#SLoop idPDBDisc#Non-coreAnnotationChain(s)Standardized name for chain 1 2 3 4 5 6 71-72-6
1 HL_8CRE_2248CRE0.56762T-loop with 1 bulged baseCM SSU rRNAG1581U1582C1583U1585C1586A1587C1589cWWtWH
2 HL_2A64_0022A640.27341T-loop with 2 stacked bulged basesA RNase P class BC69U70G71A72G73A74G76cWWtWH
3 HL_4WF9_0104WF90.15791T-loop with 2 stacked bulged basesX LSU rRNAC348U349G350G351A352A353G355cWWtWH
4 HL_9DFE_0099DFE0.14361T-loop with 1 bulged base1A LSU rRNAU305U306G307G308G309A310G312cWWtWH
5 HL_5DH6_0025DH60.09761T-loop with 2 stacked bulged basesAHammerhead ribozyme (type III)C27U28G29G30G31A32G34cWWtWH
6 HL_5J7L_1425J7L0.00001T-loop with 2 stacked bulged basesDA LSU rRNAC305U306G307G308A309A310G312cWWtWH
7 HL_7A0S_0107A0S0.09751T-loop with 1 bulged baseX LSU rRNAC316U317G318G319A320A321G323cWWtWH
8 HL_4FRN_0054FRN0.15572T-loop with 2 bulged bases not stackedBCobalamin riboswitchG28U29G30U31A32A33C36cWWtWH
9 HL_4FRG_0014FRG0.17302T-loop with 2 bulged bases not stackedBCobalamin riboswitchG28U29G30A31A32A33C36cWWtWH
10 HL_6DN2_0036DN20.15712T-loop with 2 bulged bases not stackedYRNA (56-MER)G68U69G70A71A72A73C76cWWtWH
11 HL_3F2X_0043F2X0.16942T-loop with 2 bulged bases not stackedXFMN riboswitch (RFN element)G68U69G70A71A72A73C76cWWtWH
12 HL_3F2X_0013F2X0.12712T-loop with 2 bulged bases not stackedXFMN riboswitch (RFN element)G17U18G19A20A21A22C25cWWtWH
13 HL_6DN2_0016DN20.13292T-loop with 2 bulged bases not stackedXRNA RIBOSWITCHG17U18G19A20A21A22C25cWWtWH
14 HL_4V9F_0104V9F0.14271T-loop with 2 stacked bulged bases0 LSU rRNAU312U313G314G315A316A317A319cWWtWH
15 HL_8P9A_1178P9A0.17881T-loop with 1 bulged baseAR LSU rRNAU194U195G196G197A198A199A201cWWtWH
16 HL_8CRE_0058CRE0.18171T-loop with 1 bulged base1 LSU rRNAU193U194G195G196A197A198A200cWWtWH
17 HL_3VJR_0013VJR0.34712T-loop with 2 bulged bases not stackedBtRNA CCA-acceptorG13U14U15C16G17A18C21cWWtWH
18 HL_5X2G_0035X2G0.69472T-loop relatedBsgRNAG73U74U75C77A78A79C81cWWtWH

3D structures

Complete motif including flanking bases
SequenceCounts
GUGAAAUUC5
CUGGAAAG3
UUGGAACA2
GUCAUCAGC1
CUGAGAUG1
UUGGGAAG1
CUGGGAUG1
GUGUAAUUC1
UUGGAAUA1
GUUCGAUCC1
GUUACAAUC1
Non-Watson-Crick part of the motif
SequenceCounts
UGAAAUU5
UGGAAA3
UGGAAC2
UCAUCAG1
UGAGAU1
UGGGAA1
UGGGAU1
UGUAAUU1
UGGAAU1
UUCGAUC1
UUACAAU1

Release history

Release3.953.963.973.983.99
Date2025-03-262025-04-232025-05-212025-06-182025-07-16
StatusUpdated, 1 parentExact matchExact matchExact matchExact match

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 (5)
  • T-loop with 1 bulged base (5)
  • T-loop related (1)
  • Basepair signature
    cWW-tWH-F-F-F
    Heat map statistics
    Min 0.07 | Avg 0.30 | Max 0.88
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