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Alpha helix nucleation by a simple cyclic tetrapeptide

Analyse Alpha helix nucleation by a simple cyclic tetrapeptide in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5TWI
Type
protein
Length
3 residues
Chains
1
Method
solution nmr
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cyclic tetrapeptide ala-arg-ala-UN1
Ligands
UN1, NH2

Structure

solution nmr · 1 distinct chain · 0% helix, 0% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACyclic tetrapeptide ala-arg-ala-UN1protein30% helix, 0% strand—

Ligands and binding sites

  • UN1 · 2-aminohexanedioic acid · ligand · chains A
  • NH2 · Amino group · ion · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Modifications

Observed in the structure: 2 covalent (covalent ligand).

Compared structures

  • 5TWI · Alpha Helix Nucleation by a Simple Cyclic Tetrapeptide · the same entry in another collection · chain A against A, TM-score 1.00

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