>9pzu_H mol:protein length:277 Heavy chain of GluN1-specific monoclonal Fab fragment, termed 5F11MVSAIVLYVLLAAAAHSAFAQGQMQQSGAELVKPGASVKLSCKTSGFSFSTSYINWLKQKPGQSLEWIAWIYAGTDGTSYNQKFTDKAQLTVDTSSSTAYMQFSSLTTDDSAIYYCAREGIYYGNYAGFTYWGQGTLVTVSAAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKLVPRGSAAAAGTGSGGGDYKDHDGDYKDHDIDYKDDDDK