SMTL ID : 5e1a.2 (1 other biounit)

Structure of KcsA with L24C/R117C mutations

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.40 Å

Oligo State

homo-tetramer

Ligands

16 x K: POTASSIUM ION(Non-covalent)

K.1: 15 residues within 4Å: Chain A: G.77, Y.78 Chain B: G.77, Y.78 Chain C: G.77, Y.78 Chain D: G.77, Y.78 Ligands: K.2, K.5, K.6, K.9, K.10, K.13, K.14 Ligand excluded by PLIP K.2: 19 residues within 4Å: Chain A: V.76, G.77 Chain B: V.76, G.77 Chain C: V.76, G.77 Chain D: V.76, G.77 Ligands: K.1, K.3, K.5, K.6, K.7, K.9, K.10, K.11, K.13, K.14, K.15 Ligand excluded by PLIP K.3: 19 residues within 4Å: Chain A: T.75, V.76 Chain B: T.75, V.76 Chain C: T.75, V.76 Chain D: T.75, V.76 Ligands: K.2, K.4, K.6, K.7, K.8, K.10, K.11, K.12, K.14, K.15, K.16 Ligand excluded by PLIP K.4: 11 residues within 4Å: Chain A: T.75 Chain B: T.75 Chain C: T.75 Chain D: T.75 Ligands: K.3, K.7, K.8, K.11, K.12, K.15, K.16 Ligand excluded by PLIP K.5: 15 residues within 4Å: Chain A: G.77, Y.78 Chain B: G.77, Y.78 Chain C: G.77, Y.78 Chain D: G.77, Y.78 Ligands: K.1, K.2, K.6, K.9, K.10, K.13, K.14 Ligand excluded by PLIP K.6: 19 residues within 4Å: Chain A: V.76, G.77 Chain B: V.76, G.77 Chain C: V.76, G.77 Chain D: V.76, G.77 Ligands: K.1, K.2, K.3, K.5, K.7, K.9, K.10, K.11, K.13, K.14, K.15 Ligand excluded by PLIP K.7: 19 residues within 4Å: Chain A: T.75, V.76 Chain B: T.75, V.76 Chain C: T.75, V.76 Chain D: T.75, V.76 Ligands: K.2, K.3, K.4, K.6, K.8, K.10, K.11, K.12, K.14, K.15, K.16 Ligand excluded by PLIP K.8: 11 residues within 4Å: Chain A: T.75 Chain B: T.75 Chain C: T.75 Chain D: T.75 Ligands: K.3, K.4, K.7, K.11, K.12, K.15, K.16 Ligand excluded by PLIP K.9: 15 residues within 4Å: Chain A: G.77, Y.78 Chain B: G.77, Y.78 Chain C: G.77, Y.78 Chain D: G.77, Y.78 Ligands: K.1, K.2, K.5, K.6, K.10, K.13, K.14 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain A: V.76, G.77 Chain B: V.76, G.77 Chain C: V.76, G.77 Chain D: V.76, G.77 Ligands: K.1, K.2, K.3, K.5, K.6, K.7, K.9, K.11, K.13, K.14, K.15 Ligand excluded by PLIP K.11: 19 residues within 4Å: Chain A: T.75, V.76 Chain B: T.75, V.76 Chain C: T.75, V.76 Chain D: T.75, V.76 Ligands: K.2, K.3, K.4, K.6, K.7, K.8, K.10, K.12, K.14, K.15, K.16 Ligand excluded by PLIP K.12: 11 residues within 4Å: Chain A: T.75 Chain B: T.75 Chain C: T.75 Chain D: T.75 Ligands: K.3, K.4, K.7, K.8, K.11, K.15, K.16 Ligand excluded by PLIP K.13: 15 residues within 4Å: Chain A: G.77, Y.78 Chain B: G.77, Y.78 Chain C: G.77, Y.78 Chain D: G.77, Y.78 Ligands: K.1, K.2, K.5, K.6, K.9, K.10, K.14 Ligand excluded by PLIP K.14: 19 residues within 4Å: Chain A: V.76, G.77 Chain B: V.76, G.77 Chain C: V.76, G.77 Chain D: V.76, G.77 Ligands: K.1, K.2, K.3, K.5, K.6, K.7, K.9, K.10, K.11, K.13, K.15 Ligand excluded by PLIP K.15: 19 residues within 4Å: Chain A: T.75, V.76 Chain B: T.75, V.76 Chain C: T.75, V.76 Chain D: T.75, V.76 Ligands: K.2, K.3, K.4, K.6, K.7, K.8, K.10, K.11, K.12, K.14, K.16 Ligand excluded by PLIP K.16: 11 residues within 4Å: Chain A: T.75 Chain B: T.75 Chain C: T.75 Chain D: T.75 Ligands: K.3, K.4, K.7, K.8, K.11, K.12, K.15 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kim, D.M. et al., Conformational heterogeneity in closed and open states of the KcsA potassium channel in lipid bicelles. J.Gen.Physiol. (2016)

Release Date

2016-07-13

Peptides

pH-gated potassium channel KcsA: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
C

C
C

D
C

Membrane

We predict this structure to be a membrane protein.
Show / Hide

pH-gated potassium channel KcsA