SMTL ID : 4rrr.1

K121M mutant of N-terminal editing domain of threonyl-tRNA synthetase from Pyrococcus abyssi with L-Thr3AA

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.86 Å

Oligo State

homo-dimer

Ligands

2 x A3T: 3'-deoxy-3'-(L-threonylamino)adenosine(Non-covalent)

A3T.1: 18 residues within 4Å: Chain A: A.19, L.20, I.43, S.44, V.45, Y.79, P.80, F.81, A.82, L.88, A.89, A.94, F.117, G.118, Y.119, Y.120, M.121 Chain B: E.134 14 PLIP interactions: 12 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:Y.120 Hydrogen bonds: A:V.45, A:V.45, A:P.80, A:A.82, A:A.89, A:G.118, A:Y.119, A:Y.119, A:M.121, B:E.134 Water bridges: A:H.83, A:H.83, B:E.134 A3T.2: 18 residues within 4Å: Chain A: E.134 Chain B: A.19, L.20, I.43, S.44, V.45, Y.79, P.80, F.81, A.82, L.88, A.89, A.94, F.117, G.118, Y.119, Y.120, M.121 15 PLIP interactions: 15 interactions with chain B Hydrophobic interactions: B:Y.120 Hydrogen bonds: B:V.45, B:V.45, B:P.80, B:A.82, B:A.89, B:G.118, B:Y.119, B:Y.119, B:M.121, B:M.121 Water bridges: B:A.19, B:H.83, B:H.83, B:H.83

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ahmad, S. et al., Specificity and catalysis hardwired at the RNA-protein interface in a translational proofreading enzyme. Nat Commun (2015)

Release Date

2015-07-15

Peptides

Threonine--tRNA ligase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Threonine--tRNA ligase

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