【文章內(nèi)容簡(jiǎn)介】
ce metabolites are circled, and the measured product (PDO) is boxed by a solid line. Measured amino acids are also boxed by solid lines and their direct carbon sources are indicated by dotted arrows. Some metabolites (in dotted squares) appear more than once to make the figure more readable. Panel (B) shows the plete set of alternatives for the two partial measurements (22 binations in total) required in addition to the suggested core measurements. Only amino acid pairs connected with a line are valid measurement choices. [Color figure can be seen in the online version of this article, available at .] SER 0 000100 010 0011011 101 11021113nnnim t nmm cc c cmmc c cmcm?? ???? ????????????????????????The fractional labeling of each fragment was calculated 氨基酸衍生物碎片 質(zhì)量同位素豐度信息 m0 m1 m2 m3 m4 m5