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Tag or fusion partner | size | location | expression | secretion | purification | detection |
His-tag | 6 or 10 aa | N, C, internal | X | X | ||
Flag-tag | 8 aa | N, C | X | |||
T7-tag | 11 or 16 aa | N, internal | X | X | ||
S-tag | 15 aa | N, C, internal | X | X | ||
HSV-tag | 11 aa | C | X | |||
B-tag (VP7 protein region of bluetongue virus) | X | |||||
Strep-tag | X | X | ||||
polyarginine | 5-15 aa | C | (refolding) | X | ||
polycysteine | 4 aa | N | X | |||
polyphenylalanine | 11 aa | N | X | |||
polyaspartic acid | 5-16 aa | C | X | |||
(Ala-Trp-Trp-Pro)n | X | |||||
Thioredoxin | 109 aa (11.7 kDa) |
N, C | X | X | ||
b-Galactosidase | 116 kDa | N, C | X | X | X | |
Chloramphenicol acetyltransferase | 24 kDa | N | X | X | X | |
Cyclomaltodextrin gluconotransferase | X | |||||
CTP:CMP-3-deoxy-D-manno-octulosonate cytidyltransferase (CKS) | X | |||||
trpE or trpLE | 27 kDa | N | X | X | ||
Avidin | X | X | X | |||
Streptavidin | X | X | X | |||
T7 gene 10 | 260 aa | N | X | X | ||
T4 gp55 | X | |||||
Staphylococcal protein A | 14 (or 31) kDa | N | X | X | X | |
Streptococcal protein G | 28 kDa | N, C | X | X | X | |
Glutathione-S-transferase (GST) | 26 kDa | N | X | X | ||
Dihydrofolate reductase (DHFR) | 25 kDa | N | X | |||
Cellulose-binding domain (CBP) | 107, 114 or 156 aa | N, C | X | X | ||
Maltose-binding domain (MBP) | 40 kDa | N, C | X | X | X | |
Galactose-binding domain | X | |||||
Calmodulin-binding domain (CBP) | 4 kDa | N, C | X | X | ||
Chitin-binding domain | N, C | X | ||||
Hemagglutinin influenza virus (HAI epitope) | X | X | ||||
Green fluorescent protein (GFP) | 220 aa | N, C | X | |||
KSI | 125 aa | N | X | |||
c-myc | X | X | ||||
OmpT | 22 aa | N | X | |||
OmpA | 21 aa | N | X | |||
PelB | 20 aa | N | X | |||
Disulfide oxidoreductase (DsbA) | 208 aa | N | X | X | ||
Disulfide isomerase (DsbC) | 236 aa | N | X | X | ||
NusA | 495 aa | N | X | |||
Ubiquitin | 76 aa | N | X | |||
lac-repressor | X | |||||
Growth hormone N-terminus | X | |||||
Hemolysin A (E. coli) | X | |||||
cII protein | X |