IL_1ET4_002

3D structure

PDB id

1ET4 (explore in PDB, NAKB, or RNA 3D Hub)

Description

CRYSTAL STRUCTURE OF A VITAMIN B12 BINDING RNA APTAMER WITH LIGAND AT 2.3 A

Experimental method

X-RAY DIFFRACTION

Resolution

2.3 Å

Loop

Sequence

CC*GUG

Length

5 nucleotides

Bulged bases

1ET4|1|A|U|227

QA status

Valid loop

Sequence variability

If this chain is mapped to an Rfam alignment, the link below will give its sequence variability.

R3DSVS

Structural variability across Equivalence Class

The link below will give the loop's structural variability across the equivalence class for this chain.

R3DMCS EC

Structural variability across Rfam

If this chain is mapped to an Rfam alignment, the link below will give the loop's structural variability between chains mapped to the same Rfam family.

R3DMCS Rfam

Detailed Annotation

Major groove intercalation

Broad Annotation

Major groove intercalation

Motif group

IL_89505.4

Basepair signature

cWW-L-cWW

Number of instances in this motif group

117

Unit IDs

1ET4|1|A|C|218
1ET4|1|A|C|219
*
1ET4|1|A|G|226
1ET4|1|A|U|227
1ET4|1|A|G|228

Current chains

Chain A

RNA APTAMER, 35-MER

Nearby chains

Chain B

RNA APTAMER, 35-MER