Fig 9.35 IgM planar conformation IgM 'staple'conformation 3g9e8aan海0dFt2ihn图
米 C ! 1gC抗体 识别阶段 把聪
1 、识别阶段
C)C1 ACTIVATION AND FUNCTION FORMATION OF C1 ESTERASE 2、 2 IgG,IgM,C1---> c1 活化阶段 CASCADE STEP #1: C4 C1> C4a C4b c2 C1- C2a+C2b
2、活化阶段
Fig 9.37 Aollvated Cle clorves 4 a binda C2h与 C4oc4ad6C4布 cleaved by cla ta C2n le covalatly banded to dC2然omge 首emkcroblal surface C4N 2b complox C生 Micrcbiel sulec
D)FORMATION AND FUNCTION OF C3 CONVERTASE C4b C2b 一> C4b2b C4b2b C3 Convertase CASCADE STEP #2: C3--C4b2b--> C3a+C3b C3b TARGET--->C3b-TARGET TARGET OPSONIZED:C'FUNCTION#1