SMTL ID : 3vp2.1

Crystal structure of human glutaminase in complex with inhibitor 2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-tetramer

Ligands

4 x BP0: 5,5'-(sulfanediyldiethane-2,1-diyl)bis(1,3,4-thiadiazol-2-amine)(Non-covalent)

BP0.1: 8 residues within 4Å: Chain A: L.103, F.104, L.105, Y.176 Chain B: N.101, K.102, F.104 Ligands: BP0.3 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.104 Hydrogen bonds: B:N.101, A:L.105, A:Y.176 BP0.3: 8 residues within 4Å: Chain A: N.101, K.102, F.104 Chain B: L.103, F.104, L.105, Y.176 Ligands: BP0.1 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:F.104 Hydrogen bonds: B:L.105 BP0.5: 8 residues within 4Å: Chain C: L.103, F.104, L.105, Y.176 Chain D: N.101, K.102, F.104 Ligands: BP0.7 4 PLIP interactions: 2 interactions with chain C, 2 interactions with chain D Hydrogen bonds: C:L.105, C:Y.176, D:N.101 Hydrophobic interactions: D:F.104 BP0.7: 8 residues within 4Å: Chain C: N.101, K.102, F.104 Chain D: L.103, F.104, L.105, Y.176 Ligands: BP0.5 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:L.105 Hydrophobic interactions: C:F.104

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

SO4.2: 4 residues within 4Å: Chain A: F.155, S.156, N.157, A.158 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.157, A:A.158 SO4.4: 4 residues within 4Å: Chain B: F.155, S.156, N.157, A.158 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.157, B:A.158 SO4.6: 4 residues within 4Å: Chain C: F.155, S.156, N.157, A.158 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:N.157, C:A.158 SO4.8: 4 residues within 4Å: Chain D: F.155, S.156, N.157, A.158 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.157, D:A.158

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Thangavelu, K. et al., Structural basis for the allosteric inhibitory mechanism of human kidney-type glutaminase (KGA) and its regulation by Raf-Mek-Erk signaling in cancer cell metabolism. Proc.Natl.Acad.Sci.USA (2012)

Release Date

2012-06-13

Peptides

Glutaminase kidney isoform, mitochondrial: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Glutaminase kidney isoform, mitochondrial

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