Table 1 Determination of chiral amino acids in 9030617O03Rik (+/+) and (−/−) mouse hearts by two-dimensional high-performance liquid chromatography (2D-HPLC).

From: D-Glutamate is metabolized in the heart mitochondria

 

L-analogue

D-analogue

+/+

−/−

+/+

−/−

His

896.2 ± 67.1

920.1 ± 106.9

nd

nd

Asn

899.6 ± 97.2

1059.9 ± 246.4

nd

nd

Ser

1572.8 ± 142.8

1272.6 ± 380.4

10.2 ± 2.6

4.2 ± 0.8

Gln

6673.3 ± 224.2

6934.9 ± 354.7

nd

nd

Arg

1440.4 ± 78.5

1082.2 ± 76.7

4.95 ± 1.1

nd

Asp

5618.5 ± 286.0

6216.7 ± 252.3

19.7 ± 0.8

15.2 ± 0.9

Gly

2123.2 ± 26.5

2010.0 ± 81.8

allo-Thr

nd

nd

nd

nd

Glu

26193.9 ± 1296.6

25835.5 ± 1027.8

31.0 ± 1.3

187.3 ± 11.5 *

Thr

1523.2 ± 83.4

1181.8 ± 137.7

nd

nd

Ala

10048.3 ± 603.1

10119.0 ± 630.2

10.2 ± 1.8

3.5 ± 0.4

Pro

460.5 ± 44.4

319.8 ± 25.9

9.0 ± 1.3

5.2 ± 0.9

Met

296.3 ± 25.1

239.9 ± 18.5

nd

nd

Val

759.6 ± 81.2

663.6 ± 16.1

nd

nd

allo-Ile

nd

nd

nd

nd

Ile

263.3 ± 22.1

234.5 ± 13.3

nd

nd

Leu

652.0 ± 48.3

529.4 ± 1.6

3.3 ± 1.0

nd

Phe

346.0 ± 19.5

298.5 ± 16.6

nd

nd

Trp

74.8 ± 23.9

44.7 ± 4.7

nd

nd

Lys

1464.7 ± 119.7

1334.9 ± 161.6

nd

nd

Cys

nd

nd

nd

nd

Tyr

475.2 ± 58.8

355.4 ± 40.0

nd

nd

  1. Values are the mean ± S.D. expressed as nmol/g of tissue, obtained by 2D-HPLC analysis from three mice of 13 weeks old, respectively. In addition, “nd” indicates amino acid peaks that were not detected. *p < 0.01.