SMTL ID : 1pw6.3 (3 other biounits)

Low Micromolar Small Molecule Inhibitor of IL-2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-tetramer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: Y.45 Chain D: R.38 Ligands: FRB.2 1 PLIP interactions: 1 interactions with chain D Salt bridges: D:R.38 SO4.3: 3 residues within 4Å: Chain B: Y.45 Chain C: R.38 Ligands: FRB.4 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:Y.45 Salt bridges: C:R.38

4 x FRB: 2-CYCLOHEXYL-N-(2-{4-[5-(2,3-DICHLORO-PHENYL)-2H-PYRAZOL-3-YL]-PIPERIDIN-1-YL}-2-OXO-ETHYL)-2-GUANIDINO-ACETAMIDE(Non-covalent)

FRB.2: 13 residues within 4Å: Chain A: R.38, M.39, T.41, F.42, K.43, Y.45, E.62, P.65, V.69, L.72, A.73, T.111 Ligands: SO4.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:R.38, A:F.42, A:F.42, A:Y.45, A:T.111 Hydrogen bonds: A:R.38, A:K.43, A:K.43, A:K.43 Salt bridges: A:E.62 pi-Cation interactions: A:R.38 FRB.4: 13 residues within 4Å: Chain B: R.38, M.39, T.41, F.42, K.43, Y.45, E.62, P.65, V.69, L.72, A.73, T.111 Ligands: SO4.3 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:R.38, B:F.42, B:F.42, B:Y.45, B:T.111 Hydrogen bonds: B:R.38, B:K.43, B:K.43, B:K.43 Salt bridges: B:E.62 pi-Cation interactions: B:R.38 FRB.5: 13 residues within 4Å: Chain C: K.35, R.38, M.39, T.41, F.42, K.43, F.44, Y.45, E.62, P.65, V.69, L.72, A.73 11 PLIP interactions: 11 interactions with chain C Hydrophobic interactions: C:K.35, C:R.38, C:F.42, C:F.42, C:Y.45, C:Y.45 Hydrogen bonds: C:K.43, C:K.43, C:K.43, C:Y.45 Salt bridges: C:E.62 FRB.6: 13 residues within 4Å: Chain D: K.35, R.38, M.39, T.41, F.42, K.43, F.44, Y.45, E.62, P.65, V.69, L.72, A.73 11 PLIP interactions: 11 interactions with chain D Hydrophobic interactions: D:K.35, D:R.38, D:F.42, D:F.42, D:Y.45, D:Y.45 Hydrogen bonds: D:K.43, D:K.43, D:K.43, D:Y.45 Salt bridges: D:E.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Thanos, C.D. et al., Potent small-molecule binding to a dynamic hot spot on IL-2. J.Am.Chem.Soc. (2003)

Release Date

2004-01-13

Peptides

Interleukin-2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
B

D
B

Interleukin-2

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