-
Tetrapyrroles are a
class of
chemical compounds that
contain four
pyrrole or pyrrole-like rings. The pyrrole/pyrrole
derivatives are
linked by (=(CH)-...
-
linear tetrapyrrole compound that,
along with the
related colorless compound urobilinogen, are
degradation products of the
cyclic tetrapyrrole heme. Urobilin...
- In
organic chemistry,
chlorins are
tetrapyrrole pigments that are
partially hydrogenated porphyrins. The
parent chlorin is an
unstable compound which undergoes...
- animals. In
these two examples, a
metal is
complexed at the
center of a
tetrapyrrole macrocycle ring: the
metal being iron in the heme
group (iron in a porphyrin...
-
synthesis of
fatty acids such as
palmitic acid, many
amino acids, and
tetrapyrrole compounds such as heme. In general,
leucoplasts are much
smaller than...
- red, yellow, purple, and brown.
Chlorophylls degrade into
colorless tetrapyrroles known as
nonfluorescent chlorophyll catabolites (NCCs). As the predominant...
- 1146/annurev.genet.31.1.61. PMID 9442890. Battersby, A. R. (2000). "
Tetrapyrroles: the
Pigments of Life. A
Millennium review". Nat. Prod. Rep. 17 (6):...
- blue, and the four-pyrrole
molecule looks green (like chlorophyll, a
tetrapyrrole). Like chlorophyll, the
pyrrole pigments are safe to eat. Upon cutting...
-
often abbreviated as PPIX.
Protoporphyrin IX
contains a
porphine core, a
tetrapyrrole macrocycle with a
marked aromatic character.
Protoporphyrin IX is essentially...
- β-barrel of the
dinoflagellate luciferase at pH 8 to
accommodate the
tetrapyrrole substrate but
there is no
opening to
allow the
substrate to enter. Therefore...
