SMTL ID : 3ov7.1

How the CCA-Adding Enzyme Selects Adenine over Cytosine in Position 76 of tRNA

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-dimer

Ligands

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 16 residues within 4Å: Chain A: G.46, S.47, R.50, E.59, D.61, T.130, H.133, K.152, Y.161, A.163, Y.173, R.224 Chain C: A.32, C.33, C.34 Ligands: MN.3 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:S.47, A:S.47, A:S.47, A:R.50, A:T.130, A:Y.161, A:R.224 Water bridges: A:Y.173 Salt bridges: A:K.152, A:K.152 ATP.4: 17 residues within 4Å: Chain B: G.46, S.47, R.50, W.53, D.61, T.130, H.133, K.152, Y.161, A.163, S.171, G.172, Y.173, R.224 Chain D: A.32, C.33, C.34 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:G.46, B:S.47, B:S.47, B:R.50, B:R.50, B:Y.161, B:S.171, B:Y.173, B:R.224 Water bridges: B:K.152, B:E.176 Salt bridges: B:K.152, B:K.152

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: R.299, R.302, K.303 3 PLIP interactions: 3 interactions with chain A Salt bridges: A:R.299, A:R.302, A:K.303 SO4.5: 3 residues within 4Å: Chain B: R.299, R.302, K.303 3 PLIP interactions: 3 interactions with chain B Salt bridges: B:R.299, B:R.302, B:K.303

1 x MN: MANGANESE (II) ION(Non-covalent)

MN.3: 4 residues within 4Å: Chain A: S.47, E.59, D.61 Ligands: ATP.1 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.59, A:D.61

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.6: 6 residues within 4Å: Chain A: K.257, K.436, D.437, C.438, C.439 Chain B: R.366 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.366, A:K.257, A:D.437

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pan, B. et al., How the CCA-Adding Enzyme Selects Adenine over Cytosine at Position 76 of tRNA. Science (2010)

Release Date

2010-12-01

Peptides

CCA-Adding Enzyme: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CCA-Adding Enzyme

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