PDB 3F1S

X-RAY DIFFRACTION2.30 Å0 chains3 ECOD domains

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

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1 domain

2 domains

#	Chain	Domain ID	Range	Family	Classification
1	A	e3f1sA1	A:39-423	Serpin	4059 → 4059.1 → 4059.1.1
2	B	e3f1sB1	B:147-360	Trypsin	1 → 1.1 → 1.1.17
3	B	e3f1sB4	B:87-138	cEGF, FXa_inhibition	389 → 389.1 → 389.1.1

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