Edman degradation See Edman reagent

Edman reagent Phenyl isothiocyanate The classic method for sequence determination of peptides using sequential cleavage of the N-terminal residue after reaction with Edman reagent. The N-terminal amino acid is removed as a phenylthiohydantoin derivative.

EDRF Endothelium-derived relaxation factor; see nitric oxide.

EDTA Ethylenediaminetetraacetic acid. Often used as the disodium salt. Chelator of divalent cations; logi0 Kapp for calcium at pH 7 is 7.27 (5.37 for magnesium) See EGTA.

EDTA-light chain Myosin light chains (18 kDa) from scallop muscle (two per pair of heavy chains), easily extracted by calcium chelation. Although the EDTA-light chains do not bind calcium they confer calcium sensitivity on the myosin heavy chains.

Edwards syndrome Complex of abnormalities caused by trisomy 18.

EEA Abbrev. for (1) early endosome antigen 1 (EEA-1), (2) end-to-end anastomosis, a surgical procedure, (3) Euonymus europaeus agglutinin, a alpha-galactophilic lectin that binds the sugar moiety alpha Gal (1,3) beta Gal (1,4) GlcNAc, particularly on endothelial cells.

EEG Electroencephalograph; electroencephalogram Record of electrical activity of the brain obtained using external electrodes.

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Your Metabolism - What You Need To Know

Your Metabolism - What You Need To Know

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