Table 1.
UQ1-UBA | UQ1-UBA/Ub complex | ||
---|---|---|---|
Constraints | |||
distance restraints | 1014 | ambiguous intermolecular | 19 active |
restraints from CSP mapping | 16 passive | ||
dihedral angle restraints | 66 | unambiguous distance restraints (from NOEs and PREs) | 14 |
hydrogen bonds | 40 | RDC restraints (secondary structure) | 52 |
RDC restraints | 48 | ||
RMSDa (Å) | |||
backbone, secondary struct. | 0.28 ± 0.07 | at the interface | 0.45 ± 0.15 |
heavy atoms, secondary struct. | 0.76 ± 0.07 | UBA+Ub backbone all residues | 0.72 ± 0.35 |
backbone, all residues | 2.19 ± 1.07 | UBA backbone all residues | 0.90 ± 0.35 |
secondary structure residues | 0.32 ± 0.07 | ||
heavy atoms, all residues | 2.36 ± 0.91 | Ub backbone all residues | 0.59 ± 0.28 |
secondary structure residues | 0.46 ± 0.13 | ||
PROCHECKa | |||
most favored regions | 82.3 ± 2.81% | most favored regions | 89.1 ± 1.8% |
allowed regions | 13.2 ± 3.84% | allowed regions | 8.7 ± 1.6% |
generously allowed regions | 1.82 ± 2.34% | generously allowed regions | 0.8 ± 0.5% |
disallowed regions | 2.72 ± 1.77% | disallowed regions | 1.3 ± 0.5% |
G-factor overall | −0.051 ± 0.039 | G-factor overall | 0.29 ± 0.02 |
The RMSD and PROCHECK 69 analyses were performed for the ensemble of ten final lowest-energy structures.