SCOP 1.75: Family a.61.1.1: Immunodeficiency virus matrix proteins

Lineage for Family a.61.1.1: Immunodeficiency virus matrix proteins

1. Root: SCOP 1.75

2. Class a: All alpha proteins [46456] (284 folds)

3. Fold a.61: Retroviral matrix proteins [47835] (1 superfamily)
   4-5 helices; right-handed superhelix

4. Superfamily a.61.1: Retroviral matrix proteins [47836] (6 families)
   the 5th, C-terminal helix is missing in some of the member structures

5. Family a.61.1.1: Immunodeficiency virus matrix proteins [47837] (2 proteins)

Proteins:

1. HIV-1 matrix protein (HIV-1 MA, HIVp17, p17, MA) [47838] (1 species)
   topologically similar to one subunit in the interferon-gamma intertwined dimer

   • Species Human immunodeficiency virus type 1 [TaxId:11676] [47839] (12 PDB entries)

2. SIV matrix antigen [47840] (1 species)

   • Species Simian immunodeficiency virus [TaxId:11723] [47841] (2 PDB entries)

More info for Family a.61.1.1: Immunodeficiency virus matrix proteins

Timeline for Family a.61.1.1: Immunodeficiency virus matrix proteins:

• Family a.61.1.1: Immunodeficiency virus matrix proteins first appeared (with stable ids) in SCOP 1.55
  
• Family a.61.1.1: Immunodeficiency virus matrix proteins appears in SCOP 1.73
  
• Family a.61.1.1: Immunodeficiency virus matrix proteins appears in SCOPe 2.01
  
• Family a.61.1.1: Immunodeficiency virus matrix proteins appears in the current release, SCOPe 2.08