SMTL ID : 3n5e.1

Crystal Structure of human thymidylate synthase bound to a peptide inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.26 Å

Oligo State

homo-dimer

Ligands

1 x LEU- SER- CYS- GLN- LEU- TYR- GLN- ARG: Synthetic peptide LR(Non-covalent)

LEU-SER-CYS-GLN-LEU-TYR-GLN-ARG.1: 27 residues within 4Å: Chain A: Q.150, F.154, G.155, C.192, W.194, L.199, M.202, L.204, P.205, P.206, C.207 Chain B: F.154, G.155, Q.172, R.175, V.176, T.179, D.186, R.188, I.190, M.191, C.192, W.194, L.204, P.205, P.206, C.207 15 PLIP interactions: 11 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:F.154, B:T.179, B:R.188, B:W.194, B:P.205, A:F.154, A:W.194 Hydrogen bonds: B:Q.172, B:R.175, B:I.190, B:I.190, B:I.190, B:W.194, A:G.155, A:L.204

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: R.188 Chain B: R.62, R.197, L.201 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Salt bridges: B:R.197, A:R.188 SO4.3: 4 residues within 4Å: Chain A: R.62, R.197, L.201 Chain B: R.188 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Water bridges: B:N.183, B:N.183 Salt bridges: B:R.188, A:R.197 SO4.4: 5 residues within 4Å: Chain A: N.195, H.208, R.227, S.228 Chain B: R.187 8 PLIP interactions: 6 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:N.195, A:S.228, A:S.228 Water bridges: A:R.227, B:R.187 Salt bridges: A:H.208, A:R.227, B:R.187 SO4.5: 5 residues within 4Å: Chain A: R.187 Chain B: N.195, H.208, R.227, S.228 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:N.195, B:S.228 Water bridges: B:R.227 Salt bridges: B:H.208, B:R.227, A:R.187

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cardinale, D. et al., Protein-protein interface-binding peptides inhibit the cancer therapy target human thymidylate synthase. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-06-08

Peptides

Thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Thymidylate synthase

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