Annotating tertiary motifs in RNA structures

2GIS - SAM-I riboswitch

Statistics of tertiary motifs

Motif	Number
Coaxial helix	3
A-minor	2
Ribose zipper	1
Pseudoknot	1
Loop-loop receptor	0
D-loop;T-loop	0
Kissing hairpin	0

Annotated diagram (PDF, EPS)

Structure information of tertiary motifs

Coaxial helix

ID	Strand 1		Strand 2
ID	Seq num	Chain	Seq num	Chain
1	1-8,69-74	A	77-82,86-93	A
2	15-20,53-56,58-60	A	35-40,42-44,47-50	A
3	25-31	A	21-23,65-68	A

A-minor

ID	Residue 1			Residue 2			Residue 3
ID	Seq	Seq num	Chain	Seq	Seq num	Chain	Seq	Seq num	Chain
1	A	12	A	C	59	A	G	43	A
2	A	36	A	C	31	A	G	21	A

Ribose zipper

ID	Strand 1			Strand 2
ID	Seq	Seq num	Chain	Seq	Seq num	Chain
1	5′-GA-3′	11,12	A	5′-GC-3′	43,44	A

Pseudoknot

ID	Seq num	Chain
1	25-31,21-23,65-68	A