2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside PROTEIN p4 inside PROTEIN p5 inside SIMPLE_MOLECULE Sulfate inside SIMPLE_MOLECULE Hydrogen_space_sulfide inside SIMPLE_MOLECULE L_minus_Serine inside SIMPLE_MOLECULE Sulfite inside SIMPLE_MOLECULE _space_3_space__minus_Phosphoadenylyl_space_sulfate inside SIMPLE_MOLECULE Adenylylsulfate inside SIMPLE_MOLECULE O_minus_Acetyl_minus_L_minus_serine inside SIMPLE_MOLECULE L_minus_Cysteine inside SIMPLE_MOLECULE Acetate STATE_TRANSITION Sulfite Hydrogen_space_sulfide c3 c1 STATE_TRANSITION Sulfate Adenylylsulfate c0 c5 STATE_TRANSITION _space_3_space__minus_Phosphoadenylyl_space_sulfate Sulfite c4 c3 STATE_TRANSITION L_minus_Serine O_minus_Acetyl_minus_L_minus_serine c2 c6 STATE_TRANSITION Adenylylsulfate _space_3_space__minus_Phosphoadenylyl_space_sulfate c5 c4 STATE_TRANSITION O_minus_Acetyl_minus_L_minus_serine L_minus_Cysteine c6 c1 c7 c8