SCOP 1.75: Protein: Prolactin (placental lactogen)

Root: SCOP 1.75
Class a: All alpha proteins [46456] (284 folds)
Fold a.26: 4-helical cytokines [47265] (1 superfamily)
core: 4 helices; bundle, closed; left-handed twist; 2 crossover connections
Superfamily a.26.1: 4-helical cytokines [47266] (3 families)
there are two different topoisomers of this fold with different entanglements of the two crossover connections
Family a.26.1.1: Long-chain cytokines [47267] (9 proteins)
Protein Prolactin (placental lactogen) [47278] (2 species)

Human (Homo sapiens) [TaxId:9606] [89035] (2 PDB entries)
1. Domain for 1n9d:
  - Domain d1n9da_: 1n9d A: [85464]
2. Domain for 1rw5:
  - Domain d1rw5a1: 1rw5 A:1-199 [118792]
    automatically matched to d1n9da_
Sheep (Ovis aries) [TaxId:9940] [47279] (1 PDB entry)
- Domain for 1f6f:
  - Domain d1f6fa_: 1f6f A: [16839]
    Other proteins in same PDB: d1f6fb1, d1f6fb2, d1f6fc1, d1f6fc2

Timeline for Protein Prolactin (placental lactogen) from a.26.1.1: Long-chain cytokines:

Protein Prolactin (placental lactogen) from a.26.1.1: Long-chain cytokines first appeared (with stable ids) in SCOP 1.55, called Protein Placental lactogen from a.26.1.1: Long-chain cytokines
Protein Prolactin (placental lactogen) from a.26.1.1: Long-chain cytokines appears in SCOP 1.73
Protein Prolactin (placental lactogen) from a.26.1.1: Long-chain cytokines appears in SCOPe 2.01
Protein Prolactin (placental lactogen) from a.26.1.1: Long-chain cytokines appears in the current release, SCOPe 2.08