IL_8ID2_001

3D structure

PDB id

8ID2 (explore in PDB, NAKB, or RNA 3D Hub)

Description

Crystal structure of the ubiquitin-like domain in the SF3A1 subunit of human U2 snRNP complexed with the stem-loop 4 of U1 snRNA

Experimental method

X-RAY DIFFRACTION

Resolution

1.8 Å

Loop

Sequence

ACUG*CUUU

Length

8 nucleotides

Bulged bases

None detected

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

Tandem non-canonical cWW pairs

Broad Annotation

No text annotation

Motif group

IL_54697.2

Basepair signature

cWW-cWW-cWW-cWW

Number of instances in this motif group

51

Unit IDs

8ID2|1|C|A|5
8ID2|1|C|C|6
8ID2|1|C|U|7
8ID2|1|C|G|8
*
8ID2|1|C|C|17
8ID2|1|C|U|18
8ID2|1|C|U|19
8ID2|1|C|U|20

Current chains

Chain C

RNA (5'-R(*GP*GP*GP*GP*AP*CP*UP*GP*CP*GP*UP*UP*CP*GP*CP*GP*CP*UP*UP*UP*CP*CP*CP*C)-3')

Nearby chains

Chain A

Splicing factor 3A subunit 1