Non-canonical Base Pair Database | Individual Record Page 1856

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Department of Biology and Biochemistry | University of Houston

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- Structures of Base Pairs, Base Triples and Base Quadruples.

- "Database of non-canonical base pairs found in known RNA structures" [PDF format. Nucleic Acid Research, 2000 Jan 1; 28(1):375-376].

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NON-CANONICAL BASE PAIR DATABASE : Individual Record Page 1856

Authors: Kobayashi T, Nureki O, Ishitani R, Yaremchuk A, Tukalo M, Cusack S, Sakamoto K, Yokoyama S

Citation: Structural basis for orthogonal tRNA specificities of tyrosyl-tRNA synthetases for genetic code expansion Nat Struct Biol 10(6):425-32 June 01, 2003  [PDB link]

Base Pair Type: AU reverse Hoogsteen

Base Pair Category: Normal Purine-Pyrimidine Base Pairs; Trans Hoogsteen/Shallow groove

Sequence Context: 5'  3'
A U,*
A-U
A G,*
3'  5'

Structure: tRNA (tyr)

Pucker Info: A59-C2' endo, U55-C3' endo

Melting Point: *

Free Energy: *

Chemical Shift: *

Glycosidic Conf: All anti

Extra Info: A59.U55 form a mismatch, T-loop

Figure: AU reverse Hoogsteen