SMTL ID : 2nuu.3 (4 other biounits)

Regulating the Escherichia coli ammonia channel: the crystal structure of the AmtB-GlnK complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-6-6-mer

Ligands

6 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 22 residues within 4Å: Chain G: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103, L.112 Chain H: I.7, G.35, F.36, G.37, R.38, Q.39, K.58, I.86, G.87, D.88, G.89, K.90, F.92 15 PLIP interactions: 9 interactions with chain H, 6 interactions with chain G Hydrogen bonds: H:F.36, H:R.38, H:Q.39, H:G.87, H:D.88, H:G.89, H:G.89, G:T.29, G:A.64, G:A.64 Salt bridges: H:K.90, H:K.90, G:R.101, G:R.103 Water bridges: G:I.102 ADP.2: 19 residues within 4Å: Chain G: I.7, G.35, F.36, R.38, Q.39, K.58, I.86, G.87, D.88, G.89, K.90 Chain I: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103 14 PLIP interactions: 9 interactions with chain G, 5 interactions with chain I Hydrogen bonds: G:R.38, G:Q.39, G:G.87, G:D.88, G:G.89, I:T.29, I:A.64, I:A.64 Water bridges: G:G.35, G:G.89 Salt bridges: G:K.90, G:K.90, I:R.101, I:R.103 ADP.3: 20 residues within 4Å: Chain H: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103, L.112 Chain I: I.7, G.35, F.36, G.37, R.38, Q.39, I.86, G.87, G.89, K.90, F.92 14 PLIP interactions: 5 interactions with chain H, 9 interactions with chain I Hydrogen bonds: H:T.29, H:A.64, H:A.64, I:F.36, I:R.38, I:Q.39, I:G.87, I:D.88, I:G.89, I:K.90 Salt bridges: H:R.101, H:R.103, I:K.90, I:K.90 ADP.4: 22 residues within 4Å: Chain J: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103, L.112 Chain K: I.7, G.35, F.36, G.37, R.38, Q.39, K.58, I.86, G.87, D.88, G.89, K.90, F.92 11 PLIP interactions: 4 interactions with chain J, 7 interactions with chain K Hydrogen bonds: J:A.64, J:A.64, K:R.38, K:Q.39, K:G.87, K:D.88, K:G.89 Salt bridges: J:R.101, J:R.103, K:K.90, K:K.90 ADP.5: 21 residues within 4Å: Chain J: I.7, G.35, F.36, G.37, R.38, Q.39, K.58, I.86, G.87, D.88, G.89, K.90, F.92 Chain L: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103 14 PLIP interactions: 9 interactions with chain J, 5 interactions with chain L Hydrogen bonds: J:R.38, J:Q.39, J:G.87, J:D.88, J:G.89, J:G.89, L:A.64, L:A.64 Water bridges: J:F.36, L:I.102 Salt bridges: J:K.90, J:K.90, L:R.101, L:R.103 ADP.6: 21 residues within 4Å: Chain K: G.27, L.28, T.29, D.62, V.63, A.64, R.101, R.103 Chain L: I.7, G.35, F.36, G.37, R.38, Q.39, K.58, I.86, G.87, D.88, G.89, K.90, F.92 14 PLIP interactions: 9 interactions with chain L, 5 interactions with chain K Hydrogen bonds: L:R.38, L:R.38, L:Q.39, L:G.87, L:D.88, L:G.89, L:G.89, K:A.64, K:A.64 Salt bridges: L:K.90, L:K.90, K:R.101, K:R.103 Water bridges: K:I.102

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Conroy, M.J. et al., The crystal structure of the Escherichia coli AmtB-GlnK complex reveals how GlnK regulates the ammonia channel. Proc.Natl.Acad.Sci.Usa (2007)

Release Date

2006-11-21

Peptides

Ammonia channel: ABCDEF
Nitrogen regulatory protein P-II 2: GHIJKL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

I
I

J
J

K
K

L
L

Membrane

We predict this structure to be a membrane protein.
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Ammonia channel

Nitrogen regulatory protein P-II 2

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