*举例：乳酸脱氢酶LDH1~LDH) HH HH H M MM H M MM MM LDH LDH2 LDH; LDHA LDH5 (H) (H:M) (H2M2) (HM;) (M) 乳酸脱氢酶的同工酶H H H H H H H M H H M M H M M M M M M M LDH1 (H4 ) LDH2 (H3M) LDH3 (H2M2 ) LDH4 (HM3 ) LDH5 (M4 ) 乳酸脱氢酶的同工酶 * 举例：乳酸脱氢酶(LDH1 ～LDH5 )