SMTL ID : 1uet.2 (1 other biounit)

Divergent evolutions of trinucleotide polymerization revealed by an archaeal CCA-adding enzyme structure

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 6 residues within 4Å: Chain A: K.166, V.167, R.168, N.234 Ligands: CA.2, CA.5 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:R.168 Hydrogen bonds: A:N.234 Water bridges: A:R.237, A:R.237 ACT.6: 6 residues within 4Å: Chain B: K.166, V.167, R.168, N.234 Ligands: CA.7, CA.10 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:R.168 Hydrogen bonds: B:N.234 Water bridges: B:R.237, B:R.237

6 x CA: CALCIUM ION(Non-functional Binders)(Non-covalent)

CA.2: 2 residues within 4Å: Ligands: ACT.1, CA.5 3 PLIP interactions: 1 Ligand-Ligand interactions, 2 Ligand-Water interactions Metal complexes: ACT.1, H2O.2, H2O.4 CA.4: 2 residues within 4Å: Chain A: T.383, E.387 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.383, A:E.387, A:E.387, H2O.1, H2O.5 CA.5: 3 residues within 4Å: Chain A: K.166 Ligands: ACT.1, CA.2 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:K.166, H2O.8, H2O.9 CA.7: 2 residues within 4Å: Ligands: ACT.6, CA.10 3 PLIP interactions: 1 Ligand-Ligand interactions, 2 Ligand-Water interactions Metal complexes: ACT.6, H2O.13, H2O.15 CA.9: 2 residues within 4Å: Chain B: T.383, E.387 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.383, B:E.387, B:E.387, H2O.12, H2O.17 CA.10: 3 residues within 4Å: Chain B: K.166 Ligands: ACT.6, CA.7 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:K.166, H2O.19, H2O.21

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: E.59, D.61, D.110 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.59, A:D.61, A:D.110 MG.8: 3 residues within 4Å: Chain B: E.59, D.61, D.110 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:E.59, B:D.61, B:D.110

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Okabe, M. et al., Divergent evolutions of trinucleotide polymerization revealed by an archaeal CCA-adding enzyme structure. Embo J. (2003)

Release Date

2003-12-02

Peptides

tRNA nucleotidyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

tRNA nucleotidyltransferase

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