PDB 4RR1

X-RAY DIFFRACTION0 chains6 ECOD domains

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

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2 domains

2 domains

2 domains

#	Chain	Domain ID	Range	Family	Classification
1	A	e4rr1A1	A:254-352	PDZ_2	7 → 7.1 → 7.1.1
2	A	e4rr1A2	A:43-253	Trypsin_2	1 → 1.1 → 1.1.5
3	B	e4rr1B1	B:43-237	Trypsin_2	1 → 1.1 → 1.1.5
4	B	e4rr1B2	B:238-355	PDZ_2	7 → 7.1 → 7.1.1
5	C	e4rr1C1	C:254-354	PDZ_2	7 → 7.1 → 7.1.1
6	C	e4rr1C2	C:43-253	Trypsin_2	1 → 1.1 → 1.1.5

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