SMTL ID : 6pf6.2 (1 other biounit)

Crystal structure of TS-DHFR from Cryptosporidium hominis in complex with NADPH, FdUMP and 2-(4-((2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)methyl)benzamido)terephthalic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x UMP: 2'-DEOXYURIDINE 5'-MONOPHOSPHATE(Non-covalent)

UMP.1: 16 residues within 4Å: Chain A: R.27, L.169, C.172, H.173, Q.191, R.192, S.193, G.194, D.195, G.199, N.203, H.233, Y.235 Chain B: R.152, R.153 Ligands: OEJ.2 13 PLIP interactions: 10 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:D.195 Hydrogen bonds: A:Q.191, A:S.193, A:S.193, A:D.195, A:N.203, A:N.203, A:H.233 Salt bridges: A:R.27, A:R.192, B:R.152, B:R.153 Water bridges: B:R.152 UMP.3: 15 residues within 4Å: Chain A: R.152, R.153 Chain B: R.27, L.169, C.172, H.173, Q.191, R.192, S.193, G.194, D.195, G.199, N.203, H.233, Y.235 10 PLIP interactions: 8 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:Q.191, B:S.193, B:D.195, B:N.203, B:N.203, B:H.233 Salt bridges: B:R.27, B:R.192, A:R.152, A:R.153

1 x OEJ: 2-({4-[(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)methyl]benzene-1-carbonyl}amino)benzene-1,4-dicarboxylic acid(Non-covalent)

OEJ.2: 13 residues within 4Å: Chain A: F.57, K.84, I.85, N.89, D.195, L.198, G.199, F.202, Y.235, T.283, M.288, A.289 Ligands: UMP.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.85, A:I.85, A:L.198, A:L.198, A:F.202 Hydrogen bonds: A:K.84, A:N.89, A:A.289 Salt bridges: A:D.195 pi-Stacking: A:F.202

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Czyzyk, D.J. et al., Structure activity relationship towards design of cryptosporidium specific thymidylate synthase inhibitors. Eur.J.Med.Chem. (2019)

Release Date

2019-10-16

Peptides

Thymidylate synthase,Thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Thymidylate synthase,Thymidylate synthase

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