Histone chaperone that stabilizes pre-existing histone tetramers and regulates replication-independent histone exchange on chromatin. Required for normal chromatin refolding in the coding region of transcribed genes, and for the suppression of spurious transcription. Global regulatory protein that plays positive as well as negative regulatory roles in transcription.

Belongs to the SPT2 family.

406 amino acids

MAGTPSFQKLMALADSQSAQAAVQIEQLRKAQIREKAREITEERNRQRKLQRERELRQKYEEEQRRQQAMEAKRIAASTRQTSERPPLSAEEAKRIREVKEKDRLESKKNERQGKPRSYNELLRQASSAPAVNETSSSGLLQSKDKRSQSPHSPKKPVKNSSSRDQPVRNSGATSTASLPPAGLRAGRGSQISASLAWLKTGGASAAPSNPRQPPPTSNFSNRKARYASNGLVQLQTGPKRDKRSAGEVQDEIMKRRQNSSISQAATPRTVSNSETSYVGSPALKQSKPNSLKSNNTSRKTSASSAITKPKARPHTSRHDEFVVSDDDELNDRVPDVSSEIWKIFGKRKQDYVSRDVFSDEDDMEATGHDVWREEQAAARAARLEDELEEQRERERELAKKRRKNK

45.6 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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