Porphyrins which are combined with a metal ion. The metal is bound equally to all four nitrogen atoms of the pyrrole rings. They possess characteristic absorption spectra which can be utilized for identification or quantitative estimation of porphyrins and porphyrin-bound compounds.
ID
http://purl.bioontology.org/ontology/MESH/D008665
AN
pigments (porphyrins) "combined with a metal ion"; iron porphyrins = HEME or HEMIN, magnesium porphyrins = CHLOROPHYLL
AQL
AD AE AG AI AN BL CF CH CL CS EC GE HI IM IP ME PD PH PK PO RE SD ST TO TU UR
cui
C0025541
DC
1
definition
Porphyrins which are combined with a metal ion. The metal is bound equally to all four nitrogen atoms of the pyrrole rings. They possess characteristic absorption spectra which can be utilized for identification or quantitative estimation of porphyrins and porphyrin-bound compounds.