SMTL ID : 1ubs.1

TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) WITH A MUTATION OF LYS 87->THR IN THE B SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

hetero-2-2-mer

Ligands

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

NA.1: 4 residues within 4Å: Chain B: G.232, P.270, F.306, S.308 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:F.306, B:S.308 NA.4: 4 residues within 4Å: Chain D: G.232, P.270, F.306, S.308 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:S.308, D:S.308

2 x SER: SERINE(Non-covalent)

SER.2: 10 residues within 4Å: Chain B: T.110, G.111, A.112, G.113, Q.114, H.115, A.302, G.303, D.305 Ligands: PLP.3 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:G.111, B:A.112, B:G.113, B:Q.114, B:H.115, B:D.305 Water bridges: B:E.109 SER.5: 10 residues within 4Å: Chain D: T.110, G.111, A.112, G.113, Q.114, H.115, A.302, G.303, D.305 Ligands: PLP.6 8 PLIP interactions: 8 interactions with chain D Hydrogen bonds: D:T.110, D:G.111, D:A.112, D:G.113, D:Q.114, D:H.115, D:D.305 Water bridges: D:E.109

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.3: 16 residues within 4Å: Chain B: A.85, H.86, Q.114, T.190, C.230, V.231, G.232, G.233, G.234, S.235, N.236, G.303, L.304, E.350, S.377 Ligands: SER.2 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:A.85 Hydrogen bonds: B:T.190, B:G.232, B:G.233, B:G.234, 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.6: 16 residues within 4Å: Chain D: A.85, H.86, Q.114, T.190, C.230, V.231, G.232, G.233, G.234, S.235, N.236, G.303, L.304, E.350, S.377 Ligands: SER.5 13 PLIP interactions: 13 interactions with chain D Hydrophobic interactions: D:A.85 Hydrogen bonds: D:G.232, D:G.233, D:G.234, D:S.235, D:N.236, D:N.236, D:S.377 Water bridges: D:T.190, D:T.190, 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., Crystal structures of a mutant (betaK87T) tryptophan synthase alpha2beta2 complex with ligands bound to the active sites of the alpha- and beta-subunits reveal ligand-induced conformational changes. Biochemistry (1997)

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

TRYPTOPHAN SYNTHASE

TRYPTOPHAN SYNTHASE

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