FUM Query on FUM
Download Ideal Coordinates CCD File 
| F [auth A], K [auth B], N [auth C] | FUMARIC ACID C4 H4 O4 VZCYOOQTPOCHFL-OWOJBTEDSA-N | ![](https://cdn.rcsb.org/images/ccd/unlabeled/F/FUM.svg) | |
PO4 Query on PO4
Download Ideal Coordinates CCD File 
| G [auth A], L [auth B], O [auth C], S [auth D] | PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K | ![](https://cdn.rcsb.org/images/ccd/unlabeled/P/PO4.svg) | |
EDO Query on EDO
Download Ideal Coordinates CCD File 
| H [auth A], I [auth A], P [auth C], Q [auth C], T [auth D] | 1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N | ![](https://cdn.rcsb.org/images/ccd/unlabeled/E/EDO.svg) | |
K Query on K
Download Ideal Coordinates CCD File 
| E [auth A], J [auth B], M [auth C], R [auth D] | POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N | ![](https://cdn.rcsb.org/images/ccd/unlabeled/K/K.svg) | |