Table 1A.
Enzymatic activity of recombinant ATG4.1 and ATG4.2 towards fluorogenic Abz-X-X-X-X-Q-EDDnp substrates (25 μM). Values are the means ± SE.
ATG8 homologue with sequence |
Substrates | Specific Activities (nmoles.min−1 mg protein−1) |
|
---|---|---|---|
ATG4.1 | ATG4.2 | ||
Hs-MAP-LC3 | Abz-T-F-G-M-Q-EDDnp | 99.4 ± 9.2 | 59.0 ± 3.2 |
ATG8 | Abz-T-Y-G-G-Q-EDDnp | 23.5 ± 7.7 | <5 |
Abz-T-Y-A-G-Q-EDDnp | 111.6 ± 7.9 | <5 | |
ATG8A | Abz-S-M-G-A-Q-EDDnp | 47.0 ± 9.2 | <5 |
ATG8B | Abz-A-M-G-A-Q-EDDnp | 311. 6 ± 8.2 | 144.5 ± 3.4 |
ATG8B | Abz-A-M-G-G-Q-EDDnp | 28.1 ± 3.4 | <5 |
Abz-A-M-A-A-Q-EDDnp | 149.7 ± 3.8 | 22.3 ± 3.5 | |
ATG8B | Abz-I-A-G-L-Q-EDDnp | 163.4 ± 4.2 | 83.7 ± 5.8 |
Abz-I-A-A-L-Q-EDDnp | 152.0 ± 6.2 | 83.5 ± 7.3 | |
ATG8C | Abz-C-M-G-A-Q-EDDnp | 128.9 ± 4.8 | 65.3 ± 8.4 |