2BJ1 | A:51-132 | NIKR IN OPEN CONFORMATION AND NICKEL BOUND TO HIGH-AFFINITY SITES |
2BJ3 | A:51-136; B:51-138; C:51-138; D:51-134 | NIKR-APO |
2BJ7 | A:51-137; B:51-138 | NIKR IN CLOSED CONFORMATION AND NICKEL BOUND TO HIGH-AFFINITY SITES |
2BJ8 | A:51-137; B:51-138 | NIKR IN CLOSED CONFORMATION AND NICKEL BOUND TO HIGH AND LOW-AFFINITY SITES |