop::CYS_C] = C_P_VINAParticle;
     particle_types_[promod3::loop::CYS_O] = O_A_VINAParticle;
-    particle_types_[promod3::loop::CYS_CB] = C_VINAParticle;
+    particle_types_[promod3::loop::CYS_CB] = C_P_VINAParticle;
     particle_types_[promod3::loop::CYS_SG] = S_VINAParticle;
     particle_types_[promod3::loop::MET_N] = N_D_VINAParticle;
     particle_types_[promod3::loop::MET_CA] = C_P_VINAParticle;
     particle_types_[promod3::loop::MET_C] = C_P_VINAParticle;
     particle_types_[promod3::loop::MET_O] = O_A_VINAParticle;
     particle_types_[promod3::loop::MET_CB] = C_VINAParticle;
-    particle_types_[promod3::loop::MET_CG] = C_VINAParticle;
+    particle_types_[promod3::loop::MET_CG] = C_P_VINAParticle;
     particle_types_[promod3::loop::MET_SD] = S_VINAParticle;
-    particle_types_[promod3::loop::MET_CE] = C_VINAParticle;
+    particle_types_[promod3::loop::MET_CE] = C_P_VINAParticle;
     particle_types_[promod3::loop::TRP_N] = N_D_VINAParticle;
     particle_types_[promod3::loop::TRP_CA] = C_P_VINAParticle;
     particle_types_[promod3::loop::TRP_C] = C_P_VINAParticle;
@@ -165,7 +165,7 @@ struct VINARotamerParam : public RotamerLookupParam {
     particle_types_[promod3::loop::THR_O] = O_A_VINAParticle;
     particle_types_[promod3::loop::THR_CB] = C_P_VINAParticle;
     particle_types_[promod3::loop::THR_OG1] = O_AD_VINAParticle;
-    particle_types_[promod3::loop::THR_CG2]= C_P_VINAParticle;
+    particle_types_[promod3::loop::THR_CG2]= C_VINAParticle;
     particle_types_[promod3::loop::VAL_N] = N_D_VINAParticle;
     particle_types_[promod3::loop::VAL_CA] = C_P_VINAParticle;
     particle_types_[promod3::loop::VAL_C] = C_P_VINAParticle;