Assertion: hemoglobin's iron atom | /r/HasProperty | coordinated to four sulfur atoms
Facets:
value: from cysteine residues
type: LOCATION
value: in the surrounding peptide chains
type: LOCATION
Source sentences:
text: The simplest of such compounds is rubredoxin, which has only one iron atom coordinated to four sulfur atoms from cysteine residues in the surrounding peptide chains.