SMTL ID : 2a5d.1

Structural basis for the activation of cholera toxin by human ARF6-GTP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: T.27, T.44 Ligands: GTP.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.27, A:T.44, H2O.2, H2O.2

1 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.2: 21 residues within 4Å: Chain A: L.21, D.22, A.23, A.24, G.25, K.26, T.27, T.28, T.41, P.43, T.44, G.65, G.66, N.122, K.123, D.125, L.126, C.155, A.156, T.157 Ligands: MG.1 26 PLIP interactions: 26 interactions with chain A Hydrogen bonds: A:A.23, A:A.24, A:G.25, A:K.26, A:T.27, A:T.28, A:T.28, A:T.41, A:T.44, A:T.44, A:T.44, A:T.44, A:G.66, A:N.122, A:K.123, A:K.123, A:A.156, A:T.157 Water bridges: A:T.28, A:V.39, A:T.41, A:Q.67, A:Q.67 Salt bridges: A:K.26, A:K.26, A:D.125

1 x NA: SODIUM ION(Non-functional Binders)

NA.3: 4 residues within 4Å: Chain B: N.2, T.91, Y.151, L.154 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.91, B:T.91

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 8 residues within 4Å: Chain A: K.69, P.72 Chain B: A.160, D.161, G.162, Y.163, G.164, H.183 5 PLIP interactions: 1 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:K.69, B:Y.163, B:G.164 Water bridges: B:D.161 Salt bridges: B:H.183

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

O'Neal, C.J. et al., Structural basis for the activation of cholera toxin by human ARF6-GTP. Science (2005)

Release Date

2005-08-16

Peptides

ADP-ribosylation factor 6: A
Cholera enterotoxin, A chain: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ADP-ribosylation factor 6

Cholera enterotoxin, A chain

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