SMTL ID : 1bjg.1

D221(169)N MUTANT DOES NOT PROMOTE OPENING OF THE COFACTOR IMIDAZOLIDINE RING

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x UFP: 5-FLUORO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE(Covalent)

UFP.1: 15 residues within 4Å: Chain A: R.21, Y.94, C.146, H.147, Q.165, R.166, S.167, C.168, N.169, N.177, H.207, Y.209 Chain B: R.126, R.127 Ligands: TMF.2 14 PLIP interactions: 11 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.165, A:S.167, A:N.169, A:N.169, A:N.177, A:N.177, A:H.207, A:Y.209 Salt bridges: A:R.21, A:R.166, B:R.126, B:R.127 Halogen bonds: A:Y.94 Water bridges: B:R.126 UFP.3: 15 residues within 4Å: Chain A: R.126, R.127 Chain B: R.21, Y.94, C.146, H.147, Q.165, R.166, S.167, C.168, N.169, N.177, H.207, Y.209 Ligands: TMF.4 13 PLIP interactions: 10 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Q.165, B:S.167, B:N.169, B:N.169, B:N.177, B:N.177, B:H.207 Salt bridges: B:R.21, B:R.166, A:R.126, A:R.127 Halogen bonds: B:Y.94 Water bridges: A:R.126

2 x TMF: 5,10-METHYLENE-6-HYDROFOLIC ACID(Non-covalent)

TMF.2: 11 residues within 4Å: Chain A: R.21, H.51, R.53, S.54, N.169, L.172, G.173, F.176, Y.209, V.262 Ligands: UFP.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:H.51, A:F.176 Hydrogen bonds: A:R.21, A:S.54, A:N.169, A:Y.209 Water bridges: A:S.54 Salt bridges: A:H.51, A:R.53 TMF.4: 11 residues within 4Å: Chain B: R.21, H.51, R.53, S.54, N.169, L.172, G.173, F.176, Y.209, V.262 Ligands: UFP.3 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:H.51, B:F.176 Hydrogen bonds: B:R.21, B:S.54, B:N.169, B:Y.209 Water bridges: B:S.54 Salt bridges: B:H.51, B:R.53

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sage, C.R. et al., D221 in thymidylate synthase controls conformation change, and thereby opening of the imidazolidine. Biochemistry (1998)

Release Date

1998-11-04

Peptides

THYMIDYLATE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

THYMIDYLATE SYNTHASE

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