wwPDB validation report of PDB entry 4X9S

1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase,N-(5'-phosphoribosyl)anthranilate isomerase,Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase

Different crystallization condition resulting in some changes in the structure

HYDROGEN ATOMS HAVE BEEN ADDED IN
RIDING POSITIONS

CRYSTAL STRUCTURE OF HISAP FROM STREPTOMYCES SP. MG1

The largest off-origin peak in the Patterson function is 4.68% 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)