Solution NMR structure of the KCNQ1 voltage-sensing domain
MGHHHHHHGV LARTHVQGRV YNFLERPTGW KCFVYHFAVF LIVLVCLIFS VLSTIEQYAA LATGTLFWME IVLVVFFGTE YVVRLWSAGC RSKYVGLWGR LRFARKPISI IDLIVVVASM VVLCVGSKGQ VFATSAIRGI RFLQILRMLH VDRQGGTWR
Polymer type: polypeptide(L)
Total | 1H | 13C | 15N | |
---|---|---|---|---|
All | 73.5 % (1413 of 1922) | 75.5 % (738 of 978) | 67.9 % (527 of 776) | 88.1 % (148 of 168) |
Backbone | 86.1 % (818 of 950) | 88.2 % (291 of 330) | 83.2 % (385 of 463) | 90.4 % (142 of 157) |
Sidechain | 63.6 % (710 of 1117) | 68.7 % (445 of 648) | 56.6 % (259 of 458) | 54.5 % (6 of 11) |
Aromatic | 23.2 % (57 of 246) | 37.4 % (46 of 123) | 5.1 % (6 of 118) | 100.0 % (5 of 5) |
Methyl | 87.3 % (206 of 236) | 89.8 % (106 of 118) | 84.7 % (100 of 118) |
1. entity 1
MGHHHHHHGV LARTHVQGRV YNFLERPTGW KCFVYHFAVF LIVLVCLIFS VLSTIEQYAA LATGTLFWME IVLVVFFGTE YVVRLWSAGC RSKYVGLWGR LRFARKPISI IDLIVVVASM VVLCVGSKGQ VFATSAIRGI RFLQILRMLH VDRQGGTWRSolvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.4 mM [U-100% 13C; U-100% 15N; U-80% 2H] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | KCNQ1-VSD | [U-100% 13C; U-100% 15N; U-80% 2H] | 0.4 mM | |
2 | MES | natural abundance | 50 mM | |
3 | EDTA | natural abundance | 0.5 mM | |
4 | TCEP | natural abundance | 2 mM | |
5 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.4 mM [U-100% 13C; U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
6 | KCNQ1-VSD | [U-100% 13C; U-100% 15N] | 0.4 mM | |
7 | MES | natural abundance | 50 mM | |
8 | EDTA | natural abundance | 0.5 mM | |
9 | TCEP | natural abundance | 2 mM | |
10 | LMPG | natural abundance | 4 % w/v |
Solvent system 100% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.4 mM [U-100% 13C; U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v Deuterated LMPG, 100% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
11 | KCNQ1-VSD | [U-100% 13C; U-100% 15N] | 0.4 mM | |
12 | MES | natural abundance | 50 mM | |
13 | EDTA | natural abundance | 0.5 mM | |
14 | TCEP | natural abundance | 2 mM | |
15 | Deuterated LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.4 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
16 | KCNQ1-VSD | [U-100% 15N] | 0.4 mM | |
17 | MES | natural abundance | 50 mM | |
18 | EDTA | natural abundance | 0.5 mM | |
19 | TCEP | natural abundance | 2 mM | |
20 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 mM LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
21 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
22 | MES | natural abundance | 50 mM | |
23 | EDTA | natural abundance | 0.5 mM | |
24 | TCEP | natural abundance | 2 mM | |
25 | LMPG | natural abundance | 4 mM |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 mM LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
26 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
27 | MES | natural abundance | 50 mM | |
28 | EDTA | natural abundance | 0.5 mM | |
29 | TCEP | natural abundance | 2 mM | |
30 | LMPG | natural abundance | 4 mM |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
31 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
32 | MES | natural abundance | 50 mM | |
33 | EDTA | natural abundance | 0.5 mM | |
34 | TCEP | natural abundance | 2 mM | |
35 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
36 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
37 | MES | natural abundance | 50 mM | |
38 | EDTA | natural abundance | 0.5 mM | |
39 | TCEP | natural abundance | 2 mM | |
40 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
41 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
42 | MES | natural abundance | 50 mM | |
43 | EDTA | natural abundance | 0.5 mM | |
44 | TCEP | natural abundance | 2 mM | |
45 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
46 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
47 | MES | natural abundance | 50 mM | |
48 | EDTA | natural abundance | 0.5 mM | |
49 | TCEP | natural abundance | 2 mM | |
50 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
51 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
52 | MES | natural abundance | 50 mM | |
53 | EDTA | natural abundance | 0.5 mM | |
54 | TCEP | natural abundance | 2 mM | |
55 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
56 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
57 | MES | natural abundance | 50 mM | |
58 | EDTA | natural abundance | 0.5 mM | |
59 | TCEP | natural abundance | 2 mM | |
60 | LMPG | natural abundance | 4 % w/v |
Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 323 K, pH 5.5, Details 0.2 mM [U-100% 15N] KCNQ1-VSD, 50 mM MES, 0.5 mM EDTA, 2 mM TCEP, 4 % w/v LMPG, 95% H2O/5% D2O
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
61 | KCNQ1-VSD | [U-100% 15N] | 0.2 mM | |
62 | MES | natural abundance | 50 mM | |
63 | EDTA | natural abundance | 0.5 mM | |
64 | TCEP | natural abundance | 2 mM | |
65 | LMPG | natural abundance | 4 % w/v |