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HTAY

Gene
HTAY
Protein
Histone H2A.Y
Organism
Tetrahymena thermophila (strain SB210)
Length
388 amino acids
Function
Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling (By similarity).
Similarity
Belongs to the histone H2A family.
Mass
43.187 kDa
Sequence
MSTDQEKIIKQVLDSIAEQQGDSRDDEVYVIEIMSLRFEKFDNRIKQKIERFTSLQMLTINDCLISDLTNFPHVPSLIRLDLVFNKITGDQLQYLRGSRHLQTLMLGANQIEEIEDLKRLGQMRELIQLDLLNNPVVNTNNYRNLVFNLFPSLVILDTLDKNGIDQEKAALDISASRVPDNLFDKSKPVQNVSKQVVKNAKATQNNLFSSTQKVAQVKQIPKIVPAKVSKPSQASVQDNKSNVVQAKVTAAVSVGRKAPASRNGGVPSKAGKGKMNAFSKQSTSQKSGLVFPCGRLRRYLKQACKQFRVSSSCNIYLAGVLEYLAAEVLETAGNIAKNNRLSRINPVHIREAFRNDAELNQFVNGTIIAEGGSTSTNFVLPIINKSKK