![]() | Class a: All alpha proteins [46456] (258 folds) |
![]() | Fold a.22: Histone-fold [47112] (1 superfamily) core: 3 helices; long middle helix is flanked at each end with shorter ones |
![]() | Superfamily a.22.1: Histone-fold [47113] (4 families) ![]() |
![]() | Family a.22.1.1: Nucleosome core histones [47114] (5 proteins) form octamers composed of two copies of each of the four histones |
![]() | Histone H2A [47115] (5 species) |
![]() | Species African clawed frog (Xenopus laevis) [TaxId:8355] [47117] (20 PDB entries) |
![]() | Species Baker's yeast (Saccharomyces cerevisiae), H2A.1 [TaxId:4932] [68984] (1 PDB entry) |
![]() | Species Chicken (Gallus gallus), erythrocytes [TaxId:9031] [47116] (6 PDB entries) |
![]() | Species Human (Homo sapiens), H2A.a [TaxId:9606] [140392] (1 PDB entry) |
![]() | Species Human (Homo sapiens), variant H2A.Z [TaxId:9606] [47118] (1 PDB entry) |
![]() | Histone H2B [47119] (5 species) |
![]() | Species African clawed frog (Xenopus laevis) [TaxId:8355] [47121] (23 PDB entries) |
![]() | Species Baker's yeast (Saccharomyces cerevisiae), H2B.2 [TaxId:4932] [68985] (1 PDB entry) |
![]() | Species Chicken (Gallus gallus), erythrocytes [TaxId:9031] [47120] (6 PDB entries) |
![]() | Species Human (Homo sapiens), H2B.k [TaxId:9606] [140394] (1 PDB entry) |
![]() | Species Mouse (Mus musculus), H2Ba [TaxId:10090] [140393] (2 PDB entries) |
![]() | Histone H3 [47122] (4 species) |
![]() | Species African clawed frog (Xenopus laevis) [TaxId:8355] [47124] (23 PDB entries) |
![]() | Species Baker's yeast (Saccharomyces cerevisiae) [TaxId:4932] [68986] (1 PDB entry) |
![]() | Species Chicken (Gallus gallus), erythrocytes [TaxId:9031] [47123] (7 PDB entries) |
![]() | Species Mouse(Mus musculus), H3.1 [TaxId:10090] [140395] (2 PDB entries) |
![]() | Histone H4 [47125] (4 species) |
![]() | Species African clawed frog (Xenopus laevis) [TaxId:8355] [47127] (28 PDB entries) |
![]() | Species Baker's yeast (Saccharomyces cerevisiae) [TaxId:4932] [68987] (1 PDB entry) |
![]() | Species Chicken (Gallus gallus), erythrocytes [TaxId:9031] [47126] (5 PDB entries) |
![]() | Species Mouse (Mus musculus) [TaxId:10090] [47128] (1 PDB entry) |
![]() | macro-H2A.1, histone domain [140396] (1 species) |
![]() | Species Human (Homo sapiens) [TaxId:9606] [140397] (2 PDB entries) |
Timeline for Family a.22.1.1: Nucleosome core histones: