>2RG7_1|Chains A, B, C, D|Periplasmic HEME binding protein|Shigella dysenteriae (622) AAERIVVAGGSLTELIYAMGAGERVVGVDETTSYPPETAKLPHIGYWKQLSSEGILSLRPDSVITWQDAGPQIVLDQLRAQKVNVVTLPRVPATLEQMYANIRQLAKTLQVPEQGDALVTQINQRLERVQQNVAAKKAPVKAMFILSAGGSAPQVAGKGSVADAILSLAGAENVATHQQYKSYSAESLIAANPEVIVVTSQMVDGDINRLRSIAGITHTAAWKNQRIITVDQNLILGMGPRIADVVESLHQQLWPQ