HL_6X9Q_046

3D structure

PDB id

6X9Q (explore in PDB, NAKB, or RNA 3D Hub)

Description

Cryo-EM structure of an Escherichia coli coupled transcription-translation complex B3 (TTC-B3) containing an mRNA with a 27 nt long spacer, transcription factors NusA and NusG, and fMet-tRNAs at P-site and E-site

Experimental method

ELECTRON MICROSCOPY

Resolution

4.8 Å

Loop

Sequence

CUGGAAAG

Length

8 nucleotides

Bulged bases

6X9Q|1|a|A|311

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

HL_6X9Q_046 not in the Motif Atlas

Homologous match to HL_5J7L_142

Geometric discrepancy: 0.089

The information below is about HL_5J7L_142

Detailed Annotation

T-loop with 2 stacked bulged bases

Broad Annotation

T-loop

Motif group

HL_01609.3

Basepair signature

cWW-tWH-F-F-F

Number of instances in this motif group

18

Unit IDs

6X9Q|1|a|C|305
6X9Q|1|a|U|306
6X9Q|1|a|G|307
6X9Q|1|a|G|308
6X9Q|1|a|A|309
6X9Q|1|a|A|310
6X9Q|1|a|A|311
6X9Q|1|a|G|312

Current chains

Chain a

23S rRNA

Nearby chains

Chain 3

50S ribosomal protein L24