SMTL ID : 4gy2.1

Crystal structure of apo-Ia-actin complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.71 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 6 residues within 4Å: Chain A: R.10, W.24, E.28, I.90, D.91, K.92 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.28, A:D.91, A:D.91, A:D.91, A:K.92 Salt bridges: A:R.10

1 x CA: CALCIUM ION(Non-functional Binders)

CA.2: 1 residues within 4Å: Ligands: ATP.3 No protein-ligand interaction detected (PLIP)

1 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.3: 21 residues within 4Å: Chain B: G.13, S.14, G.15, L.16, K.18, G.156, D.157, G.158, V.159, G.182, R.210, K.213, E.214, G.301, G.302, T.303, M.305, Y.306, K.336 Ligands: CA.2, LAR.4 24 PLIP interactions: 24 interactions with chain B Hydrogen bonds: B:S.14, B:S.14, B:G.15, B:L.16, B:L.16, B:G.156, B:D.157, B:D.157, B:D.157, B:G.158, B:V.159, B:V.159, B:K.213, B:E.214, B:E.214, B:G.302, B:T.303, B:K.336 Water bridges: B:K.18, B:K.18, B:Y.306 Salt bridges: B:K.18, B:K.18 pi-Stacking: B:Y.306

1 x LAR: LATRUNCULIN A(Non-covalent)

LAR.4: 14 residues within 4Å: Chain B: G.15, L.16, P.32, L.67, Y.69, D.157, G.182, R.183, T.186, R.206, E.207, R.210, K.213 Ligands: ATP.3 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:L.16, B:P.32, B:P.32, B:E.207 Hydrogen bonds: B:Y.69, B:D.157, B:T.186, B:E.207, B:K.213 Salt bridges: B:R.210

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tsurumura, T. et al., Arginine ADP-ribosylation mechanism based on structural snapshots of iota-toxin and actin complex. Proc.Natl.Acad.Sci.USA (2013)

Release Date

2013-02-20

Peptides

Iota toxin component Ia: A
Actin, alpha skeletal muscle: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Iota toxin component Ia

Actin, alpha skeletal muscle

Related Entries With Identical Sequence