SMTL ID : 2q0r.1

Structure of Pectenotoxin-2 Bound to Actin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

monomer

Ligands

4 x CA: CALCIUM ION(Non-functional Binders)(Non-covalent)

CA.1: 1 residues within 4Å: Ligands: ATP.5 No protein-ligand interaction detected (PLIP) CA.2: 2 residues within 4Å: Chain A: Q.263, S.265 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.265, H2O.1, H2O.2 CA.3: 1 residues within 4Å: Chain A: G.63 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:G.63, H2O.8 CA.4: 1 residues within 4Å: Chain A: S.323 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:S.323, H2O.6, H2O.8, H2O.13

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

ATP.5: 21 residues within 4Å: Chain A: G.13, S.14, G.15, L.16, K.18, G.74, 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.1 25 PLIP interactions: 25 interactions with chain A Hydrogen bonds: A:S.14, A:S.14, A:G.15, A:L.16, A:G.156, A:D.157, A:D.157, A:D.157, A:G.158, A:V.159, A:V.159, A:K.213, A:E.214, A:G.302, A:T.303 Water bridges: A:K.18, A:K.18, A:T.186, A:E.214, A:E.214, A:Y.306, A:K.336 Salt bridges: A:K.18, A:K.18 pi-Stacking: A:Y.306

1 x PXT: PECTENOTOXIN-2(Non-covalent)

PXT.6: 16 residues within 4Å: Chain A: I.75, E.107, A.108, P.109, L.110, N.111, P.112, R.116, P.172, H.173, I.175, M.176, R.177, D.179, K.284, C.374 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:I.75, A:L.110, A:P.112 Hydrogen bonds: A:N.111, A:N.111, A:R.177, A:R.177

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Allingham, J.S. et al., A structural basis for regulation of actin polymerization by pectenotoxins. J.Mol.Biol. (2007)

Release Date

2007-07-17

Peptides

Actin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Actin

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