SMTL ID : 2trs.1

CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA2 BETA2 COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA AND BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.04 Å

Oligo State

hetero-2-2-mer

Ligands

2 x IPL: INDOLE-3-PROPANOL PHOSPHATE(Non-covalent)

IPL.1: 15 residues within 4Å: Chain A: F.22, A.59, D.60, I.64, L.100, A.129, I.153, Y.175, T.183, G.184, F.212, G.213, S.233, G.234, S.235 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:A.59, A:L.100, A:A.129, A:I.153, A:T.183 Hydrogen bonds: A:G.184, A:G.184, A:G.213, A:G.234, A:S.235, A:S.235 pi-Stacking: A:F.212 IPL.4: 15 residues within 4Å: Chain C: F.22, A.59, D.60, I.64, L.100, A.129, I.153, Y.175, T.183, G.184, F.212, G.213, S.233, G.234, S.235 12 PLIP interactions: 12 interactions with chain C Hydrophobic interactions: C:A.59, C:L.100, C:A.129, C:I.153, C:T.183 Hydrogen bonds: C:G.184, C:G.184, C:G.213, C:G.234, C:S.235, C:S.235 pi-Stacking: C:F.212

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

NA.2: 4 residues within 4Å: Chain B: G.232, P.270, F.306, S.308 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:F.306 NA.5: 4 residues within 4Å: Chain D: G.232, P.270, F.306, S.308 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:S.308

2 x PLS: [3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL]-SERINE(Non-covalent)

PLS.3: 22 residues within 4Å: Chain B: A.85, H.86, T.110, G.111, A.112, G.113, Q.114, H.115, L.166, T.190, G.232, G.233, G.234, S.235, N.236, A.302, G.303, L.304, E.350, S.377, G.378, K.382 24 PLIP interactions: 24 interactions with chain B Hydrophobic interactions: B:A.85 Hydrogen bonds: B:G.111, B:A.112, B:G.113, B:Q.114, B:H.115, 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:A.302, B:S.377, B:K.382, B:K.382 Water bridges: B:E.109, B:E.109, B:A.237, B:A.237 Salt bridges: B:H.86 pi-Cation interactions: B:H.86 PLS.6: 22 residues within 4Å: Chain D: A.85, H.86, T.110, G.111, A.112, G.113, Q.114, H.115, L.166, T.190, G.232, G.233, G.234, S.235, N.236, A.302, G.303, L.304, E.350, S.377, G.378, K.382 23 PLIP interactions: 23 interactions with chain D Hydrophobic interactions: D:A.85 Hydrogen bonds: D:T.110, D:G.111, D:A.112, D:G.113, D:Q.114, D:H.115, D:G.232, D:G.233, D:G.234, D:S.235, D:S.235, D:N.236, D:N.236, D:A.302, D:S.377, D:K.382, D:K.382 Water bridges: D:E.109, D:A.237, D:A.237 Salt bridges: D:H.86 pi-Cation interactions: 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

1997-04-01

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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