Lineage for Species: Human (Homo sapiens) [TaxId: 9606]
- Root: SCOP 1.73
Class a: All alpha proteins [46456] (258 folds) 
Fold a.102: alpha/alpha toroid [48207] (5 superfamilies)
multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies
Superfamily a.102.4: Terpenoid cyclases/Protein prenyltransferases [48239] (4 families) 
Family a.102.4.4: Complement components [48251] (2 proteins)
probably related to other families, but has no known enzymatic activityProtein C3D, a C3 fragment and ligand for complement receptor 2 [48252] (2 species) Species Human (Homo sapiens) [TaxId:9606] [48253] (3 PDB entries)
PDB entries in Species: Human (Homo sapiens) [TaxId: 9606]:
- Domain(s) for 1c3d:
Domain d1c3da_: 1c3d A: [18874]
complexed with gol; mutant
- Domain(s) for 1ghq:
Domain d1ghqa_: 1ghq A: [60521]
Other proteins in same PDB: d1ghqb1, d1ghqb2, d1ghqc1, d1ghqc2
complexed with nag, zn; mutant
- Domain(s) for 1w2s:
Domain d1w2sa1: 1w2s A:1-307 [120604]
Other proteins in same PDB: d1w2sb1, d1w2sb2
automatically matched to d1ghqa_
More info for Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2
Timeline for Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2:
- Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2 first appeared (with stable ids) in SCOP 1.55
- Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2 appears in SCOP 1.71
- Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2 appears in SCOP 1.75
- Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 C3D, a C3 fragment and ligand for complement receptor 2 appears in the current release, SCOPe 2.08, called Species Human (Homo sapiens) [TaxId:9606] from a.102.4.4 Thio-ester containing domain (TED) from Complement C3, aka C3d or C3dg