SMTL ID : 3c1j.1

Substrate binding, deprotonation and selectivity at the periplasmic entrance of the E. coli ammonia channel AmtB

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-trimer

Ligands

3 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 7 residues within 4Å: Chain A: V.147, A.158, L.159, D.160, F.161, Y.278 Ligands: GOL.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.160, A:Y.278, A:Y.278 ACT.4: 7 residues within 4Å: Chain B: V.147, A.158, L.159, D.160, F.161, Y.278 Ligands: GOL.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:D.160, B:Y.278, B:Y.278 ACT.7: 7 residues within 4Å: Chain C: V.147, A.158, L.159, D.160, F.161, Y.278 Ligands: GOL.9 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:D.160, C:Y.278, C:Y.278

3 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 8 residues within 4Å: Chain A: M.23, I.110, A.162, V.167, H.168, W.212, A.215, T.273 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.168, A:T.273 IMD.5: 8 residues within 4Å: Chain B: M.23, I.110, A.162, V.167, H.168, W.212, A.215, T.273 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:H.168, B:T.273 IMD.8: 8 residues within 4Å: Chain C: M.23, I.110, A.162, V.167, H.168, W.212, A.215, T.273 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:H.168, C:T.273

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 7 residues within 4Å: Chain A: W.148, D.160, F.161, S.219, A.220, Y.278 Ligands: ACT.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.148, A:Y.278 GOL.6: 7 residues within 4Å: Chain B: W.148, D.160, F.161, S.219, A.220, Y.278 Ligands: ACT.4 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.148, B:Y.278 GOL.9: 7 residues within 4Å: Chain C: W.148, D.160, F.161, S.219, A.220, Y.278 Ligands: ACT.7 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:W.148, C:Y.278

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Javelle, A. et al., Substrate binding, deprotonation, and selectivity at the periplasmic entrance of the Escherichia coli ammonia channel AmtB. Proc.Natl.Acad.Sci.Usa (2008)

Release Date

2008-03-18

Peptides

Ammonia channel: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Membrane

We predict this structure to be a membrane protein.
Show / Hide

Ammonia channel