Lineage for Species: Balsam copaiba (Copaifera langsdorffii) [TaxId: 280048]

1. Root: SCOPe 2.08

2. Class b: All beta proteins [48724] (180 folds)

3. Fold b.42: beta-Trefoil [50352] (8 superfamilies) barrel, closed; n=6, S=12; and a hairpin triplet; meander duplication: has internal pseudo threefold symmetry

4. Superfamily b.42.4: STI-like [50386] (3 families)

5. Family b.42.4.1: Kunitz (STI) inhibitors [50387] (8 proteins) automatically mapped to Pfam PF00197

6. Protein Two-chain trypsin inhibitor [110215] (1 species)

7. Species Balsam copaiba (Copaifera langsdorffii) [TaxId:280048] [110216] (1 PDB entry) Uniprot P84144,P84145 # two chains probably resulted from a single chain precursor