Enzymes

Human recombinant histone octamer consisting of 2 molecules each of histones H2A (a.a. 2-130(end)), H2B (a.a. 2-126(end)), H3 (a.a. 2-137(end)), and H4 (a.a. 2-103(end)), expressed in an E. coli expression system. GenBank Accession Nos. are NM_033445, NM_003528, NM_003532, and NM_003548, respectively. Each histone protein has an N-terminal His-tag. Global MW = 113.8 kDa.

Human recombinant nucleosomes consisting of 147 bp DNA (PCR) and 2 molecules each of histones H2A (a.a. 2-130(end)), H2B (a.a. 2-126(end)), H3 (a.a. 2-137(end)), and H4 (a.a. 2-103(end)), expressed in an E. coli expression system. GenBank Accession Nos. are NM_033445, NM_003528, NM_003532, and NM_003548, respectively. Each histone protein has an N-terminal His-tag. Total histone MW = 113.8 kDa.

Native nucleosome purified from human HeLa cells.

Human recombinant histone octamer consisting of 2 molecules each of histones H2A (a.a. 1-130(end)), H2B (a.a. 1-126(end)), H3 (a.a. 1-136(end)), and H4 (a.a. 1-103(end)), expressed in an E. coli expression system. GenBank Accession Nos. are NM_033445, NM_003528, NM_003532, and NM_003548, respectively. Global MW = 110 kDa.

Biotinylated Human Histone 3, GenBank Accession No. NM_003532, a.a. 2-136(end) with N-terminal Met-Ala-Cys-6xHis-tag (C97A,C111A). MW = 16.3 kDa, expressed in an E. coli expression system.

Human recombinant nucleosomes consisting of 147 bp DNA (PCR) and 2 molecules each of histones H2A (a.a. 2-130(end)), H2B (a.a. 2-126(end)), H3 (a.a. 2-137(end)), and H4 (a.a. 2-103(end)), expressed in an E. coli expression system. GenBank Accession Nos. are NM_033445, NM_003528, NM_003532, and NM_003548, respectively. Each histone protein has an N-terminal His-tag. Each H2B has a C-terminal Cys added as a biotinylation site. Total histone MW (before biotinylation) =113.8 kDa.

Biotinylated Human Histone 2A, GenBank Accession No. NM_033445, a.a. 2-130(end) with N-terminal His-tag and C-terminal Cys. MW = 15 kDa, expressed in an E. coli expression system.

Biotinylated Human Histone 3, GenBank Accession No. NM_003532, a.a. 2-136(end) with N-terminal Met-Ala-Cys-6xHis-tag (C97A,C111A). MW = 16.3 kDa, expressed in an E. coli expression system.

Human Protein Arginine Methyltransferase 9 (PRMT9), GenBank Accession No. NM_138364, a.a. 2-845, with an N-terminal FLAG-tag and a C-terminal Strep-tag, expressed in an SF9 insect cell expression system. MW = 97 kDa.