Structur secundar de tip foaie beta pliat n configuraie antiparalel

Structur secundar de tip foaie beta pliat n configuraie antiparalel

Structur secundar de tip foaie beta pliat n configuraie paralel

Structur secundar de tip foaie beta pliat n configuraie paralel

Structura secundar de tip foaie beta pliat

Structur secundar de tip alfa-helix

OH

O

NH2

HSHO

O

NH2

SH HO

O

NH2

S S

NH2

O

OH

punte disulfidic

punte salin

CH C

O

O-

R

H3N+

CHCO

O-

R

H3N+ CH C

O

O-

R

H3N+

CH C

O

O-

R

H3N+

Structur teriar ce are n componen mai multe alfa-helixuri

Structura cuaternar a hemoglobinei, format din 4 subuniti proteice

Protein tetrameric (simetrie tetraedric) Protein hexameric (simetrie hexagonal plan)

Protein hexameric (simetrie prism triunghiular) Protein hexameric (simetrie octaedric)

Protein octameric (simetrie cubic) Protein octameric (simetrie prism ptratic)