SMTL ID : 6i4g.1 (1 other biounit)

Crystal Structure of Plasmodium falciparum actin I (H74Q) in the Mg-K-ATP state

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-1-1-mer

Ligands

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

ATP.1: 23 residues within 4Å: Chain A: G.16, S.17, G.18, N.19, K.21, G.77, G.159, D.160, G.161, V.162, G.185, T.189, R.213, K.216, E.217, G.304, G.305, T.306, M.308, Y.309, K.339 Ligands: MG.2, K.3 24 PLIP interactions: 24 interactions with chain A Hydrogen bonds: A:S.17, A:S.17, A:G.18, A:N.19, A:N.19, A:G.159, A:D.160, A:D.160, A:G.161, A:V.162, A:V.162, A:K.216, A:E.217, A:E.217, A:G.305, A:K.339 Water bridges: A:K.21, A:K.21, A:K.21, A:K.21, A:Y.309 Salt bridges: A:K.21, A:K.21 pi-Stacking: A:Y.309

1 x MG: MAGNESIUM ION(Non-functional Binders)

MG.2: 2 residues within 4Å: Chain A: K.21 Ligands: ATP.1 No protein-ligand interaction detected (PLIP)

1 x K: POTASSIUM ION(Non-covalent)

K.3: 5 residues within 4Å: Chain A: D.157, S.158, G.159, V.162 Ligands: ATP.1 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:V.162, H2O.1

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain B: G.43, D.44, C.71, E.75, G.122, V.123 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.44, B:E.75, B:V.123, H2O.7, H2O.7 CA.5: 4 residues within 4Å: Chain A: E.170 Chain B: D.87, G.92, A.94 5 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: B:D.87, B:G.92, B:A.94, A:E.170, H2O.5

1 x BME: BETA-MERCAPTOETHANOL(Non-functional Binders)

BME.6: 4 residues within 4Å: Chain B: T.42, N.69, E.70, Q.101 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumpula, E.P. et al., Atomic view into Plasmodium actin polymerization, ATP hydrolysis, and fragmentation. Plos Biol. (2019)

Release Date

2019-06-26

Peptides

Actin-1: A
Gelsolin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
H

Actin-1

Gelsolin

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