Table 2.
Crystallographic diffraction data and refinement statistics.
TbAdoMetDC△26 monomer |
TbAdoMetDC/prozyme heterodimer |
TbAdoMetDC/prozyme heterodimer with CGP |
|
---|---|---|---|
Data collection | |||
Space group |
P212121 (No. 19) |
P21 (No. 4) |
P21 (No. 4) |
Unit cell dimensions (Å, °) |
a = 46.67, b = 75.64, c = 87.92 |
a = 81.30, b = 96.71, c = 99.58; β = 102.64 |
a = 81.13, b = 96.31, c = 98.48; β = 102.22 |
Wavelength (Å) |
0.97935 |
0.97932 |
0.97934 |
Average mosaicity (°) |
0.25 |
0.85 |
0.62 |
Resolution range (Å) |
50–1.48 (1.51–1.48)* |
50–2.40 (2.44–2.40) |
50–2.42 (2.46–2.42) |
Unique number of reflections |
51,575 |
57,780 |
57,137 |
Average redundancy |
9.4 (4.8) |
6.9 (5.6) |
4.0 (3.4) |
Completeness (%) |
98.2 (79.2) |
99.5 (97.4) |
99.4 (98.5) |
Rr.i.m. (%) ‡ |
6.8 |
14.6 |
12.5 |
Rp.i.m. (%) § |
2.2 (39.3) |
5.5 (60.2) |
6.1 (69.7) |
<I /σI> |
29.8 (1.4) |
15.1 (1.3) |
16.6 (1.7) |
CC1/2 in the last resolution shell |
0.68 |
0.60 |
0.53 |
CC* in the last resolution shell |
0.90 |
0.87 |
0.83 |
Wilson B-factor (Å2) † |
17.2 |
42.0 |
25.1 |
Refinement | |||
Resolution range (Å) |
36.2–1.48 (1.53–1.48) |
37.9–2.41 (2.49–2.41) |
32.4–2.42 (2.51–2.42) |
Number of reflections Total/Rfree |
51,476/2000 (4315/167) |
57,703/2000 (5361/186) |
55,801/1674 (5172/155) |
Atoms (non-H protein/ligands/solvent) |
2584/6/252 |
10,275/60/101 |
10,214/124/261 |
Protein residues (resolved/sequence) |
314/344 ¶ |
1292/1390 ¶,** |
1282/1390¶,** |
Rwork (%) |
15.8 (25.1) |
22.8 (32.6) |
21.3 (29.1) |
Rfree (%) |
20.0 (32.6) |
27.1 (33.2) |
25.5 (34.6) |
RMSD bond length (Å) |
0.008 |
0.002 |
0.002 |
RMSD bond angle (°) |
1.0 |
0.46 |
0.48 |
Average B-factor (Å2) (protein/ligands/solvent) |
24.9/20.8/32.3 |
56.2/56.3/40.2 |
40.6/56.2/28.9 |
Ramachandran plot (%) (favored/allowed/disallowed) |
98.1/1.6/0.3†† |
96.4/3.6/0 |
96.9/3.1/0 |
Poor rotamers (%) |
0.34 |
0.70 |
0.18 |
Clashscore |
1.18 |
1.23 |
1.38 |
* Numbers in parentheses correspond to the last resolution shell.
† Maximum likelihood estimate of the overall B-value reported in Phenix.
‡ Redundancy-independent merging R factor, (Weiss, 2001).
§ Precision-indicating merging R factor, (Weiss, 2001).
¶ Residue count includes Pvl but ** excludes the first Ser after Ulp1 cleavage site.
†† I168 is the only residue in the disallowed region of the Ramachandran plot.