SMTL ID : 8tf0.4 (3 other biounits)

Crystal structure of Grp94 N-terminal domain bound to the purine inhibitor PU-H36

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.79 Å

Oligo State

monomer

Ligands

1 x ZUY: 9-(pent-4-yn-1-yl)-8-[(2,4,6-trimethylphenyl)sulfanyl]-9H-purin-6-amine(Non-covalent)

ZUY.1: 15 residues within 4Å: Chain A: N.43, A.47, D.85, M.90, N.98, L.99, F.131, G.134, F.135, A.138, V.145, V.147, T.181, I.183 Ligands: MN.3 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.99, A:F.131, A:F.131, A:A.138, A:V.145, A:V.147, A:I.183, A:I.183 Hydrogen bonds: A:D.85, A:T.181

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain A: E.160, S.161, D.162, E.165, S.167 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.160, A:D.162, A:D.162, A:E.165

1 x MN: MANGANESE (II) ION(Non-covalent)

MN.3: 3 residues within 4Å: Chain A: L.40, I.183 Ligands: ZUY.1 No protein-ligand interaction detected (PLIP)

4 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 1 residues within 4Å: Chain A: N.175 No protein-ligand interaction detected (PLIP) MG.5: 1 residues within 4Å: Chain A: W.232 No protein-ligand interaction detected (PLIP) MG.6: 2 residues within 4Å: Chain A: T.148, R.173 No protein-ligand interaction detected (PLIP) MG.7: 1 residues within 4Å: Chain A: R.173 No protein-ligand interaction detected (PLIP)

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

SO4.8: 1 residues within 4Å: Chain A: R.20 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.20 SO4.9: 3 residues within 4Å: Chain A: D.143, K.188, E.190 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.188 SO4.10: 3 residues within 4Å: Chain A: R.92, E.93, D.154 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.93 Salt bridges: A:R.92

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Que, N.L.S. et al., Selective Inhibition of hsp90 Paralogs: Uncovering the Role of Helix 1 in Grp94-Selective Ligand Binding. Proteins (2025)

Release Date

2024-11-06

Peptides

Endoplasmin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Endoplasmin

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