(eavy chain( gho) O Composed of about 500 aa, oligosaccharide(+) ② Class heavy chain immunoglobulin(gigA, IgG, IgM igD, IgE (2Cght chain l) ①② Composed of about 214 aa, oligosaccharide(-) ype: K, 1 T
(1)Heavy chain (H): ① Composed of about 500 aa, oligosaccharide(+) ② Class : heavy chain , , , , . immunoglobulin(Ig) IgA, IgG, IgM IgD, IgE (2) Lght chain (L): ① Composed of about 214 aa, oligosaccharide(-) ② Type: ,
IgG molecule light chain Fab light chain disulfide bond heavy chain heavy chain 感 carbohydrates Fc
2 variable and constant regions Disulfide bond Carbohydrate C H3 Hinge region
2 Variable (V) and Constant (C) regions
(1) 7eq10 ① N-termina 12L+14(1/5)H; lysozyme light chain heavy chain CDR DR eavy chain, variable domai variable domain VL. VH light chain, heavy chain, constant domain constant domain
(1) V region ① N-terminal 1/2L+1/4(1/5)H; VL, VH
2) Constant region (c-terminal 1/2L+3/4(4/5)H) Antigen binding Hinge cHI Biological 261 activity CH2 321 CH3 (CH4) 425
(2) Constant region (C-terminal 1/2L+3/4(4/5)H) CL CH1 CH2 CH3 (CH4)