SMTL ID : 1w23.1

Crystal structure of phosphoserine aminotransferase from Bacillus alcalophilus

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.08 Å

Oligo State

homo-dimer

Ligands

4 x MG: MAGNESIUM ION(Non-functional Binders)(Non-covalent)

MG.1: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.2: 1 residues within 4Å: Chain A: D.256 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.256, H2O.6, H2O.13, H2O.13, H2O.13 MG.3: 1 residues within 4Å: Chain A: D.344 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.344, H2O.17, H2O.17 MG.9: 6 residues within 4Å: Chain B: Y.127, Q.128, Y.154, T.156, H.288, A.289 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:Y.127, B:Y.154, B:H.288

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.4: 6 residues within 4Å: Chain A: Q.159, Y.275, K.291, G.292, R.294, L.296 No protein-ligand interaction detected (PLIP)

3 x PGE: TRIETHYLENE GLYCOL(Non-functional Binders)

PGE.5: 4 residues within 4Å: Chain A: L.98, E.104, I.118, K.123 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.123 PGE.11: 6 residues within 4Å: Chain B: Q.159, Y.275, K.291, G.292, R.294, L.296 No protein-ligand interaction detected (PLIP) PGE.12: 3 residues within 4Å: Chain B: L.98, E.104, K.123 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:K.123

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.6: 7 residues within 4Å: Chain A: G.100, S.101, W.102, N.151, T.152, I.153, Y.154 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain A: W.102, T.152, I.153, R.334 Ligand excluded by PLIP CL.14: 7 residues within 4Å: Chain B: G.100, S.101, W.102, N.151, T.152, I.153, Y.154 Ligand excluded by PLIP CL.15: 4 residues within 4Å: Chain B: W.102, T.152, I.153, R.334 Ligand excluded by PLIP

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.8: 13 residues within 4Å: Chain A: G.75, A.76, S.77, F.80, W.102, N.150, T.152, D.172, S.174, Q.195, K.196 Chain B: N.237, T.238 15 PLIP interactions: 13 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:W.102, A:W.102 Hydrogen bonds: A:A.76, A:S.77, A:S.77, A:T.152, A:S.174, A:S.175, A:Q.195, A:Q.195, A:K.196, B:N.237, B:T.238 pi-Stacking: A:W.102, A:W.102 PLP.16: 14 residues within 4Å: Chain A: N.237, T.238 Chain B: G.75, A.76, S.77, F.80, W.102, T.148, N.150, T.152, D.172, S.174, Q.195, K.196 16 PLIP interactions: 14 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:W.102, B:W.102, B:T.148 Hydrogen bonds: B:A.76, B:S.77, B:S.77, B:T.152, B:S.174, B:S.175, B:Q.195, B:Q.195, B:K.196, A:N.237, A:T.238 pi-Stacking: B:W.102, B:W.102

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.10: 4 residues within 4Å: Chain B: L.138, N.139, E.140, H.166 1 PLIP interactions: 1 interactions with chain B Water bridges: B:H.166

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.13: 5 residues within 4Å: Chain B: Q.68, K.210, I.230, K.231, D.233 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:K.210 Water bridges: B:Q.68 Salt bridges: B:K.210, B:D.233, B:D.233

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dubnovitsky, A. et al., Enzyme Adaptation to Alkaline Ph: Atomic Resolution (1.08 A) Structure of Phosphoserine Aminotransferase from Bacillus Alcalophilus. Protein Sci. (2005)

Release Date

2004-12-22

Peptides

PHOSPHOSERINE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PHOSPHOSERINE AMINOTRANSFERASE

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