SCOP classification
Class: All alpha proteins
Fold: Retroviral matrix proteins
Superfamily: Retroviral matrix proteins
Family: Immunodeficiency virus matrix proteins

Family Members
Domain: d1ed1a_ of protein: SIV matrix antigen from Species: Simian immunodeficiency virus [TaxId: 11723]
Domain: d2gola_ of protein: HIV-1 matrix protein (HIV-1 MA, HIVp17, p17, MA) from Species: Human immunodeficiency virus type 1 [TaxId: 11676]

Multiple structure based alignment (Multiprot)

Multiple Structure based Sequence alignment
Multiple Structure based Sequence alignment (HHAlign)
Integrated Structure-Sequence alignment (ClustalO)
Integrated Structure-Sequence alignment (HMMalign)

Phylogenetic Representation
Strucuture based Phylogenetic tree (Using SDM) Strucuture based Phylogenetic tree (Using TM)