#SLoop idPDBDisc#Non-coreAnnotationChain(s)Standardized name for chain 1 2 3 4 5 6 71-72-6
1 HL_6GSK_2196GSK0.67322T-loop related3L tRNAG53U54U55C56G57A58C61cWW
2 HL_8GLP_0058GLP0.37901T-loop with 2 stacked bulged bases (H)L5 LSU rRNAU204C205U206G207A208U209G211cWW
3 HL_3VJR_0013VJR0.33302T-loop with 2 bulged bases not stackedBtRNA CCA-acceptorG13U14U15C16G17A18C21cWWtWH
4 HL_6UGI_0016UGI0.42452T-loop with 2 bulged bases not stackedAtRNA(Asp) acceptor stem/T stem-loopG12U13U14C15G16A17C20cWWtWH
5 HL_4WZD_2214WZD0.39482T-loop with 2 stacked bulged bases3L tRNAG62||||P_15MU63||||P_1PSU64||||P_1C65||||P_1G66||||P_1A67||||P_1C70||||P_1ncWWtWH
6 HL_8K1E_0028K1E0.21582T-loop with 2 stacked bulged basesAMALAT1-associated small cytoplasmic RNA/MEN beta RNAG39U40U41C42G43A44C47cWWtWH
7 HL_9E5O_0049E5O0.19232BRNA (76-MER)G26U27G28A29A30A31C34cWWtWH
8 HL_3F2X_0013F2X0.13542T-loop with 2 bulged bases not stackedXFMN riboswitch (RFN element)G17U18G19A20A21A22C25cWWtWH
9 HL_6DN2_0016DN20.14192T-loop with 2 bulged bases not stackedXRNA RIBOSWITCHG17U18G19A20A21A22C25cWWtWH
10 HL_4FRG_0014FRG0.18512T-loop with 2 bulged bases not stackedBCobalamin riboswitchG28U29G30A31A32A33C36cWWtWH
11 HL_6DN2_0036DN20.14742T-loop with 2 bulged bases not stackedYRNA (56-MER)G68U69G70A71A72A73C76cWWtWH
12 HL_3F2X_0043F2X0.15062T-loop with 2 bulged bases not stackedXFMN riboswitch (RFN element)G68U69G70A71A72A73C76cWWtWH
13 HL_4V9F_0104V9F0.07521T-loop with 2 stacked bulged bases0 LSU rRNAU312U313G314G315A316A317A319cWWtWH
14 HL_8OI5_0058OI50.07151T-loop with 2 stacked bulged bases (H)1 LSU rRNAU193U194G195G196A197A198A200cWWtWH
15 HL_9AXU_0059AXU0.05971T-loop with 1 bulged base (H)2 LSU rRNAU201U202G203G204A205A206A208cWWtWH
16 HL_9PN5_0059PN50.05611A1 LSU rRNAU194U195G196G197A198A199A201cWWtWH
17 HL_9H3G_0099H3G0.00001A LSU rRNAC191U192G193G194A195A196G198cWWtWH
18 HL_5DH6_0025DH60.10021T-loop with 2 stacked bulged basesAHammerhead ribozyme (type III)C27U28G29G30G31A32G34cWWtWH
19 HL_9E6Q_0109E6Q0.12811T-loop with 2 stacked bulged bases (H)1 LSU rRNAC333U334G335G336A337A338G340cWWtWH
20 HL_8B0X_0418B0X0.11741T-loop with 2 stacked bulged bases (H)a LSU rRNAC305U306G307G308A309A310G312cWWtWH
21 HL_7A0S_0107A0S0.14111T-loop with 1 bulged baseX LSU rRNAC316U317G318G319A320A321G323cWWtWH
22 HL_9DFE_0099DFE0.19401T-loop with 1 bulged base1A LSU rRNAU305U306G307G308G309A310G312cWWtWH
23 HL_4WF9_0104WF90.21121T-loop with 2 stacked bulged basesX LSU rRNAC348U349G350G351A352A353G355cWWtWH
24 HL_2A64_0022A640.31891T-loop with 2 stacked bulged basesA RNase P class BC69U70G71A72G73A74G76cWWtWH

3D structures

Complete motif including flanking bases
SequenceCounts
GUGAAAUUC6
CUGGAAAG4
UUGGAACA3
GUUCGAGUC2
GUUCGAAUC1
UCUGAUCG1
GUUCGAUCC1
GCGAAUC1
UUGGAAUA1
CUGGGAUG1
CUGGAAUG1
UUGGGAAG1
CUGAGAUG1
Non-Watson-Crick part of the motif
SequenceCounts
UGAAAUU6
UGGAAA4
UGGAAC3
UUCGAGU2
UGGAAU2
UUCGAAU1
CUGAUC1
UUCGAUC1
(5MU)(PSU)CGAAU1
UGGGAU1
UGGGAA1
UGAGAU1

Release history

Release4.10
Date2026-05-20
StatusUpdated, 1 parent

Parent motifs

This motif has no parent motifs.

Children motifs

This motif has no children motifs.
Annotations
  • T-loop with 2 bulged bases not stacked (7)
  • T-loop with 2 stacked bulged bases (6)
  • T-loop with 2 stacked bulged bases (H) (4)
  • (3)
  • T-loop with 1 bulged base (2)
  • T-loop related (1)
  • T-loop with 1 bulged base (H) (1)
  • Basepair signature
    cWW-tWH-F-F-F
    Heat map statistics
    Min 0.03 | Avg 0.28 | Max 0.90
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