Anti-NM23-H1 (H2) (Non-metastatic protein 23 homolog 1, NDKA)

NM23-H1 (Non-metastatic protein 23 homolog 1, also NDKA) is a 17-20kD member of the NDK family of enzymes. NM23-H1 is ubiquitous in expression, and performs multiple functions. It forms disulfide-linked homohexamers, and heterohexamers with NM23-H2, generating a nucleoside diphosphate kinase that catalyzes a phosphoryl transfer from ATP to a nucleoside diphosphate. It also shows histidine protein and Ser/Thr protein kinase activity, and forms covalent linkages with molecules diverse as p53 and STRAP. It is found both intracellularly, and in blood at ng/ml concentrations. Human NM23-H1 is 152 amino acids (aa) in length, contains one NDP kinase domain (aa 5-134) and shows acetylation at Ala2 and Lys56, plus phosphorylation at Tyr52, Thr94, Ser122 and Ser125. Human NM23-H1 shares 89% aa identity with human 17-18kD NM23-H2, and 94% aa identity with mouse NM23-H1. A second H1 , isoform named NM23-H1B with 25 additional aa at the N-terminus has also been described. Applications: Suitable for use in Western Blot. Other applications not tested. Recommended Dilutions: Western Blot: 0.2ug/ml, Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute by adding sterile buffer. Aliquot and store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.