IL_1U1Y_001

3D structure

PDB id

1U1Y (explore in PDB, NAKB, or RNA 3D Hub)

Description

Crystal structure of a complex between WT bacteriophage MS2 coat protein and an F5 aptamer RNA stemloop with 2aminopurine substituted at the-10 position

Experimental method

X-RAY DIFFRACTION

Resolution

2.85 Å

Loop

Sequence

GG(2PR)G*CAC

Length

7 nucleotides

Bulged bases

None detected

QA status

Modified nucleotides: 2PR

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

Isolated non-canonical cWW pair

Broad Annotation

No text annotation

Motif group

IL_87907.2

Basepair signature

cWW-cWW-cWW

Number of instances in this motif group

179

Unit IDs

1U1Y|1|R|G|3||||P_1
1U1Y|1|R|G|4||||P_1
1U1Y|1|R|2PR|5||||P_1
1U1Y|1|R|G|6||||P_1
*
1U1Y|1|R|C|13||||P_1
1U1Y|1|R|A|14||||P_1
1U1Y|1|R|C|15||||P_1

Current chains

Chain R

5'-R(*CP*CP*GP*GP*(2PR)P*GP*GP*AP*UP*CP*AP*CP*CP*AP*CP*GP*G)-3'

Nearby chains

Chain A

Coat protein