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NMR structure of foldswitch-stablized KaiB from Thermosynechococcus elongatus
Authors
Tseng, R.D., Wang, A.L.
Assembly
Circadian clock protein KaiB
Entity
1. Circadian clock protein KaiB (polymer, Thiol state: not present), 106 monomers, 11761.72 Da Detail

MAPLRKTAVL KLYVAGNTPN SVRALKTLAN ILEKEFKGVY ALKVIDVLKN PQLAEEDKIL ATPTLAKVLP PPVRRIIGDL SNREKVLIAL RLLAEEIGDY KDDDDK


Formula weight
11761.72 Da
Source organism
Thermosynechococcus vestitus BP-1
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 98.1 %, Completeness: 92.5 %, Completeness (bb): 97.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All92.5 % (1169 of 1264)91.4 % (604 of 661)93.8 % (467 of 498)93.3 % (98 of 105)
Backbone97.3 % (605 of 622)96.7 % (202 of 209)97.5 % (306 of 314)98.0 % (97 of 99)
Sidechain89.2 % (664 of 744)88.9 % (402 of 452)91.3 % (261 of 286)16.7 % (1 of 6)
Aromatic 0.0 % (0 of 34) 0.0 % (0 of 17) 0.0 % (0 of 17)
Methyl97.6 % (160 of 164)97.6 % (80 of 82)97.6 % (80 of 82)

1. Circadian clock protein KaiB

MAPLRKTAVL KLYVAGNTPN SVRALKTLAN ILEKEFKGVY ALKVIDVLKN PQLAEEDKIL ATPTLAKVLP PPVRRIIGDL SNREKVLIAL RLLAEEIGDY KDDDDK

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298 K, pH 7, Details 800 uM [U-99% 13C; U-99% 15N] KaiB mutant in foldswitched state, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1KaiB mutant in foldswitched state[U-99% 13C; U-99% 15N]800 uM
2H2Onatural abundance95 %
3D2Onatural abundance5 %
Sample #2

Solvent system 99.96% D2O, Pressure 1 atm, Temperature 298 K, pH 7, Details 800 uM [U-99% 13C; U-99% 15N] KaiB mutant in foldswitched state, 99.96% D2O


#NameIsotope labelingTypeConcentration
4KaiB mutant in foldswitched state[U-99% 13C; U-99% 15N]800 uM
5H2Onatural abundance0.04 %
6D2Onatural abundance99.96 %
Sample #3

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7, Details 300 uM [U-99% 13C; U-99% 15N] KaiB mutant in foldswitched state, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
7KaiB mutant in foldswitched state[U-99% 13C; U-99% 15N]300 uM
8H2Onatural abundance90 %
9D2Onatural abundance10 %
Sample #4

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7, Details 356 uM [U-99% 13C; U-99% 15N] KaiB mutant in foldswitched state, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
10KaiB mutant in foldswitched state[U-99% 13C; U-99% 15N]356 uM
11H2Onatural abundance90 %
12D2Onatural abundance10 %

LACS Plot; CA
Referencing offset: 0.08 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.08 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: -0.09 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 0.21 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5JYT, Strand ID: A Detail


Release date
2016-05-24
Citation
Structural basis of the day-night transition in a bacterial circadian clock
Tseng, R., Goularte, N.F., Chavan, A., Luu, J., Cohen, S.E., Chang, Y.G., Heisler, J., Li, S., Michael, A.K., Tripathi, S., Golden, S.S., LiWang, A., Partch, C.L.
Science (2017), 355, 1174-1180, PubMed 28302851 , DOI 10.1126/science.aag2516 ,
Experiments performed 17 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Circadian clock, metamorphic protein