The Neisseriaceaebacteria family extract heame from the haemoglobin of its host, the HpuA protein is part of this system. Here, the authors report crystal structures of apo- and haemoglobin-bound HpuA and analyse mutants to examine the interaction between HpuA and haemoglobin.
- Chi T. Wong
- Yingqi Xu
- Stephen A. Hare