7CH5 Unmatched Contacts: 5 - L SER 30 OG VS R ASN 501 ND2 Distance: 3.795952976526447 - Hydrogen Bonds, 7CH5_brazil_mut Unmatched Contacts: 18 - L SER 67 OG VS R TYR 501 OH Distance: 3.4241836983433003 - Hydrogen Bonds,