SMTL ID : 3wlx.1

Crystal structure of low-specificity L-threonine aldolase from Escherichia coli

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.51 Å

Oligo State

homo-tetramer

Ligands

4 x PLG: N-GLYCINE-[3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YL-METHANE](Non-covalent)

PLG.1: 15 residues within 4Å: Chain A: S.6, T.8, T.57, G.58, T.59, N.62, H.83, E.136, D.166, A.168, R.169, K.197, R.308 Chain B: K.222, R.229 21 PLIP interactions: 6 interactions with chain B, 15 interactions with chain A Water bridges: B:K.222, B:R.229, B:R.229, B:R.229, A:T.59, A:K.197, A:R.308 Salt bridges: B:K.222, B:R.229, A:R.169, A:K.197, A:R.308 Hydrophobic interactions: A:E.136, A:A.168 Hydrogen bonds: A:S.6, A:T.57, A:G.58, A:T.59, A:R.169, A:R.169 pi-Stacking: A:H.83 PLG.2: 13 residues within 4Å: Chain A: R.229 Chain B: S.6, T.8, T.57, G.58, T.59, H.83, E.136, D.166, A.168, R.169, K.197, R.308 18 PLIP interactions: 13 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:A.168 Hydrogen bonds: B:S.6, B:G.58, B:T.59, B:T.59, B:R.169, B:R.169 Water bridges: B:T.59, B:N.62, A:K.222, A:K.222, A:R.229 Salt bridges: B:R.169, B:K.197, B:R.308, A:K.222, A:R.229 pi-Stacking: B:H.83 PLG.3: 15 residues within 4Å: Chain C: S.6, T.8, T.57, G.58, T.59, N.62, H.83, E.136, D.166, A.168, R.169, K.197, R.308 Chain D: K.222, R.229 22 PLIP interactions: 15 interactions with chain C, 7 interactions with chain D Hydrophobic interactions: C:E.136, C:A.168 Hydrogen bonds: C:S.6, C:T.57, C:G.58, C:T.59, C:T.59, C:R.169, C:R.169 Water bridges: C:K.197, C:R.308, D:K.222, D:K.222, D:R.229, D:R.229, D:R.229 Salt bridges: C:R.169, C:K.197, C:R.308, D:K.222, D:R.229 pi-Stacking: C:H.83 PLG.4: 13 residues within 4Å: Chain C: R.229 Chain D: S.6, T.8, T.57, G.58, T.59, H.83, E.136, D.166, A.168, R.169, K.197, R.308 19 PLIP interactions: 13 interactions with chain D, 6 interactions with chain C Hydrophobic interactions: D:A.168 Hydrogen bonds: D:S.6, D:G.58, D:T.59, D:T.59, D:T.59, D:R.169, D:R.169 Water bridges: D:N.62, C:K.222, C:K.222, C:K.222, C:R.229 Salt bridges: D:R.169, D:K.197, D:R.308, C:K.222, C:R.229 pi-Stacking: D:H.83

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Qin, H.-M. et al., Structure analysis of L-threonine aldolase from Escherichia coli unravels the low-specificity and thermostability. To be Published

Release Date

2014-12-17

Peptides

Low specificity L-threonine aldolase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

C
B

D
A

Low specificity L-threonine aldolase