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SMTL ID : 1ttq.1

TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) IN THE PRESENCE OF POTASSIUM AT ROOM TEMPERATURE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-oligomer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1:	5 residues within 4Å: Chain B: G.232, G.268, P.270, F.306, S.308 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:G.232, B:F.306, H₂O.56
K.3:	5 residues within 4Å: Chain D: G.232, G.268, P.270, F.306, S.308 3 PLIP interactions: 2 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:G.232, D:F.306, H₂O.131

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

PLP.2:

19 residues within 4Å:

Chain B: A.85, H.86, K.87, Q.114, T.190, C.230, V.231, G.232, G.233, G.234, S.235, N.236, G.303, L.304, A.348, E.350, S.351, S.377, G.378

14 PLIP interactions:

14 interactions with chain B

Hydrophobic interactions: B:K.87, B:A.348
Hydrogen bonds: B:T.190, B:G.232, B:G.233, B:G.234, B:S.235, B:S.235, B:N.236, B:N.236, B:S.377
Water bridges: B:A.237
Salt bridges: B:H.86
pi-Stacking: B:H.86

PLP.4:

19 residues within 4Å:

Chain D: A.85, H.86, K.87, Q.114, T.190, C.230, V.231, G.232, G.233, G.234, S.235, N.236, G.303, L.304, A.348, E.350, S.351, S.377, G.378

14 PLIP interactions:

14 interactions with chain D

Hydrophobic interactions: D:K.87, D:A.348
Hydrogen bonds: D:H.86, D:G.232, D:G.233, D:G.234, D:S.235, D:S.235, D:N.236, D:N.236, D:S.377
Water bridges: D:A.237
Salt bridges: D:H.86
pi-Stacking: D:H.86

Links

RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP

Citation

Rhee, S. et al., Exchange of K+ or Cs+ for Na+ induces local and long-range changes in the three-dimensional structure of the tryptophan synthase alpha2beta2 complex. Biochemistry (1996)

Release Date

1996-03-08

Peptides

TRYPTOPHAN SYNTHASE: AC
TRYPTOPHAN SYNTHASE: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

Export Alignment

Secondary Structure
NoneDSSPPSIPREDSSpro

Colour Scheme

Fade MismatchesEnhance Mismatches

ChainUnique ChainRainbow2° StructureBfactorBfactor RangeSOAEntropyClustalHydrophobicSizeChargedPolarProlineSer/ThrCysteineAliphaticAromaticNo Colour

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3D Viewer
NGLPV2D

TRYPTOPHAN SYNTHASE

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TRYPTOPHAN SYNTHASE

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