|  | Class a: All alpha proteins [46456] (202 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] (3 families)  | 
|  | Family a.22.1.1: Nucleosome core histones [47114] (4 proteins) form octamers composed of two copies of each of the four histones | 
|  | Protein Histone H2B [47119] (3 species) | 
|  | Species African clawed frog (Xenopus laevis) [TaxId:8355] [47121] (20 PDB entries) | 
|  | Domain d1kx4h_: 1kx4 H: [77592] Other proteins in same PDB: d1kx4a_, d1kx4b_, d1kx4c_, d1kx4e_, d1kx4f_, d1kx4g_ complexed with cl, mn | 
PDB Entry: 1kx4 (more details), 2.6 Å
SCOP Domain Sequences for d1kx4h_:
Sequence; same for both SEQRES and ATOM records: (download)
>d1kx4h_ a.22.1.1 (H:) Histone H2B {African clawed frog (Xenopus laevis)}
trkesyaiyvykvlkqvhpdtgisskamsimnsfvndvferiageasrlahynkrstits
reiqtavrlllpgelakhavsegtkavtkytsak
Timeline for d1kx4h_: