| 1AV8 | A:1-340; B:1-340 | RIBONUCLEOTIDE REDUCTASE R2 SUBUNIT FROM E. COLI |
| 1JPR | B:1-341; A:1-340 | MN SUBSTITUTED RIBONUCLEOTIDE REDUCTASE R2 FROM E. COLI OXIDIZED BY NITRIC OXIDE |
| 1JQC | B:1-341; A:1-340 | MN SUBSTITUTED RIBONUCLEOTIDE REDUCTASE R2 FROM E. COLI OXIDIZED BY HYDROGEN PEROXIDE AND HYDROXYLAMINE |
| 1MXR | A:1-339; B:1-339 | HIGH RESOLUTION STRUCTURE OF RIBONUCLEOTIDE REDUCTASE R2 FROM E. COLI IN ITS OXIDISED (MET) FORM |
| 1PFR | A:1-340; B:1-340 | RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 1 BETA CHAIN |
| 1RSR | B:1-341; A:1-340 | AZIDE COMPLEX OF THE DIFERROUS F208A MUTANT R2 SUBUNIT OF RIBONUCLEOTIDE REDUCTASE |
| 1RSV | B:1-341; A:1-340 | AZIDE COMPLEX OF THE DIFERROUS E238A MUTANT R2 SUBUNIT OF RIBONUCLEOTIDE REDUCTASE |
| 1XIK | B:1-341; A:1-340 | RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 1 BETA CHAIN |
| 2AV8 | A:1-340; B:1-340 | Y122F MUTANT OF RIBONUCLEOTIDE REDUCTASE FROM ESCHERICHIA COLI |
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