wwPDB validation report of PDB entry 7T5A

The ligand-free ModA protein was chemically modified via reductive alkylation of surface lysine residues prior to co-crystallisation with tungstate.
Molybdate-binding periplasmic protein ModA

Molybdate-binding periplasmic protein ModA in ligand-free form

Molybdate-binding periplasmic protein ModA in chromate-bound form

Molybdate-binding periplasmic protein ModA in molybdate-bound form

Crystal structure of the molybdate-binding periplasmic protein ModA from the bacteria Pseudomonsa aeruginosa in tungstate-bound form

(chain "A" and (resid 23 through 251 or resid 321 through 322))

(chain "B" and (resid 23 through 251 or resid 321 through 322))

The largest off-origin peak in the Patterson function is 7.37% of the height of the origin peak. No significant pseudotranslation is detected.

structure factor analysis and validation

geometric validation package for ligand chemistry in protein x-ray structures

20191225.v01 (using entries in the PDB archive December 25th 2019)