Purity: > 90% by SDS - PAGE Format: Liquid. In 20mM Tris-HCl buffer (pH 8.0) containing 0.15M NaCl, 20% glycerol, 1mM DTT. . GTSF1 belongs to the uPF0224 (FAM112) family and contains 1 CHHC-type zinc finger. Recombinant human GTSF1 protein fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.