SMTL ID : 3czd.1

Crystal structure of human glutaminase in complex with L-glutamate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 4 residues within 4Å: Chain A: F.155, S.156, N.157, A.158 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.156, A:N.157, A:A.158 SO4.5: 4 residues within 4Å: Chain B: F.155, S.156, N.157, A.158 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:S.156, B:N.157, B:A.158

2 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.2: 11 residues within 4Å: Chain A: Y.31, Q.67, S.68, N.117, E.163, N.170, Y.196, C.200, Y.248, G.265, V.266 9 PLIP interactions: 7 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:V.266 Hydrogen bonds: A:Q.67, A:S.68, A:S.68, A:N.117, A:N.170, A:V.266, E.2, E.2 GLU.6: 11 residues within 4Å: Chain B: Y.31, Q.67, S.68, N.117, E.163, N.170, Y.196, C.200, Y.248, G.265, V.266 9 PLIP interactions: 2 Ligand-Ligand interactions, 7 interactions with chain B Hydrogen bonds: E.6, E.6, B:Q.67, B:S.68, B:S.68, B:N.117, B:N.170, B:V.266 Hydrophobic interactions: B:V.266

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 4 residues within 4Å: Chain A: R.164, E.165, D.168, F.171 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.165, A:D.168 GOL.4: 4 residues within 4Å: Chain A: Y.86, Y.90, P.184, E.185 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.90, A:E.185 GOL.7: 4 residues within 4Å: Chain B: R.164, E.165, D.168, F.171 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.165, B:D.168 GOL.8: 4 residues within 4Å: Chain B: Y.86, Y.90, P.184, E.185 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.90, B:E.185

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

2008-07-01

Peptides

Glutaminase kidney isoform: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Glutaminase kidney isoform

Related Entries With Identical Sequence