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Tetrapyrrole

Index Tetrapyrrole

Tetrapyrroles are a class of chemical compounds that contain four pyrrole or pyrrole-like rings. [1]

30 relations: Bilin (biochemistry), Bilirubin, Biliverdin, Biochemistry, Chemical compound, Chlorin, Chlorophyll, Chlorophyll a, Chromophore, Cobalamin, Cobalt, Conjugated system, Coordination complex, Corrin, Cyanobacteria, Dinoflagellate, Functional group, Heme, Hemoglobin, Krill, Luciferin, Macrocycle, Methine group, Methylene bridge, Phycobilin, Phycoerythrobilin, Porphine, Porphyrin, Pyrrole, Uroporphyrinogen III.

Bilin (biochemistry)

Bilins, bilanes or bile pigments are biological pigments formed in many organisms as a metabolic product of certain porphyrins.

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Bilirubin

Bilirubin is a yellow compound that occurs in the normal catabolic pathway that breaks down heme in vertebrates.

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Biliverdin

Biliverdin is a green tetrapyrrolic bile pigment, and is a product of heme catabolism.

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Biochemistry

Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms.

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Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.

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Chlorin

In organic chemistry, a chlorin is a large heterocyclic aromatic ring consisting, at the core, of three pyrroles and one pyrroline coupled through four CH- linkages.

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Chlorophyll

Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants.

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Chlorophyll a

Chlorophyll a is a specific form of chlorophyll used in oxygenic photosynthesis. It absorbs most energy from wavelengths of violet-blue and orange-red light. It also reflects green-yellow light, and as such contributes to the observed green color of most plants. This photosynthetic pigment is essential for photosynthesis in eukaryotes, cyanobacteria and prochlorophytes because of its role as primary electron donor in the electron transport chain. Chlorophyll a also transfers resonance energy in the antenna complex, ending in the reaction center where specific chlorophylls P680 and P700 are located.

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Chromophore

A chromophore is the part of a molecule responsible for its color.

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Cobalamin

Cobalamin (Cbl) is a general term that is referred to a number of compounds, that have cobalt ion in the middle, hence the name of the compound.

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Cobalt

Cobalt is a chemical element with symbol Co and atomic number 27.

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Conjugated system

In chemistry, a conjugated system is a system of connected p-orbitals with delocalized electrons in molecules which are conventionally represented as having alternating single and multiple bonds, which in general may lower the overall energy of the molecule and increase stability.

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Coordination complex

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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Corrin

Corrin is a heterocyclic compound.

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Cyanobacteria

Cyanobacteria, also known as Cyanophyta, are a phylum of bacteria that obtain their energy through photosynthesis, and are the only photosynthetic prokaryotes able to produce oxygen.

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Dinoflagellate

The dinoflagellates (Greek δῖνος dinos "whirling" and Latin flagellum "whip, scourge") are a large group of flagellate eukaryotes that constitute the phylum Dinoflagellata.

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Functional group

In organic chemistry, functional groups are specific substituents or moieties within molecules that are responsible for the characteristic chemical reactions of those molecules.

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Heme

Heme or haem is a coordination complex "consisting of an iron ion coordinated to a porphyrin acting as a tetradentate ligand, and to one or two axial ligands." The definition is loose, and many depictions omit the axial ligands.

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Hemoglobin

Hemoglobin (American) or haemoglobin (British); abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae) as well as the tissues of some invertebrates.

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Krill

Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans.

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Luciferin

Luciferin (from the Latin lucifer, "light-bringer") is a generic term for the light-emitting compound found in organisms that generate bioluminescence.

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Macrocycle

Macrocycles are often described as a molecule containing twelve or more atoms with at least one large ring.

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Methine group

In chemistry, methine is a trivalent functional group.

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Methylene bridge

In organic chemistry, a methylene bridge, methylene spacer, or methanediyl group is any part of a molecule with formula --; namely, a carbon atom bound to two hydrogen atoms and connected by single bonds to two other distinct atoms in the rest of the molecule.

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Phycobilin

Phycobilins (from Greek: φύκος (phykos) meaning "alga", and from Latin: bilis meaning "bile") are light-capturing bilins found in cyanobacteria and in the chloroplasts of red algae, glaucophytes and some cryptomonads (though not in green algae and plants).

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Phycoerythrobilin

Phycoerythrobilin is a red phycobilin, i.e. an open tetrapyrrole chromophore found in cyanobacteria and in the chloroplasts of red algae, glaucophytes and some cryptomonads.

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Porphine

Porphine is the parent chemical compound for types of biochemically significant compounds called porphyrins.

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Porphyrin

Porphyrins (/phɔɹfɚɪn/ ''POUR-fer-in'') are a group of heterocyclic macrocycle organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (.

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Pyrrole

Pyrrole is a heterocyclic aromatic organic compound, a five-membered ring with the formula C4H4NH.

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Uroporphyrinogen III

Uroporphyrinogen III is a tetrapyrrole, the first macrocyclic intermediate in the biosynthesis of heme, chlorophyll, vitamin B12, and siroheme.

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Tetrapyrole, Tetrapyrroles, Tetrapyrrolic.

References

[1] https://en.wikipedia.org/wiki/Tetrapyrrole

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