S Component	PDB	Vector
BioY	4DVE	153–182
FolT	4Z7F	7–131
HMP	4HZU	51–133
NikM	4M58	77–158
NikM_ΔC	4M5B	77–158
PanT	4RFS	162–192
RibU	3P5N	49–129
ThiT	3RLB	123–171
YkoE	5EDL	39–59
YkoE_ΔC		39–59