MolNFT v1 · #67138 · RNA

Crystal structure of a telomeric RNA quadruplex

3IBK · RNA (5'-R(*(5BU)P*AP*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3'): “Crystal structure of a telomeric RNA quadruplex”. X-ray diffraction, 1 ligand (K). MolNFT v1 #67138 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB: 3IBK
Type: RNA
Length: 24 nucleotides
Chains: 2
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: RNA (5'-R(*(5BU)P*AP*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')
Ligands: K

Structure

x-ray diffraction · 1 distinct chain.

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B	RNA (5'-R((5BU)PAPGPGPGPUPUPAPGPGPGPU)-3')	rna	12	—	—

Ligands and binding sites

K · Potassium ion · metal · 2 copies · chains A, B

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

Interfaces

1 interface between chains.

A–B · 441 Å² buried · 29 hydrogen bonds · nucleic-nucleic

Modifications

Observed in the structure: 2 modified (nucleotide modification).

Compared structures

3IBK · Crystal structure of a telomeric RNA quadruplex · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Elsewhere: RCSB PDB 3IBK · PDBe 3IBK

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