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. Author manuscript; available in PMC: 2022 May 7.
Published in final edited form as: J Proteome Res. 2021 Apr 19;20(5):2762–2771. doi: 10.1021/acs.jproteome.0c00912

Table 1. Amyloid-β lysine K28 accessibility for covalent modification with CPP in AD and LBD patient prefrontal cortex samples.

The table shows the accessibility in percent for Ab#K28 and SDHB#K137, and TUBB#K174 lysine sites in 10 patient and 10 control samples in total lysate or the precipitate following ultracentrifugation of the lysate. Abbreviations: SpC, spectrum count; %acc, percentile of peptide in which the lysine site was accessible for covalent modification.

Ab#K28 SDHB#K137 TUBB#K174
Lysate Pellet Lysate Lysate
Diagnosis Sample SpC %acc SpC %acc SpC %acc SpC %acc
AD A10 2 89 2 99 0 n.d. 2 98
AD A7 4 79 7 92 2 58 1 99
AD A4 7 65 5 92 4 56 1 99
AD-dLBD A6 4 75 5 94 2 58 2 98
AD-dLBD BIO 7 84 6 94 2 62 2 98
AD-dLBD B6 6 51 7 86 2 61 1 98
AD-dLBD A9 6 49 5 82 1 72 1 99
AD-dLBD B7 7 48 8 51 2 60 2 99
AD-dLBD B8 6 62 5 84 1 56 2 97
LBD B5 0 n.d. 0 n.d. 2 57 2 98
Normal A1 0 n.d. 0 n.d. 0 n.d. 2 99
Normal A2 0 n.d. 0 n.d. 0 n.d. 1 98
Normal A3 0 n.d. 0 n.d. 2 91 1 99
Normal A5 0 n.d. 0 n.d. 0 n.d. 2 99
Normal A8 0 n.d. 0 n.d. 0 n.d. 1 99
Normal B1 0 n.d. 0 n.d. 1 80 1 99
Normal B3 0 n.d. 0 n.d. 2 80 2 99
Normal B9 0 n.d. 0 n.d. 0 n.d. 1 99
Normal B4 0 n.d. 0 n.d. 2 79 2 99
Normal B2 3 7 1 4 2 78 2 99