Test 3: Crossword

5. A heptapeptide toxin from cyanobacteria – non ribosomal
7. The part of cell cycle consisting of G1, S, and G2 phases
9. A triskelion protein covering endocytic vesicles
10. A basic amino acid residue that accepts the core saccharide during glycosylation
12. A class of proteins serving as antibodiesiInterphase – the part of cell cycle consisting of G1, S, and G2 phases
15. A four amino acid motif localizing secretory proteins in the ER
16. When a protein obtains wrong conformation, it becomes ...
17. A cytokine that induces directional movement of cells towards its source
18. An alcohol serving as oligosaccharide carrier during the first step of N-glycosylation
19. A cytokine of innate response, the main mediator of antiviral response
20. A part of antigen matching antibody CDR
22. A CTL and NK cell toxin that induces apoptosis

1. Added to lysine residues of proteins to tag them for proteasomal degradation
2. An enzyme removing phosphate groups from proteins
3. P53 is the example of such gene
4. A double-membrane vesicle formed during autophagy
5. The phase of mitosis when chromosomes are most visible.
6. Proteins helping other proteins to fold
8. An aromatic amino acid residue that is an acceptor for phosphate added by protein kinases
11. Antibody that has the potential to block pathogen entry to the cells (USA spelling)
13. A sugar with the formula HOCH2(CHOH)4CHO, an epimer of glucose, added intensively in the ER during N-glycosylation
14. An activated B cell
17. An ER-resident chaperone for glycoproteins
21. Proteins that control the progression of a cell through the cell cycle