Table 2.

Summary of native MS characterization of KaiC and KaiA–KaiC complex formed in the presence of ATP.

Figure numberIon seriesAssignmentTheoretical mass (D)Experimental mass (D)Δm (D)aRelative quantity (%)
Protein complexATP numberADP numberMg2+ number
Fig 1BBlueKaiCAA67512353,462353,476 ± 18−1456b
Fig 1BPurpleKaiCAA67312352,608352,593 ± 161544b
Fig 1DBlueKaiCAA67512353,462353,461 ± 141
Fig 1DRedKaiCAA6/KaiA26512418,449418,445 ± 20467b
Fig 1DOrangeKaiCAA6/KaiA201112417,969417,963 ± 20633b
KaiCAA6/KaiA25512417,942417,963 ± 20−21
Fig S1BBlueKaiCDD611012353,901353,902 ± 11−1
KaiCDD66612353,928353,902 ± 1126
Fig S1DBlueKaiCDD66612353,928353,924 ± 9474b
KaiCDD611012353,901353,924 ± 9−23
Fig S1DPurpleKaiCDD66512353,501353,477 ± 92426b
KaiCDD601212353,448353,477 ± 9−29
Fig S1DRedKaiCDD6/KaiA221012419,102419,102 ± 320
KaiCDD6/KaiA27412419,075419,102 ± 32−27
Fig S4ABlueKaiCAA/E77Q67512353,396353,383 ± 1313
Fig S4BBlueKaiCAA/E77Q612012353,796353,766 ± 2930
RedKaiCAA/E77Q6/KaiA27412418,533418,559 ± 59−26
  • a Δm is the mass difference between the experimental mass and the theoretical mass.

  • b Relative quantity of two ion series are shown.