Histone H1

linker histone H1 and H5 family
PDB rendering of HIST1H1B based on 1ghc.
Identifiers
Symbol	Linker_histone
Pfam	PF00538
InterPro	IPR005818
SMART	SM00526
SCOP2	1hst / SCOPe / SUPFAM
Available protein structures: Pfam   structures / ECOD   PDB RCSB PDB; PDBe; PDBj PDBsum structure summary PDB 1ghc​, 1hst​, 1uhm​, 1uss​, 1ust​, 1yqa​

Histone H1 is one of the five main histone protein families which are components of chromatin in eukaryotic cells. Though highly conserved, it is nevertheless the most variable histone in sequence across species.