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Isotope Labeled Amino Acids

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M+1: Ala, Asn, Asp, Cys, Gln, Glu, Gly, Ile, Leu, Met, Phe, Pro, Ser, Thr, Trp, Tyr, Val
M+2: Asn, Gln, Gly, Lys, Trp
M+3: Ala, Gly, His, Leu
M+4: Ala, Ser
M+5: Asp, Thr
M+6: Asn, Glu, Met, Pro, Val
M+7: Gln, Ile, Leu, N-Me-Val
M+8:Lys, Phe, Val
M+9: His
M+10: Arg, Leu, Phe
M+13: Trp

No.	Name	MW.	Mass Shift	Structure
1	H-Ala-OH-1-¹³C	90.9	M+1
2	H-Ala-OH-¹⁵N	90.9	M+1
3	H-Ala-OH-2-¹³C	90.9	M+1
4	H-Ala-OH-2,3,3,3-d₄	93.12	M+4
5	H-Ala-OH-¹³C₃	92.7	M+3
6	H-Ala-OH-3-¹³C	90.09	M+1
7	H-Ala-OH-¹³C₃,¹⁵N	93.06	M+4
8	H-Ala-OH-3,3,3-d₃	92.11	M+3
9	H-Arg-OH-¹³C6,¹⁵N₄	184.13	M+10
10	H-Asn-OH-¹⁵N₂	134.11	M+2
11	H-Asn-OH-¹³C4,¹⁵N₂	138.07	M+6
12	H-Asn-OH-amine-¹⁵N	133.11	M+1
13	H-Asp-OH-1-¹³C	134.1	M+1
14	H-Asp-OH-¹⁵N	134.1	M+1
15	H-Asp-OH-2-¹³C	134.1	M+1
16	H-Asp-OH-4-¹³C	134.1	M+1
17	H-Asp-OH-¹³C4,¹⁵N	138.07	M+5
18	H-Cys-OH-¹⁵N	122.15	M+1
19	H-Gln-OH-¹⁵N₂	148.13	M+2
20	H-Gln-OH-¹³C5,¹⁵N₂	153.09	M+7
21	H-Gln-OH-(amine-¹⁵N)	147.14	M+1
22	H-Glu-OH-¹⁵N	148.12	M+1
23	H-Glu-OH-5-¹³C	148.12	M+1
24	H-Glu-OH-¹³C₅,¹⁵N	153.08	M+6
25	H-Gly-OH-1-¹³C	76.06	M+1
26	H-Gly-OH-2-¹³C	76.06	M+1
27	H-Gly-OH-¹⁵N	76.06	M+1
28	H-Gly-OH-¹³C₂	77.05	M+2
29	H-Gly-OH-2-¹³C,¹⁵N	77.05	M+2
30	H-Gly-OH-2,2-d₂	77.08	M+2
31	H-Gly-OH-¹³C₂,¹⁵N	78.04	M+3
32	H-His-OH-¹⁵N₃	158.14	M+3
33	H-His-OH-¹³C₆,¹⁵N₃	164.09	M+9
34	H-Ile-OH-¹⁵N	132.17	M+1
35	H-Ile-OH-¹³C₆,¹⁵N	138.12	M+7
36	H-Leu-OH-1-¹³C	132.17	M+1
37	H-Leu-OH-¹⁵N	132.17	M+1
38	H-Leu-OH-5,5,5-d₃	134.19	M+3
39	H-Leu-OH-¹³C₆,¹⁵N	138.12	M+7
40	H-Leu-OH-d₁₀	141.24	M+10
41	H-Lys-OH-¹⁵N₂	148.18	M+2
42	H-Lys-OH-¹³C₆,¹⁵N₂	154.13	M+8
43	N-Methyl-¹³C-L-valine-¹³C₅,¹⁵N	138.12	M+7
44	H-Met-OH-1-¹³C	150.20	M+1
45	H-Met-OH-¹⁵N	150.20	M+1
46	H-Met-OH-¹³C₅,¹⁵N	155.16	M+6
47	H-Phe-OH-¹⁵N	166.19	M+1
48	H-Phe-OH-2-¹³C	166.18	M+1
49	H-Phe-OH-¹³C₉,¹⁵N	175.12	M+10
50	H-Phe-OH-(phenyl-d5)-2,3,3-d₃	173.24	M+8
51	H-Pro-OH-¹⁵N	116.13	M+1
52	H-Pro-OH-¹³C₅,¹⁵N	121.09	M+6
53	H-Ser-OH-¹⁵N	106.09	M+1
54	H-Ser-OH-¹³C₃,¹⁵N	109.06	M+4
55	H-Thr-OH-¹⁵N	120.11	M+1
56	H-Thr-OH-¹³C₄,¹⁵N	124.08	M+5
57	H-Trp-OH-¹⁵N₂	206.22	M+2
58	H-Trp-OH-¹³C11,¹⁵N₂	217.13	M+13
59	H-Trp-OH-α-¹⁵N	205.22	M+1
60	H-Tyr-OH-¹³C₉,¹⁵N	191.12	M+10
61	H-Tyr-OH-¹⁵N	182.18	M+1
62	H-Val-OH-1-¹³C	118.14	M+1
63	H-Val-OH-¹⁵N	118.14	M+6
64	H-Val-OH-¹³C₅,¹⁵N	123.10	M+6
65	H-Val-OH-d₈	125.20	M+8