Table 1:
Nomenclature of the eleven mammalian H1 subtypes
| Class | Human | Mouse | Expression—cell type | Expression—timing |
|---|---|---|---|---|
| Mitotic linker histone | H1X | H1X | Somatic cells [6] | Replication-independent [1] |
| Replacement linker histone | H1.0 | H1f0/H10 | Terminally differentiated cells [1] | Replication-independent [1] |
| Somatic linker histones | H1.1 | H1a | Somatic cells [1] | Replication-dependent, during S-phase [1, 2] |
| H1.2 | H1c | |||
| H1.3 | H1d | |||
| H1.4 | H1e | |||
| H1.5 | H1b | |||
| Germ cell linker histones | H1t/H1.6 | H1t | Spermatids/spermatocytes (testes-specific) [1, 46] | |
| H1T2/H1.7 | H1t2 | |||
| TISP64/H1.9/HILS1 | TISP64 | |||
| H1oo/H1.8 | H1oo | Oocytes [1] |