_ stats: contacts=5 Nring=0 specif=-1.00 _ PDBs: 1:6fqq_E,2:6fqp_B, _ -lnE: 1:7.7,2:7.0, _ 1 2 0176 N NCNC 0179 K ITIC 0180 E NANA 0183 E RGRG 0184 K RGRG