PDB 4QDD

X-RAY DIFFRACTION2.60 Å1 chains2 ECOD domains

3D Structure(domains colored, ligands/nucleic acids shown)

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Chain A3-ketosteroid 9alpha-hydroxylase oxygenaseview chain

2 domains

#	Chain	Domain ID	Range	Family	Classification
1	A	e4qddA1	A:139-383	KshA_C	331 → 331.3 → 331.3.1
2	A	e4qddA2	A:15-138	Rieske	66 → 66.1 → 66.1.1

ECOD domains (colored by index)Unclassified protein regionsNucleic acids (RNA/DNA)Ligands/cofactors