Figure 5

The M. tb ICDs are NADP⁺ dependent. Coenzyme specificity of M. tb ICD-1(a) and M. tb ICD-2 (b) was assayed in presence of NADP⁺ and NAD⁺ as coenzymes. The activity curves clearly indicate that M. tb ICD-1 as well as M. tb ICD-2 are NADP⁺ dependent enzymes.