Table 1.

The Ocr variants examined in this work

Mutant name	Changes to wild-type amino acid sequence
Mut1	D12N, E16Q, E20Q, D25N, D26N
Mut2	D25C, D26N, D29N, D31N, D32N, D35N
Mut3	E59Q, D62N, E64Q, E66Q, D67N, D73C
Mut4	D92N, E95Q, D96N, E98Q, D99N
Mut12	E59Q, D62N, E64Q, E66Q, D67N
Mut7	Mut2 + Mut4
Mut10	Mut2 + Mut4 + Mut12
Mut11	Mut2 + Mut12
Mut13	Mut4 + Mut12
Mut16	Mut1 + Mut12
Ocr99	Deletion of C-terminal amino acids 99–116
Ocr109	Deletion of C-terminal amino acids 109–116
Ocr/POcr	D76N, E87Q, D92N, E95Q, D96N, E98Q, D99N, E103Q, E106Q, E107Q, E109Q, E110Q, E112Q, E113Q, D114N, E115Q, E116Q
POcr	All 34 Asp and Glu changed to Asn and Gln, respectively.

The Ocr99 and Ocr109 variants have been described previously (14).