Stable Isotopes for NMR & MS

• Calbindin-d9k: Vitamin D-dependent Calcium-Binding protein
• Calcium loaded (Ca and Ln loaded also available on request)
• Protein size: 8.5 kDa
• Labeling: ¹³C, ¹⁵N, D
• Concentration: 1 mM
• H₂O/D₂O: 90/10, pH: 6.0
• Protein supplied in a 3 mm NMR tube sealed under Argon

• Maltose Binding Protein (Recombinant MBP)
• Size: 40.3 kDa
• Residues: 27-392 with T28I mutation
• Protein conc.: 1 mM
• Labeling: ¹³C, ¹⁵N, D
• 20 mM Phosphate, pH: 7.2, Maltotriose: 3 mM, NaN₃: 3 mM, Pefabloc: 50 µM

• Maltose Binding Protein (Recombinant MBP)
• Size: 40.3 kDa
• Residues: 27-392 with T28I mutation
• Protein conc.: 1 mM
• Labeling: ¹³C, ¹⁵N, D
• 20 mM Phosphate, pH: 7.2, Maltotriose: 3 mM, NaN₃: 3 mM, Pefabloc: 50 µM

• SRC Homology 3 domain (SH3)
• Number of residues: 62
• Protein size: 5.6 kDa
• Labeling: ¹³C, ¹⁵N, D
• Protein conc.: 1 mM, 50 mM Phosphate, pH 7.0
• Stable for more than 2 years at 4°C

• SRC Homology 3 domain (SH3)
• Number of residues: 62
• Protein size: 5.6 kDa
• Labeling: ¹³C, ¹⁵N, D
• Protein conc.: 1 mM, 50 mM Phosphate, pH 7.0
• Stable for more than 2 years at 4°C

• Full Length Ubiquitin (Residue 1-76)
• Protein size: 6.8 kDa
• Labeling: ¹³C, ¹⁵N, D
• Protein conc.: 1 mM, 50 mM Phosphate, pH 7.0, H₂O/D₂O: 90/10

• Full Length Ubiquitin (Residue 1-76)
• Protein size: 6.8 kDa
• Labeling: ¹³C, ¹⁵N, D
• Protein conc.: 1 mM, 50 mM Phosphate, pH 7.0, H₂O/D₂O: 90/10