HL_9Q3R_107

3D structure

PDB id

9Q3R (explore in PDB, NAKB, or RNA 3D Hub)

Description

Cryo-EM structure of the Escherichia coli 70S ribosome bound to mRNA, P-site fMet-tRNAfMet, glycyl-tRNAGly in A/T conformation, EF-Tu-GDPCP, and bottromycin at 1.99A resolution

Experimental method

ELECTRON MICROSCOPY

Resolution

1.99 Å

Loop

Sequence

G(5MU)(PSU)CAAAUC

Length

9 nucleotides

Bulged bases

None detected

QA status

Modified nucleotides: 5MU, PSU

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_9Q3R_107 not in the Motif Atlas

Homologous match to HL_5AXM_003

Geometric discrepancy: 0.0956

The information below is about HL_5AXM_003

Detailed Annotation

T-loop with 2 stacked bulged bases

Broad Annotation

T-loop

Motif group

HL_33597.7

Basepair signature

cWW-tWH-F-F-F-F-F

Number of instances in this motif group

139

Unit IDs

9Q3R|1|x|G|53
9Q3R|1|x|5MU|54
9Q3R|1|x|PSU|55
9Q3R|1|x|C|56
9Q3R|1|x|A|57
9Q3R|1|x|A|58
9Q3R|1|x|A|59
9Q3R|1|x|U|60
9Q3R|1|x|C|61

Current chains

Chain x

P-site initiator tRNA fMet

Nearby chains

Chain A

Large subunit ribosomal RNA; LSU rRNA

Chain F

Large ribosomal subunit protein uL5

Chain O

Large ribosomal subunit protein uL16