SMTL ID : 3c1i.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-trimer

Ligands

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

ACT.1: 5 residues within 4Å: Chain A: W.148, D.160, F.161, S.219, Y.278 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.161 Hydrogen bonds: A:Y.278, A:Y.278 ACT.3: 5 residues within 4Å: Chain B: W.148, D.160, F.161, S.219, Y.278 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:F.161 Hydrogen bonds: B:Y.278, B:Y.278 ACT.5: 5 residues within 4Å: Chain C: W.148, D.160, F.161, S.219, Y.278 3 PLIP interactions: 3 interactions with chain C Hydrophobic interactions: C:F.161 Hydrogen bonds: C:Y.278, C:Y.278

3 x LDA: LAURYL DIMETHYLAMINE-N-OXIDE(Non-covalent)

LDA.2: 20 residues within 4Å: Chain A: M.23, I.28, F.31, Y.32, F.107, I.110, L.114, A.162, V.167, H.168, L.208, W.212, A.215, N.216, I.266, T.273, C.312, D.313, V.314, H.318 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:F.31, A:F.107, A:I.110, A:A.162, A:V.167, A:L.208, A:W.212, A:W.212, A:W.212, A:A.215, A:I.266, A:I.266, A:T.273 Hydrogen bonds: A:D.313 LDA.4: 20 residues within 4Å: Chain B: M.23, I.28, F.31, Y.32, F.107, I.110, L.114, A.162, V.167, H.168, L.208, W.212, A.215, N.216, I.266, T.273, C.312, D.313, V.314, H.318 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:F.31, B:F.107, B:I.110, B:A.162, B:V.167, B:L.208, B:W.212, B:W.212, B:W.212, B:A.215, B:I.266, B:I.266, B:T.273 Hydrogen bonds: B:D.313 LDA.6: 20 residues within 4Å: Chain C: M.23, I.28, F.31, Y.32, F.107, I.110, L.114, A.162, V.167, H.168, L.208, W.212, A.215, N.216, I.266, T.273, C.312, D.313, V.314, H.318 14 PLIP interactions: 14 interactions with chain C Hydrophobic interactions: C:F.31, C:F.107, C:I.110, C:A.162, C:V.167, C:L.208, C:W.212, C:W.212, C:W.212, C:A.215, C:I.266, C:I.266, C:T.273 Hydrogen bonds: C:D.313

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