| Code | Name | ID | MW | PDB ID | Crystallographer | Purification |
|---|---|---|---|---|---|---|
| SCN | thiocyanate ion | IDP05606 | 33,481.78 kDa | 3TL2 | Bartek Blus | Marina Kudritska (UT) |
| TPP | thiamine diphosphate | IDP90564 | 69,622.32 kDa | 3M7I | Boguslaw Nocek | Magdalena Makowska-Grzyska (ANL) |
| TPP | thiamine diphosphate | IDP90564 | 69,622.32 kDa | 3M34 | Boguslaw Nocek | Magdalena Makowska-Grzyska (ANL) |
| TPP | thiamine diphosphate | IDP90564 | 69,622.32 kDa | 3M6L | Boguslaw Nocek | Magdalena Makowska-Grzyska (ANL) |
| TDP | thiamin diphosphate | IDP02454 | 72,395.74 kDa | 3M49 | Natalia Maltseva | Natalia Maltseva (ANL) |
| TES | testosterone | IDP95820 | 65,651.83 kDa | 6MDQ | Mateusz Czub | Karolina Majorek (UVA) |
| TTN | tartronate | IDP05761 | 46,004.31 kDa | 5TU0 | George Minasov | Albin Cardona-Correa (NU) |
| TTN | tartronate | IDP92786 | 14,743.02 kDa | 5IQJ | George Minasov | Tatiana Skarina (UT) |
| SIN | succinic acid | IDP90922 | 27,308.90 kDa | 4GFS | Sam Light | Sam Light (NU) |
| SIN | succinic acid | IDP95722 | 81,916.23 kDa | 5I0G | Sam Light | Sam Light (NU) |
| SIN | succinic acid | IDP00051 | 33,219.53 kDa | 3EDN | Spencer Anderson | Olena Onopriyenko (UT) |
| SIN | succinic acid | IDP00347 | 29,143.34 kDa | 3IST | Karolina Majorek | Olena Onopriyenko (UT) |
| SIN | succinic acid | IDP02135 | 26,336.10 kDa | 3S7Z | Natalia Maltseva | Natalia Maltseva (ANL) |
| SIN | succinic acid | IDP04633 | 49,360.77 kDa | 4EEI | Natalia Maltseva | Natalia Maltseva (ANL) |
| SIN | succinic acid | IDP91076 | 27,948.03 kDa | 5EUM | George Minasov | Olga Kiryukhina (NU) |
| SPM | spermine | IDP01616 | 20,658.20 kDa | 4R87 | Ekaterina Filippova | Olga Kiryukhina (NU) |
| CSX | S-OXY CYSTEINE | IDP97260 | 39,511.50 kDa | 6N9K | Jerzy Osipiuk | Ruiying Wu (ANL) |
| CSX | S-OXY CYSTEINE | IDP04461 | 38,526.32 kDa | 6CTY | Joanna Lipowska | James Winsor (NU) |
| CSX | S-OXY CYSTEINE | IDP04323 | 21,720.58 kDa | 3OT1 | Ewa Niedzialkowska | Tatiana Skarina (UT) |
| NA | Sodium ion | IDP01493 | 39,009.75 kDa | 5V0P | Heping Zheng | Jing Hou (UVA) |