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1TFW

How CCA is added to the 3' end of immature tRNA without the use of an oligonucleotide template

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(E)
5'-R(*GP*CP*GP*GP*AP*UP*CP*CP*GP*CP*AP*C)-3'polymer123826.41
2B, D, E
(H, I, G)
5'-R(*GP*CP*GP*GP*AP*UP*CP*CP*GP*CP*AP*CP*C)-3'polymer134131.53
3C
(F)
5'-R(*GP*CP*GP*GP*AP*CP*CP*CP*GP*CP*AP*C)-3'polymer123825.41
4F
(J)
5'-R(*CP*GP*CP*GP*GP*AP*UP*CP*CP*GP*CP*AP*C)-3'polymer134131.51
5G, H, I, J
(A, B, C, D)
tRNA nucleotidyltransferasepolymer43751469.14UniProt (O28126)
Pfam (PF01909)
Pfam (PF09249)
Pfam (PF21133)
Archaeoglobus fulgidustRNA adenylyltransferase, tRNA CCA-pyrophosphorylase, CCA-adding enzyme
6K, M
(B, D)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
7L, N
(B, D)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.22Chemie (ATP)
8O, P, Q, R, S...
(E, H, F, I, G...)
waterwater18.01059Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains10
Total formula weight230054.4
Non-Polymers*Number of molecules4
Total formula weight1063.0
All*Total formula weight231117.4
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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