SMTL ID : 4pki.1

Complex of ATP-actin With the C-terminal Actin-Binding Domain of Tropomodulin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

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

ATP.1: 21 residues within 4Å: Chain A: G.15, S.16, G.17, L.18, K.20, G.76, G.158, D.159, G.160, V.161, G.184, R.212, K.215, E.216, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: CA.2 26 PLIP interactions: 26 interactions with chain A Hydrogen bonds: A:S.16, A:S.16, A:G.17, A:L.18, A:G.76, A:G.158, A:G.158, A:D.159, A:G.160, A:V.161, A:V.161, A:K.215, A:E.216, A:G.304, A:T.305, A:K.338 Water bridges: A:K.20, A:K.20, A:D.156, A:D.156, A:D.156, A:D.156, A:K.338 Salt bridges: A:K.20, A:K.20 pi-Stacking: A:Y.308

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

CA.2: 3 residues within 4Å: Chain A: G.15, K.20 Ligands: ATP.1 No protein-ligand interaction detected (PLIP) CA.3: 5 residues within 4Å: Chain A: E.169 Chain B: D.85, G.90, A.92, Q.94 5 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:D.85, B:A.92, A:E.169, H2O.6, H2O.6 CA.4: 6 residues within 4Å: Chain B: G.41, D.42, C.69, E.73, G.120, V.121 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.42, B:E.73, B:V.121, H2O.6, H2O.8

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rao, J.N. et al., Actin cytoskeleton. Mechanism of actin filament pointed-end capping by tropomodulin. Science (2014)

Release Date

2014-07-30

Peptides

Actin, alpha skeletal muscle: A
Gelsolin,Tropomodulin-1 chimera: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
G

Actin, alpha skeletal muscle

Gelsolin,Tropomodulin-1 chimera

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