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. 2005 Feb 17;329(3):934–940. doi: 10.1016/j.bbrc.2005.02.061

Table 2.

Enzyme cleavage activities of truncated substrate peptides

Substrate Sequencea Apparent kcat/Km (mM−1 min−1)b (kcat/Km)rel
S12 SAVLQ ↓ SGF-CONH2 7.85 ± 0.30 1.00
S13 AVLQ ↓ SG-CONH2 1.19 ± 0.03 0.152
S14 VLQ ↓ SG-CONH2 0.148 ± 0.006 0.0189
S15 AVLQ ↓ S-CONH2 1.01 ± 0.02 0.129
S16 VLQ ↓ S-CONH2 0.131 ± 0.006 0.0167
S17 AVLQ ↓ SGF-CONH2 5.99 ± 0.08 0.763
S18 LQ ↓ SG-CONH2 0.013 ± 0.004 0.0017
a

Cleavage sites are indicated by ↓.

b

The concentration of SARS 3C-like proteinase is 7.41 μM.