SMTL ID : 1g4y.1

1.60 A CRYSTAL STRUCTURE OF THE GATING DOMAIN FROM SMALL CONDUCTANCE POTASSIUM CHANNEL COMPLEXED WITH CALCIUM-CALMODULIN

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

hetero-2-2-mer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: R.36, K.58, H.59, K.62 Chain D: E.114 5 PLIP interactions: 5 interactions with chain A Water bridges: A:H.59 Salt bridges: A:R.36, A:K.58, A:H.59, A:K.62 SO4.4: 5 residues within 4Å: Chain B: E.114 Chain C: R.36, K.58, H.59, K.62 5 PLIP interactions: 5 interactions with chain C Water bridges: C:H.59 Salt bridges: C:R.36, C:K.58, C:H.59, C:K.62

4 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain B: D.20, D.22, D.24, T.26, E.31 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.20, B:D.24, B:T.26, B:E.31, H2O.4 CA.3: 7 residues within 4Å: Chain B: D.56, A.57, D.58, G.59, N.60, T.62, E.67 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.56, B:D.58, B:T.62, B:E.67 CA.5: 5 residues within 4Å: Chain D: D.20, D.22, D.24, T.26, E.31 5 PLIP interactions: 4 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:D.20, D:D.24, D:T.26, D:E.31, H2O.12 CA.6: 7 residues within 4Å: Chain D: D.56, A.57, D.58, G.59, N.60, T.62, E.67 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.56, D:D.58, D:T.62, D:E.67

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schumacher, M.A. et al., Structure of the gating domain of a Ca2+-activated K+ channel complexed with Ca2+/calmodulin. Nature (2001)

Release Date

2001-05-09

Peptides

CALCIUM-ACTIVATED POTASSIUM CHANNEL RSK2: AC
CALMODULIN: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

C
B

B
R

D
R

CALCIUM-ACTIVATED POTASSIUM CHANNEL RSK2

CALMODULIN

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