SMTL ID : 6ale.1

A V-to-F substitution in SK2 channels causes Ca2+ hypersensitivity and improves locomotion in a C. elegans ALS model

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-mer

Ligands

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 5 residues within 4Å: Chain A: R.35, K.57, H.58, K.61 Ligands: SO4.2 4 PLIP interactions: 4 interactions with chain A Salt bridges: A:R.35, A:K.57, A:H.58, A:K.61 SO4.2: 3 residues within 4Å: Chain A: R.60, K.61 Ligands: SO4.1 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.60, A:K.61 SO4.3: 4 residues within 4Å: Chain A: K.8 Chain B: K.76, D.77, T.78 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Salt bridges: A:K.8, B:K.76 Hydrogen bonds: B:T.78 SO4.8: 2 residues within 4Å: Chain B: H.106, N.110 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.110 Water bridges: B:T.109, B:T.109 Salt bridges: B:H.106

1 x 1KP: (3E)-6,7-dichloro-3-(hydroxyimino)-1,3-dihydro-2H-indol-2-one(Non-covalent)

1KP.4: 10 residues within 4Å: Chain A: E.10, N.15, F.16, A.83, V.87 Chain B: M.50, E.53, V.54, M.70, K.74 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:A.83, A:V.87, B:K.74 Hydrogen bonds: A:N.15, B:K.74, B:K.74 Halogen bonds: B:M.50

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

2 x CA: CALCIUM ION(Non-covalent)

CA.6: 5 residues within 4Å: Chain B: D.19, D.21, D.23, T.25, E.30 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.19, B:D.21, B:D.23, B:T.25, B:E.30 CA.7: 6 residues within 4Å: Chain B: D.55, D.57, N.59, T.61, D.63, E.66 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.57, B:T.61, B:E.66, B:E.66

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nam, Y.W. et al., A V-to-F substitution in SK2 channels causes Ca2+hypersensitivity and improves locomotion in a C. elegans ALS model. Sci Rep (2018)

Release Date

2018-08-08

Peptides

Small conductance calcium-activated potassium channel protein 2: A
Calmodulin-2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
R

Small conductance calcium-activated potassium channel protein 2

Calmodulin-2

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