>4NKP_1|Chains A, B, C, D|putative extracellular heme-binding protein|Desulfovibrio piger (411464) GATLENETAGAIVREPVLTGEQAQAMVEVVMHEARESGHAVTVTVVDRSGQILAVLRDHHAGVHTLNASYKKAYTAASQKRETVAIARGIRDGSIPSDIRYLDPNFSLMEGGIPIILENVVVGGIGVGGAHGSEDGRLARIGLLVLQH