PDB 4URN

X-RAY DIFFRACTION2.30 Å3 chains3 ECOD domains

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

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Chain ADNA TOPOISOMERASE IV, B SUBUNITview chain

1 domain

Chain BDNA TOPOISOMERASE IV, B SUBUNITview chain

1 domain

Chain CDNA TOPOISOMERASE IV, B SUBUNITview chain

1 domain

#	Chain	Domain ID	Range	Family	Classification
1	A	e4urnA1	A:17-100,A:120-223	HATPase_c	225 → 225.1 → 225.1.1
2	B	e4urnB1	B:32-223	HATPase_c	225 → 225.1 → 225.1.1
3	C	e4urnC1	C:19-100,C:121-224	HATPase_c	225 → 225.1 → 225.1.1

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