Chemical elements
  Potassium
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    PDB 1a3w-1dul
    PDB 1dz4-1j95
    PDB 1jbr-1lqp
    PDB 1lrt-1o07
    PDB 1o76-1qb9
    PDB 1qj5-1t86
    PDB 1t87-1vq9
    PDB 1vqk-1yj9
    PDB 1yjn-2aop
    PDB 2apo-2f4v
    PDB 2fbw-2hg9
    PDB 2hh1-2oij
    PDB 2oiy-2uxb
    PDB 2uxc-2x20
    PDB 2x21-3c0y
    PDB 3c0z-3dix
    PDB 3diy-3f5w
    PDB 3f7j-3hqo
      3f7j
      3f7v
      3f7y
      3f8v
      3f94
      3f9l
      3fa0
      3far
      3fb5
      3fb6
      3fd5
      3fgo
      3fgu
      3fkv
      3fkw
      3fn2
      3fpb
      3ftf
      3ftm
      3fwf
      3fwg
      3fwi
      3fwj
      3fwp
      3g4s
      3g6e
      3g71
      3g78
      3gah
      3gai
      3gaj
      3ge2
      3gjk
      3gko
      3gvf
      3gvx
      3gx3
      3gx5
      3h4k
      3h7c
      3h8f
      3h8g
      3hc1
      3hfw
      3hhe
      3hjw
      3hog
      3hpl
      3hqn
      3hqo
    PDB 3hqp-3l01
    PDB 3l0u-3oi5
    PDB 3oia-3r9b
    PDB 3rde-4e6k
    PDB 4edj-8gep

Potassium in the structure of Kcsa Potassium Channel in the Partially Open State With 16 A Opening At T112 (pdb 3fb6)






The binding sites of Potassium atom in the structure of Kcsa Potassium Channel in the Partially Open State With 16 A Opening At T112 (pdb code 3fb6). This binding sites where shown with 5.0 Angstroms radius around Potassium atom.
The 3fb6 structure was solved by L.G.CUELLO, V.JOGINI, D.M.CORTES, E.PEROZO, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)40.0-3.0
Space groupI4
a (A)155.713
b (A)155.713
c (A)74.072
alpha (°)90.00
beta (°)90.00
gamma (°)90.00
Rfactor (%)24.8
Rfree (%)25.5


Potassium Binding Sites:

Potassium binding site 1 out of 5 in 3fb6


Potassium binding site 1 out of 5 in 3fb6
Click to enlarge
stereopicture of Potassium binding site 1 out of 5 in 3fb6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 3fb6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres:

conact list:


AtomAtomDistance (A)

interactive model:


Potassium binding site 2 out of 5 in 3fb6


Potassium binding site 2 out of 5 in 3fb6
Click to enlarge
stereopicture of Potassium binding site 2 out of 5 in 3fb6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 3fb6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: C: Thr75, C: K3,

conact list:


AtomAtomDistance (A)
KO C:Thr753.27
KCB C:Thr753.71
KCG2 C:Thr754.85
KOG1 C:Thr753.26
KC C:Thr754.13
KCA C:Thr754.62
KK C:K34.05

interactive model:


Potassium binding site 3 out of 5 in 3fb6


Potassium binding site 3 out of 5 in 3fb6
Click to enlarge
stereopicture of Potassium binding site 3 out of 5 in 3fb6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 3fb6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: C: Thr75, C: Val76, C: Gly77, C: K2,

conact list:


AtomAtomDistance (A)
KO C:Thr753.21
KC C:Thr754.32
KO C:Val763.25
KN C:Val764.81
KC C:Val763.75
KCA C:Val764.29
KO C:Gly774.35
KN C:Gly774.45
KC C:Gly774.90
KCA C:Gly774.76
KK C:K24.05

interactive model:


Potassium binding site 4 out of 5 in 3fb6


Potassium binding site 4 out of 5 in 3fb6
Click to enlarge
stereopicture of Potassium binding site 4 out of 5 in 3fb6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 3fb6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: C: Gly77, C: Tyr78, C: Gly79,

conact list:


AtomAtomDistance (A)
KO C:Gly773.25
KC C:Gly774.34
KO C:Tyr783.16
KN C:Tyr784.78
KC C:Tyr783.66
KCA C:Tyr784.29
KN C:Gly794.31
KCA C:Gly794.49

interactive model:


Potassium binding site 5 out of 5 in 3fb6


Potassium binding site 5 out of 5 in 3fb6
Click to enlarge
stereopicture of Potassium binding site 5 out of 5 in 3fb6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 5 of Potassium in the PDB 3fb6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: C: Tyr78,

conact list:


AtomAtomDistance (A)
KO C:Tyr784.80

interactive model:




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