SMTL ID : 3nh1.1 (1 other biounit)

Crystal structure of RNase T in complex with a preferred ssDNA (TAGG) with two Mg in the active site

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.11 Å

Oligo State

homo-dimer

Ligands

2 x DT- DA- DG- DG: 5'-D(*TP*TP*AP*TP*AP*GP*G)-3'(Non-covalent)

DT-DA-DG-DG.1: 24 residues within 4Å: Chain A: D.43, V.44, E.45, T.46, F.49, E.93, A.94, F.97, N.98, H.140, N.141, F.144, T.182, V.183, L.184, H.201 Chain B: R.35, F.37, R.134, H.164, P.165, F.166 Ligands: MG.3, MG.5 Protein-ligand interaction information (PLIP) not available DT-DA-DG-DG.2: 26 residues within 4Å: Chain A: R.35, F.37, R.134, H.164, P.165, F.166 Chain B: D.43, V.44, E.45, T.46, F.49, E.93, A.94, F.97, N.98, H.140, N.141, F.144, T.182, V.183, L.184, K.186, H.201, D.206 Ligands: MG.4, MG.6 Protein-ligand interaction information (PLIP) not available

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 6 residues within 4Å: Chain A: D.43, E.45, H.201, D.206 Ligands: DT-DA-DG-DG.1, MG.5 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.45, A:D.206 MG.4: 6 residues within 4Å: Chain B: D.43, E.45, H.201, D.206 Ligands: DA-DT-DA-DG-DG.2, MG.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.45, B:D.206 MG.5: 4 residues within 4Å: Chain A: D.43 Ligands: DT-DA-DG-DG.1, DT-DA-DG-DG.1, MG.3 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.43, H2O.1, H2O.3, H2O.7 MG.6: 4 residues within 4Å: Chain B: D.43 Ligands: DA-DT-DA-DG-DG.2, DA-DT-DA-DG-DG.2, MG.4 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.43, H2O.4, H2O.6, H2O.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hsiao, Y.-Y. et al., Structural basis for RNA trimming by RNase T in stable RNA 3'-end maturation. Nat.Chem.Biol. (2011)

Release Date

2011-02-16

Peptides

Ribonuclease T: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ribonuclease T

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