SMTL ID : 4x4s.2 (1 other biounit)

Crystal structure of the A.fulgidus CCA-adding enzyme in complex with a G70A arginyl-tRNA minihelix ending in CCACC and CTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.25 Å

Oligo State

monomer

Ligands

1 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

CTP.1: 19 residues within 4Å: Chain A: V.45, G.46, S.47, R.50, E.59, D.61, T.130, H.133, K.152, Y.161, A.163, S.171, G.172, Y.173, R.224 Chain B: A.35, C.36, C.37 Ligands: MG.2 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:S.47, A:S.47, A:R.50, A:R.50, A:D.61, A:H.133, A:Y.161, A:Y.161, A:S.171, A:R.224 Salt bridges: A:K.152, A:K.152

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.47, E.59, D.61 Ligands: CTP.1 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.59, A:D.61

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 7 residues within 4Å: Chain A: E.311, F.342, R.344, R.380, K.381, F.382 Chain B: U.13 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.311, A:R.344, A:K.381

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kuhn, C.D. et al., On-enzyme refolding permits small RNA and tRNA surveillance by the CCA-adding enzyme. Cell (2015)

Release Date

2015-02-11

Peptides

CCA-adding enzyme: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

CCA-adding enzyme

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