2AAZ | I:16-317; J:16-317; C:13-317; D:13-317; E:13-317; F:13-317; G:13-317; H:13-317; K:16-317; L:16-317; M:16-317; N:16-317; O:16-317; P:16-317; A:13-317; B:13-317 | CRYPTOCOCCUS NEOFORMANS THYMIDYLATE SYNTHASE COMPLEXED WITH SUBSTRATE AND AN ANTIFOLATE |