Table 1 Data collection and refinement statistics
 | Grb2FL:PEAK SH2-pY peptide (PDB 8DGO) | 14-3-3ε:PEAK3tandem-pS69 (PDB 8DGP) | 14-3-3ε:PEAK1tandem-pT1165 (PDB 8DGM) | 14-3-3ε: PEAK2tandem-pS826 (PDB 8DGN) |
---|---|---|---|---|
Data collectiona | ||||
Space group | P43 | P41 | P6222 | P6222 |
Cell dimensions | Â | Â | Â | Â |
a, b, c (Ã…) | 89.31, 89.31, 94.83 | 155.53, 155.53, 58.06 | 91.42, 91.42, 139.87 | 92.13, 92.13, 137.44 |
a, b, g (°) | 90, 90, 90 | 90, 90, 90 | 90, 90, 120 | 90, 90, 120 |
Resolution (Å) | 41.88–2.30 (2.38–2.30)b | 49.19–2.70 (2.80–2.70) | 45.72–3.20 (3.32–3.20) | 46.07–3.16 (3.27–3.16) |
Rmerge | 0.079 (1.617) | 0.256 (1.885) | 0.104 (1.601) | 0.128 (1.673) |
I/σI | 12.81 (1.11) | 9.74 (1.43) | 22.22 (1.93) | 18.79 (2.02) |
Completeness (%) | 99.3 (93.9) | 99.6 (96.1) | 99.84 (99.83) | 99.75 (98.37) |
Redundancy | 6.9 (6.4) | 14.0 (13.5) | 18.8 (19.3) | 18.9 (19.0) |
Refinement | ||||
Resolution (Å) | 41.88–2.30 | 49.18–2.70 | 45.72–3.20 | 46.07–3.16 |
No. reflections | 32,851 | 38,504 | 6142 | 6349 |
Rwork/Rfree | 0.1789/0.2232 | 0.1873/0.2330 | 0.2066/0.2661 | 0.2419/0.2947 |
No. atoms | 3679 | 7663 | 1499 | 1510 |
Protein | 3569 | 7512 | 1491 | 1510 |
Ligand/ion | 0 | 35 | 8 | 0 |
Water | 110 | 128 | 0 | 0 |
B-factors | 73.44 | 60.89 | 102.97 | 106.78 |
Protein | 73.91 | 61.03 | 103.00 | 106.78 |
Ligand/ion | – | 89.86 | 98.29 | – |
Water | 58.26 | 47.85 | – | – |
R.m.s. deviations | Â | Â | Â | Â |
Bond lengths (Ã…) | 0.008 | 0.006 | 0.009 | 0.003 |
Bond angles (°) | 0.99 | 0.77 | 1.17 | 0.53 |
B-factors by Chain (residues modeled) | Grb2FL: A: 67.74 (1–217) B: 79.44 (1–217) PEAK3/1 SH2-pY: C: 97.74 (23–27) (Residue numbering for human PEAK3) | 14-3-3ε: A: 41.58 (1–233) B: 55.79 (2–234) C: 71.25 (1–234) D: 77.81 (1–234) PEAK3tandem-pS69: E: 62.76 (66–72) F: 59.53 (65–73) G: 75.67 (65–72) H: 73.70 (65–72) | 14-3-3ε: A: 104.67 (33–232) PEAK3tandem-pS69: E: 118.22 (66–72) | 14-3-3ε: A: 107.95 (33–232) PEAK3tandem-pS69: E: 113.87 (66–72) |