The level of protein structure in which regular hydrogen-bond interactions within contiguous stretches of polypeptide chain give rise to alpha helices, beta strands (which align to form beta sheets) or other types of coils. This is the first folding level of protein conformation.

Descriptor ID	D017433
MeSH Number(s)	G02.111.570.820.709.600
Concept/Terms	Protein Structure, Secondary Protein Structure, Secondary Secondary Protein Structure Protein Structures, Secondary Secondary Protein Structures Structure, Secondary Protein Structures, Secondary Protein beta-Sheet Conformation, Protein beta-Sheet Conformation, Protein Conformation, Protein beta-Sheet Conformations, Protein beta-Sheet Protein beta-Sheet Conformation Protein beta-Sheet Conformations beta Sheet Conformation, Protein beta-Sheet Conformations, Protein Protein Conformation, beta-Sheet Conformation, beta-Sheet Protein Conformations, beta-Sheet Protein Protein Conformation, beta Sheet Protein Conformations, beta-Sheet beta-Sheet Protein Conformation beta-Sheet Protein Conformations Protein Conformation, beta-Strand Protein Conformation, beta-Strand Conformation, beta-Strand Protein Conformations, beta-Strand Protein Protein Conformation, beta Strand Protein Conformations, beta-Strand beta-Strand Protein Conformation beta-Strand Protein Conformations beta-Strand Conformation, Protein Conformation, Protein beta-Strand Conformations, Protein beta-Strand Protein beta-Strand Conformation Protein beta-Strand Conformations beta Strand Conformation, Protein beta-Strand Conformations, Protein alpha-Helical Conformation, Protein alpha-Helical Conformation, Protein Conformation, Protein alpha-Helical Conformations, Protein alpha-Helical Protein alpha-Helical Conformation Protein alpha-Helical Conformations alpha Helical Conformation, Protein alpha-Helical Conformations, Protein Protein Conformation, alpha-Helical Conformation, alpha-Helical Protein Conformations, alpha-Helical Protein Protein Conformation, alpha Helical Protein Conformations, alpha-Helical alpha-Helical Protein Conformation alpha-Helical Protein Conformations

Below are MeSH descriptors whose meaning is more general than "Protein Structure, Secondary".

Below are MeSH descriptors whose meaning is related to "Protein Structure, Secondary".

Below are MeSH descriptors whose meaning is more specific than "Protein Structure, Secondary".