SMTL ID : 4fgt.1

Allosteric peptidic inhibitor of human thymidylate synthase that stabilizes inactive conformation of the enzyme.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x CYS- GLN- LEU- TYR: CG peptide(Non-covalent)

CYS-GLN-LEU-TYR.1: 24 residues within 4Å: Chain A: F.154, Q.172, I.190, M.191, C.192, W.194, L.204, C.207 Chain B: F.149, Q.150, H.153, F.154, G.155, A.156, W.194, L.199, A.203, L.204, P.205, P.206, C.207 Ligands: CYS-GLN-LEU-TYR.5, CYS-GLN-LEU-TYR.5, CYS-GLN-LEU-TYR.5 13 PLIP interactions: 11 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:Q.150, B:F.154, B:F.154, B:W.194, B:L.199, B:L.199, B:L.204, B:L.204, A:F.154 Hydrogen bonds: B:A.156, B:W.194, B:P.205 Water bridges: A:R.175 CYS-GLN-LEU-TYR.5: 24 residues within 4Å: Chain A: F.149, Q.150, H.153, F.154, G.155, A.156, W.194, L.199, A.203, L.204, P.205, P.206, C.207 Chain B: F.154, Q.172, I.190, M.191, C.192, W.194, L.204, C.207 Ligands: CYS-GLN-LEU-TYR.1, CYS-GLN-LEU-TYR.1, CYS-GLN-LEU-TYR.1 12 PLIP interactions: 10 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:Q.150, A:F.154, A:F.154, A:W.194, A:L.199, A:L.199, A:L.204, A:L.204, B:F.154 Hydrogen bonds: A:W.194, A:L.204 Water bridges: B:R.175

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

SO4.2: 3 residues within 4Å: Chain A: R.197, L.201 Chain B: R.188 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Water bridges: B:R.188 Salt bridges: B:R.188, A:R.197 SO4.3: 3 residues within 4Å: Chain A: E.284, R.286, H.316 3 PLIP interactions: 3 interactions with chain A Water bridges: A:E.284 Salt bridges: A:R.286, A:H.316 SO4.4: 5 residues within 4Å: Chain B: R.62, N.195, H.208, R.227, S.228 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.62, B:N.195 Water bridges: B:R.227 Salt bridges: B:H.208, B:R.227 SO4.6: 3 residues within 4Å: Chain A: R.188 Chain B: R.197, L.201 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Water bridges: A:R.188 Salt bridges: A:R.188, B:R.197 SO4.7: 3 residues within 4Å: Chain B: E.284, R.286, H.316 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.284 Water bridges: B:E.284 Salt bridges: B:R.286, B:H.316 SO4.8: 5 residues within 4Å: Chain A: R.62, N.195, H.208, R.227, S.228 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.62, A:N.195 Water bridges: A:R.227 Salt bridges: A:H.208, A:R.227

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tochowicz, A. et al., Alanine mutants of the interface residues of human thymidylate synthase decode key features of the binding mode of allosteric anticancer peptides. J.Med.Chem. (2015)

Release Date

2013-03-06

Peptides

Thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Thymidylate synthase