SCOPe 2.06: Domain d1posb1: 1pos B:1-53

Lineage for d1posb1 (1pos B:1-53)

1. Root: SCOPe 2.06

2. Class g: Small proteins [56992] (94 folds)

3. Fold g.16: Trefoil/Plexin domain-like [57491] (3 superfamilies)
   disulfide-rich fold; common core is alpha+beta with two conserved disulfides

4. Superfamily g.16.1: Trefoil [57492] (1 family)

5. Family g.16.1.1: Trefoil [57493] (3 proteins)

6. Protein Pancreatic spasmolytic polypeptide [57494] (1 species)
   duplication: consists of two homologous domains

7. Species Pig (Sus scrofa) [TaxId:9823] [57495] (4 PDB entries)

8. Domain d1posb1: 1pos B:1-53 [44740]
   CA-atoms only

Details for d1posb1

PDB Entry: 1pos, 2.6 Å

PDB Description: crystal structure of a novel disulfide-linked "trefoil" motif found in a large family of putative growth factors

PDB Compounds: (B:) porcine pancreatic spasmolytic polypeptide

SCOPe Domain Sequences for d1posb1:

Sequence; same for both SEQRES and ATOM records:

>d1posb1 g.16.1.1 (B:1-53) Pancreatic spasmolytic polypeptide {Pig (Sus scrofa) [TaxId: 9823]}
ekpaacrcsrqdpknrvncgfpgitsdqcftsgccfdsqvpgvpwcfkplpaq

Timeline for d1posb1:

• d1posb1 first appeared (with stable ids) in SCOP 1.55
  
• d1posb1 appears in SCOPe 2.05
  
• d1posb1 appears in SCOPe 2.07
  
• d1posb1 appears in the current release, SCOPe 2.08