生物大分子波谱学原理 吴季辉 HNCA F1=121.6ppm ⊙G47 G10® 层 L430 L736 K48 品 R74 N250 K110 1440 113同 8 T140 8 V26D. 9.0 8.5 8.0 7.5 F3(ppm) FIGURE 7.30 A selected F2(13C)-F3(HN)slice,at an F (I5N)chemical shift of 121.6 ppm,from an HNCA spectrum of i5N/13C-labeled ubiquitin. HNCA 生物大分子波谱学原理 吴季辉