Chemical elements
  Potassium
    Isotopes
    Energy
    Preparation
    Physical Properties
    Chemical Properties
    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
    PDB 3hqp-3l01
    PDB 3l0u-3oi5
    PDB 3oia-3r9b
      3oia
      3ol5
      3or6
      3or7
      3osd
      3oto
      3ouf
      3ous
      3ow2
      3oyt
      3p0z
      3p10
      3p1c
      3p1d
      3p1e
      3p1f
      3p1m
      3p1v
      3p6m
      3p6n
      3p6o
      3p6p
      3p6t
      3pdr
      3pei
      3pi7
      3pio
      3pip
      3pjz
      3ply
      3pox
      3pp7
      3pp9
      3pw3
      3py5
      3py6
      3q1y
      3q3v
      3q8h
      3q9b
      3q9c
      3q9e
      3q9f
      3qcr
      3qh8
      3qhd
      3qov
      3qre
      3r6r
      3r9b
    PDB 3rde-4e6k
    PDB 4edj-8gep

Potassium in the structure of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q (pdb 3or6)






The binding sites of Potassium atom in the structure of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q (pdb code 3or6). This binding sites where shown with 5.0 Angstroms radius around Potassium atom.
The 3or6 structure was solved by S.CHAKRAPANI, J.F.CORDERO-MORALES, V.JOGINI, E.PEROZO, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)20.0-2.7
Space groupI4
a (A)155.679
b (A)155.679
c (A)76.109
alpha (°)90.00
beta (°)90.00
gamma (°)90.00
Rfactor (%)22.6
Rfree (%)26.8


Potassium Binding Sites:

Potassium binding site 1 out of 7 in 3or6


Potassium binding site 1 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 1 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 3or6. 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, C: K2, C: K7,

conact list:


AtomAtomDistance (A)
KO C:Gly773.62
KC C:Gly774.67
KO C:Tyr783.19
KN C:Tyr784.99
KC C:Tyr783.62
KCA C:Tyr784.26
KN C:Gly794.20
KCA C:Gly794.38
KK C:K23.40
KK C:K74.41

interactive model:


Potassium binding site 2 out of 7 in 3or6


Potassium binding site 2 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 2 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 3or6. 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: Val76, C: Gly77, C: Tyr78, C: K1, C: K3,

conact list:


AtomAtomDistance (A)
KO C:Val763.18
KC C:Val764.33
KO C:Gly773.08
KN C:Gly774.99
KC C:Gly773.95
KCA C:Gly774.65
KN C:Tyr784.80
KCA C:Tyr784.91
KK C:K13.40
KK C:K33.21

interactive model:


Potassium binding site 3 out of 7 in 3or6


Potassium binding site 3 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 3 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 3or6. 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, C: K4,

conact list:


AtomAtomDistance (A)
KO C:Thr753.06
KC C:Thr754.17
KO C:Val763.17
KN C:Val764.66
KC C:Val763.87
KCA C:Val764.12
KN C:Gly774.94
KK C:K23.21
KK C:K43.34

interactive model:


Potassium binding site 4 out of 7 in 3or6


Potassium binding site 4 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 4 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 3or6. 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: K3,

conact list:


AtomAtomDistance (A)
KO C:Thr753.29
KCB C:Thr753.74
KCG2 C:Thr754.90
KOG1 C:Thr753.35
KC C:Thr754.06
KCA C:Thr754.62
KN C:Val764.90
KK C:K33.34

interactive model:


Potassium binding site 5 out of 7 in 3or6


Potassium binding site 5 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 5 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 5 of Potassium in the PDB 3or6. 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: Hoh125, C: Hoh126,

conact list:


AtomAtomDistance (A)
KO C:Hoh1253.49
KO C:Hoh1263.44

interactive model:


Potassium binding site 6 out of 7 in 3or6


Potassium binding site 6 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 6 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 6 of Potassium in the PDB 3or6. 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: K7, C: Hoh127,

conact list:


AtomAtomDistance (A)
KK C:K73.04
KO C:Hoh1273.50

interactive model:


Potassium binding site 7 out of 7 in 3or6


Potassium binding site 7 out of 7 in 3or6
Click to enlarge
stereopicture of Potassium binding site 7 out of 7 in 3or6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 7 of Potassium in the PDB 3or6. 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, C: Gly79, C: K1, C: K6, C: Hoh127,

conact list:


AtomAtomDistance (A)
KO C:Tyr784.36
KO C:Gly794.93
KCA C:Gly794.86
KK C:K14.41
KK C:K63.04
KO C:Hoh1274.12

interactive model:




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