Assertion: cytochrome's heme | /r/AtLocation | the protein
Facets:
value: covalently
type: MANNER
Source sentences:
text: SDS-PAGE analysis of the reaction product showed that heme was covalently attached to the protein (Fig. 1 , lanes d, right hand panel).
text: C-type cytochromes differ from other cytochromes in that the heme is attached to the protein covalently via two thioether linkages between the heme vinyls and two cysteine residues of a conserved CysXxxXxxCysHis (CXXCH) heme-binding motif.