SMTL ID : 4rjy.1

Crystal structure of E. coli L-Threonine Aldolase in complex with a non-covalently uncleaved bound L-serine substrate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-tetramer

Ligands

6 x NA: SODIUM ION(Non-functional Binders)

NA.1: 5 residues within 4Å: Chain A: T.8, T.10, S.196, T.201 Chain B: Q.230 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:T.10, B:Q.230 NA.3: 6 residues within 4Å: Chain B: A.93, V.94, S.97 Chain C: A.93, V.94, S.97 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:S.97, B:S.97, C:S.97 NA.4: 5 residues within 4Å: Chain A: Q.230 Chain B: T.8, T.10, S.196, T.201 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.8, B:T.10, A:Q.230 NA.6: 5 residues within 4Å: Chain C: T.8, T.10, S.196, T.201 Chain D: Q.230 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:Q.230, C:S.196 NA.8: 6 residues within 4Å: Chain A: A.93, V.94, S.97 Chain D: A.93, V.94, S.97 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain D Hydrogen bonds: A:S.97, D:V.94, D:S.97 NA.9: 5 residues within 4Å: Chain C: Q.230 Chain D: T.8, T.10, S.196, T.201 3 PLIP interactions: 1 interactions with chain D, 2 interactions with chain C Hydrogen bonds: D:T.10, C:Q.230, C:Q.230

4 x SER: SERINE(Non-covalent)

SER.2: 4 residues within 4Å: Chain A: H.83, K.197 Chain B: R.229 Chain D: H.126 8 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B, 1 interactions with chain D Hydrogen bonds: A:H.83 Water bridges: A:R.308, B:R.229, B:R.229 Salt bridges: A:H.83, B:K.222, B:R.229, D:H.126 SER.5: 7 residues within 4Å: Chain A: R.229 Chain B: S.6, H.83, R.169, K.197, R.308 Chain C: H.126 14 PLIP interactions: 7 interactions with chain B, 4 interactions with chain A, 1 interactions with chain C, 2 Ligand-Ligand interactions Hydrogen bonds: B:S.6, B:S.6, B:R.169, B:R.308, B:R.308, S.5, S.5 Water bridges: B:R.169, A:K.222, A:K.222 Salt bridges: B:H.83, A:K.222, A:R.229, C:H.126 SER.7: 7 residues within 4Å: Chain B: H.126 Chain C: S.6, H.83, R.169, K.197, R.308 Chain D: R.229 11 PLIP interactions: 4 interactions with chain D, 6 interactions with chain C, 1 interactions with chain B Water bridges: D:Y.30, D:K.222 Salt bridges: D:K.222, D:R.229, C:H.83, B:H.126 Hydrogen bonds: C:S.6, C:S.6, C:R.169, C:R.308, C:R.308 SER.10: 7 residues within 4Å: Chain A: H.126 Chain C: R.229 Chain D: S.6, H.83, R.169, K.197, R.308 15 PLIP interactions: 5 interactions with chain C, 8 interactions with chain D, 1 Ligand-Ligand interactions, 1 interactions with chain A Water bridges: C:Y.30, C:K.222, C:R.229, D:R.169, S.10 Salt bridges: C:K.222, C:R.229, D:H.83, A:H.126 Hydrogen bonds: D:S.6, D:S.6, D:H.83, D:R.169, D:R.308, D:R.308

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Remesh, S.G. et al., Molecular basis of E. colil-threonine aldolase catalytic inactivation at low pH. Biochim.Biophys.Acta (2015)

Release Date

2014-10-29

Peptides

Low specificity L-threonine aldolase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Low specificity L-threonine aldolase

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