#	Systems	Stoichiometry	Ref.
1	ALA_xag	ALA_xac	-1	1	1.169
2	ALA_xag	ALA_xak	-1	1	3.049
3	ALA_xag	ALA_xai	-1	1	3.319
4	ALA_xag	ALA_xab	-1	1	5.044
5	ARG_xci	ARG_xak	-1	1	1.576
6	ARG_xci	ARG_xbv	-1	1	2.529
7	ARG_xci	ARG_xbx	-1	1	2.800
8	ARG_xci	ARG_xby	-1	1	6.459
9	ASN_xaf	ASN_xaj	-1	1	0.388
10	ASN_xaf	ASN_xae	-1	1	4.109
11	ASN_xaf	ASN_xab	-1	1	4.760
12	ASN_xaf	ASN_xah	-1	1	6.532
13	ASP_xaz	ASP_xad	-1	1	0.157
14	ASP_xaz	ASP_xay	-1	1	1.974
15	ASP_xaz	ASP_xau	-1	1	2.897
16	ASP_xaz	ASP_xbc	-1	1	3.113
17	CYS_xai	CYS_xah	-1	1	0.277
18	CYS_xai	CYS_xag	-1	1	0.979
19	CYS_xai	CYS_xao	-1	1	0.992
20	CYS_xai	CYS_xal	-1	1	2.373
21	GLN_xai	GLN_xan	-1	1	0.424
22	GLN_xai	GLN_xat	-1	1	3.272
23	GLN_xai	GLN_xap	-1	1	4.045
24	GLN_xai	GLN_xal	-1	1	4.152
25	GLU_xbi	GLU_xav	-1	1	1.335
26	GLU_xbi	GLU_xal	-1	1	1.545
27	GLU_xbi	GLU_xar	-1	1	2.939
28	GLU_xbi	GLU_xad	-1	1	5.216
29	GLY_xac	GLY_xae	-1	1	1.091
30	GLY_xac	GLY_xad	-1	1	2.627
31	GLY_xac	GLY_xab	-1	1	2.743
32	GLY_xac	GLY_xag	-1	1	4.086
33	HIS_xaq	HIS_xam	-1	1	2.769
34	HIS_xaq	HIS_xah	-1	1	2.992
35	HIS_xaq	HIS_xau	-1	1	7.318
36	HIS_xaq	HIS_xav	-1	1	7.370
37	ILE_xae	ILE_xaj	-1	1	0.187
38	ILE_xae	ILE_xaq	-1	1	0.595
39	ILE_xae	ILE_xag	-1	1	0.963
40	ILE_xae	ILE_xak	-1	1	0.995
41	LEU_xap	LEU_xad	-1	1	0.338
42	LEU_xap	LEU_xae	-1	1	1.524
43	LEU_xap	LEU_xbb	-1	1	1.686
44	LEU_xap	LEU_xaq	-1	1	1.952
45	LYS_xap	LYS_xao	-1	1	0.058
46	LYS_xap	LYS_xan	-1	1	0.199
47	LYS_xap	LYS_xas	-1	1	0.456
48	LYS_xap	LYS_xat	-1	1	0.540
49	MET_xbf	MET_xag	-1	1	1.814
50	MET_xbf	MET_xbm	-1	1	2.459
51	MET_xbf	MET_xav	-1	1	2.466
52	MET_xbf	MET_xbo	-1	1	2.896
53	PHE_xaw	PHE_xab	-1	1	0.872
54	PHE_xaw	PHE_xar	-1	1	1.719
55	PHE_xaw	PHE_xan	-1	1	1.840
56	PHE_xaw	PHE_xal	-1	1	1.889
57	PRO_xae	PRO_xad	-1	1	1.396
58	PRO_xae	PRO_xac	-1	1	3.211
59	PRO_xae	PRO_xaf	-1	1	4.187
60	PRO_xae	PRO_xab	-1	1	6.014
61	SER_xad	SER_xah	-1	1	3.026
62	SER_xad	SER_xaf	-1	1	3.103
63	SER_xad	SER_xak	-1	1	3.513
64	SER_xad	SER_xar	-1	1	4.183
65	THR_xaq	THR_xab	-1	1	1.339
66	THR_xaq	THR_xag	-1	1	3.080
67	THR_xaq	THR_xah	-1	1	3.506
68	THR_xaq	THR_xal	-1	1	4.224
69	TRP_xao	TRP_xag	-1	1	1.293
70	TRP_xao	TRP_xah	-1	1	2.828
71	TRP_xao	TRP_xaf	-1	1	3.244
72	TRP_xao	TRP_xac	-1	1	4.057
73	TYR_xag	TYR_xar	-1	1	0.093
74	TYR_xag	TYR_xab	-1	1	0.903
75	TYR_xag	TYR_xah	-1	1	1.707
76	TYR_xag	TYR_xan	-1	1	1.772
77	VAL_xad	VAL_xaj	-1	1	0.849
78	VAL_xad	VAL_xah	-1	1	0.860
79	VAL_xad	VAL_xaf	-1	1	1.355
80	VAL_xad	VAL_xak	-1	1	1.484
