Aminoácidos Unidad de las proteínas. Isómeros Clasificación Esenciales Valina (Val) Leucina (Leu) Isoleucina (Ile) Fenilalanina (Phe) Metionina (Met)

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Presentation transcript:

Aminoácidos Unidad de las proteínas

Isómeros

Clasificación Esenciales Valina (Val) Leucina (Leu) Isoleucina (Ile) Fenilalanina (Phe) Metionina (Met) Treonina (Thr) Lisina (Lys) Triptófano (Trp) Arginina (Arg) Histidina (His) No esenciales Alanina (Ala) Prolina (Pro) Glicina (Gly) Serina (Ser) Cisteina (Cys) Asparagina (Asn) Glutamina (Gln) Tirosina (Tyr) Ácido aspártico (Asp) Ácido glutámico (Glu)

Propiedades generales serina, treonina, cisteína, tirosina, asparagina y glutamina. Neutros polares, hidrofílicos glicina, alanina, valina, leucina, isoleucina, metionina, prolina, fenilalanina y triptófano. Neutros no polares hidrófobos ácido aspártico y ácido glutámico Carga negativa lisina, arginina e histidina Carga positiva

Propiedades químicas Anfóteros. Pueden ceder o captar electrones dependiendo del pH de la solución en la que se encuentren. ◦ Ácida: captan protones y se comportan como una base. ◦ Básica, ceden protones y se comportan como un ácido.