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Figure 4
Depiction of hydrophilic (a) and hydrophobic (b) residues in the heme d1-binding pocket. Amino acids are shown as sticks (heme d1-free NirS, green) or lines (heme d1-bound NirS, magenta; NirSH327A, yellow; dihydro-heme d1-bound NirS, cyan). Residues with alternative conformations are marked with an asterisk (*). The position of heme d1 inside the binding pocket is shown as a thin outline. (c) shows the movement of the loops associated with Trp498 narrowing the binding pocket of heme d1-free NirS after binding a d1-type heme

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 76| Part 6| June 2020| Pages 250-256
https://doi.org/10.1107/S2053230X20006676
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