| 1AXC | C:1-255; A:1-255; E:1-255 | HUMAN PCNA |
| 1U76 | C:1-257; A:1-257; E:1-259 | CRYSTAL STRUCTURE OF HPCNA BOUND TO RESIDUES 452-466 OF THE DNA POLYMERASE-DELTA-P66 SUBUNIT |
| 1U7B | A:1-255 | CRYSTAL STRUCTURE OF HPCNA BOUND TO RESIDUES 331-350 OF THE FLAP ENDONUCLEASE-1 (FEN1) |
| 1UL1 | C:1-255; A:1-259; B:1-258 | CRYSTAL STRUCTURE OF THE HUMAN FEN1-PCNA COMPLEX |
| 1VYJ | A:1-257; C:1-257; E:1-257; I:1-257; K:1-257; G:1-260 | STRUCTURAL AND BIOCHEMICAL STUDIES OF HUMAN PCNA COMPLEXES PROVIDE THE BASIS FOR ASSOCIATION WITH CDK/CYCLIN AND RATIONALE FOR INHIBITOR DESIGN |
| 1VYM | A:1-256; B:1-256; C:1-256 | NATIVE HUMAN PCNA |
| 1W60 | A:1-255; B:1-255 | NATIVE HUMAN PCNA |
| 2ZVK | C:1-257; A:1-255; B:1-254 | CRYSTAL STRUCTURE OF PCNA IN COMPLEX WITH DNA POLYMERASE ETA FRAGMENT |
| 2ZVL | B:1-255; A:1-255; E:1-255; F:1-255; C:1-255; D:1-255 | CRYSTAL STRUCTURE OF PCNA IN COMPLEX WITH DNA POLYMERASE KAPPA FRAGMENT |
| 2ZVM | B:1-255; A:1-255; C:1-256 | CRYSTAL STRUCTURE OF PCNA IN COMPLEX WITH DNA POLYMERASE IOTA FRAGMENT |
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