No. | Name | Evidence | Residues | Description |
01 | AC1 | SOFTWARE | ASP A:84 , GLN A:86 , HOH A:410 | BINDING SITE FOR RESIDUE CD A 185 |
02 | AC2 | SOFTWARE | ASP A:131 , SER A:135 | BINDING SITE FOR RESIDUE CD A 186 |
03 | AC3 | SOFTWARE | ASP A:42 , GLU A:49 , CYS A:52 | BINDING SITE FOR RESIDUE CD A 187 |
04 | AC4 | SOFTWARE | GLU A:134 , HOH A:358 | BINDING SITE FOR RESIDUE CD A 188 |
05 | AC5 | SOFTWARE | HIS A:118 , CYS A:130 , GLU A:134 | BINDING SITE FOR RESIDUE CD A 189 |
06 | AC6 | SOFTWARE | HIS A:136 , ASP A:139 | BINDING SITE FOR RESIDUE CD A 190 |
07 | NCL | UNKNOWN | GLU A:57 , GLU A:60 , GLU A:61 , GLU A:64 | PUTATIVE IRON CORE NUCLEATION SITE IN FERRITINS. |
08 | SS1 | UNKNOWN | CD A:185 | INTERMOLECULAR CRYSTAL CONTACT. THIS CADMIUM BRIDGE LINKS 2 SUBUNITS OF NEIGHBORING MOLECULES. |
09 | SS2 | UNKNOWN | CD A:186 , CD A:188 , CD A:189 | THESE CADMIUM ATOMS ARE OBSERVED ON OR NEAR THE CRYSTALLOGRAPHIC THREE-FOLD AXIS. RESIDUE 186 IS LOCATED ON THE AXIS AND THUS HAS AN OCCUPANCY OF 1/3. THE OTHER METAL IONS EXHIBIT DISORDER, WITH THE SITES BEING OCCUPIED ONE THIRD BY METAL AND TWO THIRDS BY WATER MOLECULES. |
10 | SS3 | UNKNOWN | CD A:187 | METAL BINDING SITE ON THE INNER SURFACE OF THE PROTEIN SHELL. THIS MAY NOT BE FUNCTIONALLY SIGNIFICANT SINCE THE LIGANDS OF THIS SITE (ASP 42, GLU 49, AND CYS 52) ARE NOT CONSERVED ACROSS THE FERRITINS. |