>d1iixb1 b.1.1.2 (B:231-341) Immunoglobulin (constant domains of L and H chains) {Fc (human) IgG1 class} apellggpsvflfppkpkdtlmisrtpevtcvvvdvshedpqvkfnwyvdgvqvhnaktk preqqynstyrvvsvltvlhqnwldgkeykckvsnkalpapiektiskakg