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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2018 Nov 12;30(3):448–458. doi: 10.1007/s13361-018-2093-9

Table 4.

DL-Amino profile of MRSAa.

Concentration (mM) ± SEb
l-AAs d-AAs %d/l
Gly 15.3 ± 0.4
Ala 67.2 ± 1.7 18.5 ± 0.3 28
Ser 15.1 ± 0.3 1.26 ± 0.03 8.3
Pro 128.9 ± 1.3 1.42 ± 0.03 1.1
Val 34.3 ± 0.5 0.51 ± 0.03 1.5
Thr 14.9 ± 0.4 ND
Ile 20.1 ± 0.3 0.46 ± 0.03 2.3
Leu 22.8 ± 0.1 0.56 ± 0.02 2.5
Asn 0.61 ± 0.02 ND
Asp 40 ± 4 3.93 ± 0.08 10
Gln 24.3 ± 0.5 ND
Glu 119 ± 3 25.2 ± 0.3 21
Met 21.3 ± 0.2 0.29 ± 0.01 1.4
His (Bis) 2.74 ± 0.11 0.28 ± 0.03 10
Phe 17.6 ± 0.2 0.218 ± 0.004 1.2
Arg 6.79 ± 0.13 0.16 ± 0.02 2.4
Tyr (Bis) 14.1 ± 0.9 2.93 ± 0.06 21
Trp 0.198 ± 0.005 ND
Lys (Bis) 14.4 ± 0.1 ND
Cys2 0.045 ± 0.003 ND
a

Intracellular concentration determined from measured analyte quantity as described previously [34, 36].

b

SE = Standard error, ND = Not detected (< 0.1 mM).