11  structures 0  species 0  sequences

Motif: right_angle-2 (RM00016)

Description: Right angle motif 2


Wikipedia annotation Edit Wikipedia article

The Rfam group coordinates the annotation of Rfam data in Wikipedia. This motif is described by a Wikipedia entry entitled Internal loop. More...

This page is based on a wikipedia article. The text is available under the Creative Commons Attribution/Share-Alike License.


You can either download the motif alignment or view it directly in your browser window. More...

Formatting options

You can view or download motif alignments in several formats. Check either the "download" button, to save the formatted alignment, or "view", to see it in your browser window, and click "Generate".

Alignment format:


There are 11 PDB entires which have been used to build the motif model.

The table of results below may be sorted by clicking on the column titles, or restored to the original order here.

Original order PDB ID PDB chain ID PDB Residues
2 2J01 603 - 682
2 2AWB 588 - 668
2 1JJ2 644 - 758
2 1J5E 39 - 399
2 2AVY 38 - 403
2 1p6g A 39 - 403
2 1fjg A 40 - 399
2 2gy9 A 35 - 381
2 1pns A 35 - 398
2 2om7 D 2 - 299
2 3bbn A 40 - 374

Family matches

There are 4 Rfam families which match this motif.

This section shows the families which have been annotated with this motif. Users should be aware that the motifs are structural constructs and do not necessarily conform to taxonomic boundaries in the way that Rfam families do. More...

Original order Family Accession Family Description Number of Hits Fraction of Hits Sum of Bits Image
3 RF00177 Bacterial small subunit ribosomal RNA 99 1.000 24986.8 Match Image
3 RF01959 Archaeal small subunit ribosomal RNA 86 1.000 10521.8 Match Image
3 RF01960 Eukaryotic small subunit ribosomal RNA 35 0.385 975.7 Match Image
3 RF02542 Microsporidia small subunit ribosomal RNA 44 0.957 2098.2 Match Image


This section shows the database cross-references that we have for this Rfam motif.

Literature references

  1. Grabow WW, Zhuang Z, Swank ZN, Shea JE, Jaeger L J Mol Biol. 2012 The right angle (RA) motif: a prevalent ribosomal RNA structural pattern found in group I introns. PUBMED:22999957

External database links

Curation and motif details

This section shows the detailed information about the Rfam motif. We're happy to receive updated or improved alignments for new or existing families. Submit your new alignment and we'll take a look.


Seed source Published; PMID:22999957
Structure source N/A
Type Internal Loop
Author Gardner PP
Alignment details
Alignment Number of
Average length Sequence
identity (%)
seed 12 285.83 52

Model information

Build commands
cmbuild -F CM SEED
cmcalibrate CM
Gathering cutoff 20.0
Covariance model Download the Infernal CM for the motif here