Table 6.
Data collection and refinement statistics
| MBH (PDB ID code) | |||
| PDB ID code | O2-derivatized (5MDL) | High pressure (5MDJ) | Nonderivatized (as-isolated) (5MDK) | 
| Data collection | ESRF, ID30B | ESRF, ID29 | ESRF, ID30B | 
| Space group | P212121 | P212121 | P212121 | 
| Cell dimensions | |||
| a, b, c, Å | 73.13, 95.57, 119.69 | 73.39, 95.70, 121.57 | 73.11, 95.57, 119.83 | 
| α, β, γ; ° | 90, 90, 90* | 90, 90, 90* | 90, 90, 90* | 
| Resolution, Å | 47.78–1.41 | 47.85–1.48 | 47.78–1.50 | 
| (1.49–1.41)† | (1.56–1.48)† | (1.58–1.50)† | |
| Rmerge (58) | 0.064 (0.681)† | 0.064 (0.839)† | 0.060 (0.800)† | 
| I/(σ)I (59) | 10.7 (2.0)† | 12.5 (2.0)† | 12.4 (1.9)† | 
| CC1/2‡ | 100 (89.6)† | 100 (82.6)† | 100 (88)† | 
| Completeness, % | 96.4 (94.4)† | 99.8 (99.4)† | 99.8 (98.9)† | 
| Redundancy | 4.8 (4.6)† | 5.6 (5.2)† | 5.4 (5.2)† | 
| Wilson B-factor, Å2 | 14.4 | 20.7 | 19.9 | 
| Refinement | |||
| Resolution, Å | 1.41 | 1.48 | 1.50 | 
| No. of reflections | 147,390 | 135,294 | 127,184 | 
| Rwork/Rfree, % | 13.2/16.3 | 14.2/17.2 | 12.5/15.3 | 
| No. of atoms/residues | |||
| Large subunit (HoxG) | 4,774/601 | 4,687/601 | 4,776/601 | 
| Small subunit (HoxK) | 2,118/269 | 2,051/268 | 2,142/269 | 
| Others | |||
| [FeS] clusters | 22/3 | 22/3 | 22/3 | 
| [NiFe] active site | 9/1 | 9/1 | 9/1 | 
| Water | 611/603 | 471/466 | 653/652 | 
| Dioxygen | 8/4 | 0 | 0 | 
| Cl− | 1/1 | 1/1 | 5/3 | 
| Mg2+ | 1/1 | 1/1 | 1/1 | 
| Polyethylene glycol | 7/1 | 0 | 0 | 
| Mean B-factor (all atoms), Å2 | 19.6 | 27.5 | 25.7 | 
| rmsd | |||
| Bond lengths, Å | 0.008 | 0.010 | 0.007 | 
| Bond angles, ° | 1.260 | 1.357 | 1.302 | 
| Ramachandran plot,§ (60) | |||
| Most favored, % | 98 | 98 | 98 | 
| Allowed/disallowed | 2/0 | 2/0 | 2/0 | 
One crystal was used.
Highest resolution shell is shown in parentheses.
Half-set correlation coefficient.
As defined in the program RAMPAGE.