| Code | Name | ID | MW | PDB ID | Crystallographer | Purification |
|---|---|---|---|---|---|---|
| SO3 | sulfite ion | CPX_52010_52016 | 50,457.77 kDa | 6W4H | George Minasov | Monica Rosas-Lemus (NU) |
| SO4 | sulfate ion | IDP02729 | 41,868.80 kDa | 3SS6 | Spencer Anderson | Olena Onopriyenko (UT) |
| SO4 | sulfate ion | IDP04432 | 65,621.07 kDa | 3OWA | Youngchang Kim | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP02573 | 26,989.40 kDa | 3ICC | Jing Hou | Elena Gordon (UT) |
| SO4 | sulfate ion | IDP02135 | 26,336.10 kDa | 5EVC | Natalia Maltseva | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP04345 | 27,646.50 kDa | 3PNS | Natalia Maltseva | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP90555 | 36,068.11 kDa | 3M5W | Youngchang Kim | Min Zhou (ANL) |
| SO4 | sulfate ion | IDP02453 | 20,316.45 kDa | 3IGJ | Youngchang Kim | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP04643 | 37,763.73 kDa | 3M84 | Natalia Maltseva | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP01205 | 44,576.63 kDa | 3OS6 | Marcin Domagalski | Olena Onopriyenko (UT) |
| SO4 | sulfate ion | IDP00895 | 24,446.30 kDa | 3IR4 | George Minasov | Olena Onopriyenko (UT) |
| SO4 | sulfate ion | IDP95086 | 31,948.14 kDa | 5UXC | Peter Stogios | Tatiana Skarina (UT) |
| SO4 | sulfate ion | IDP90996 | 18,853.30 kDa | 4DYU | Kemin Tan | Minyi Gu (ANL) |
| SO4 | sulfate ion | IDP91761 | 38,771.07 kDa | 4E94 | Boguslaw Nocek | Boguslaw Nocek (ANL) |
| SO4 | sulfate ion | IDP01334 | 40,940.31 kDa | 3EGJ | Jerzy Osipiuk | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP05469 | 185.20 kDa | 4O4A | George Minasov | James Winsor (NU) |
| SO4 | sulfate ion | IDP01334 | 40,940.31 kDa | 3IV8 | Jerzy Osipiuk | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP00699 | 54,568.02 kDa | 4ZWL | Andrei Halavaty | Andrei Halavaty (NU) |
| SO4 | sulfate ion | IDP00060 | 16,507.41 kDa | 5F6Q | Natalia Maltseva | Natalia Maltseva (ANL) |
| SO4 | sulfate ion | IDP01486 | 23,185.92 kDa | 3JR2 | Boguslaw Nocek | Natalia Maltseva (ANL) |