| 1F9N | A:3-78; B:1-78; C:2-78; D:4-78; E:2-78; F:1-78 | CRYSTAL STRUCTURE OF AHRC, THE ARGININE REPRESSOR/ACTIVATOR PROTEIN FROM BACILLUS SUBTILIS |
| 2P5K | A: | CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF AHRC |
| 2P5L | C:2-64; H:2-64; D:2-64; G:2-64 | CRYSTAL STRUCTURE OF A DIMER OF N-TERMINAL DOMAINS OF AHRC IN COMPLEX WITH AN 18BP DNA OPERATOR SITE |