Chemical elements
  Potassium
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    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
    PDB 3rde-4e6k
      3rde
      3rj8
      3ror
      3s3x
      3sil
      3srd
      3srf
      3srk
      3stl
      3stz
      3t86
      3tlm
      3unf
      3unh
      3ut9
      3v3z
      3v7q
      3vbf
      3vbh
      3veh
      3vjf
      3vkp
      3vkq
      3vkr
      3vks
      3vkt
      3vrs
      4a01
      4a0m
      4ae4
      4aeb
      4aob
      4aop
      4aqy
      4av6
      4aw7
      4dd8
      4dgr
      4dgv
      4dii
      4dk9
      4doo
      4dur
      4dxr
      4dxs
      4dxt
      4e0w
      4e2g
      4e48
      4e6k
    PDB 4edj-8gep

Potassium in the structure of Mouse 20S Immunoproteasome (pdb 3unh)






The binding sites of Potassium atom in the structure of Mouse 20S Immunoproteasome (pdb code 3unh). This binding sites where shown with 5.0 Angstroms radius around Potassium atom.
The 3unh structure was solved by E.HUBER, M.BASLER, R.SCHWAB, W.HEINEMEYER, C.KIRK, M.GROETTRUP, M.GROLL, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)15.0-3.2
Space groupP1211
a (A)118.280
b (A)205.220
c (A)161.940
alpha (°)90.00
beta (°)105.70
gamma (°)90.00
Rfactor (%)23.9
Rfree (%)25.4


Potassium Binding Sites:

Potassium binding site 1 out of 10 in 3unh


Potassium binding site 1 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 1 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 3unh. 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: Arg94, C: Glu98, C: Asp99, C: Pro100, J: Lys62, C: Hoh258,

conact list:


AtomAtomDistance (A)
KCD C:Arg944.48
KCZ C:Arg944.47
KCG C:Arg944.33
KNE C:Arg943.78
KNH2 C:Arg944.43
KO C:Glu982.83
KC C:Glu984.05
KCG C:Glu984.91
KCA C:Glu984.92
KN C:Asp994.98
KC C:Asp994.77
KN C:Pro1004.69
KCD C:Pro1004.56
KCG C:Pro1004.55
KNZ J:Lys624.57
KO C:Hoh2582.81

interactive model:


Potassium binding site 2 out of 10 in 3unh


Potassium binding site 2 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 2 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 3unh. 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: D: Arg12, D: Leu13, D: Val16, D: Glu17, D: Ser151, E: Leu74, D: Hoh444,

conact list:


AtomAtomDistance (A)
KCB D:Arg124.20
KC D:Arg124.74
KCA D:Arg124.40
KO D:Leu134.75
KN D:Leu134.00
KCB D:Leu134.76
KCA D:Leu134.90
KCB D:Val164.19
KCG2 D:Val164.72
KCG1 D:Val163.87
KOE1 D:Glu174.21
KCD D:Glu174.91
KCB D:Ser1514.48
KCD2 E:Leu743.97
KO D:Hoh4444.54

interactive model:


Potassium binding site 3 out of 10 in 3unh


Potassium binding site 3 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 3 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 3unh. 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: E: Asn1, E: Tyr3, E: Ser11, E: Pro12, E: Gln13, E: His17, E: Hoh271,

conact list:


AtomAtomDistance (A)
KND2 E:Asn14.91
KOD1 E:Asn13.72
KCG E:Asn14.70
KCD1 E:Tyr34.12
KCE1 E:Tyr34.41
KOG E:Ser114.15
KCD E:Pro124.65
KNE2 E:Gln133.35
KOE1 E:Gln134.02
KCD E:Gln134.13
KNE2 E:His174.55
KO E:Hoh2712.94

interactive model:


Potassium binding site 4 out of 10 in 3unh


Potassium binding site 4 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 4 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 3unh. 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: F: Tyr140, F: Ala142, F: Glu218, F: Lys221, F: Gly222, F: Hoh295,

conact list:


AtomAtomDistance (A)
KCD1 F:Tyr1404.63
KCE1 F:Tyr1404.24
KN F:Ala1424.60
KCB F:Ala1424.80
KCG F:Glu2184.77
KCA F:Glu2184.92
KO F:Lys2214.10
KC F:Lys2214.13
KCA F:Lys2214.59
KN F:Gly2224.39
KCA F:Gly2224.68
KO F:Hoh2952.73

interactive model:


Potassium binding site 5 out of 10 in 3unh


Potassium binding site 5 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 5 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 5 of Potassium in the PDB 3unh. 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: H: Thr55, H: Met58, H: Ala59, H: Lys62, H: Ile82, H: Leu83, H: Thr86,

conact list:


AtomAtomDistance (A)
KO H:Thr553.84
KCG2 H:Thr554.46
KC H:Thr554.83
KO H:Met584.91
KCB H:Met583.97
KC H:Met584.33
KCA H:Met584.80
KN H:Ala593.84
KCB H:Ala594.22
KCA H:Ala594.11
KCE H:Lys623.97
KNZ H:Lys624.33
KO H:Ile824.68
KCG2 H:Ile823.90
KC H:Ile824.90
KN H:Leu834.95
KCD2 H:Leu834.52
KCA H:Leu834.72
KCB H:Thr863.97
KCG2 H:Thr864.06
KOG1 H:Thr863.62

interactive model:


Potassium binding site 6 out of 10 in 3unh


Potassium binding site 6 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 6 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 6 of Potassium in the PDB 3unh. 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: K: Asn38, K: Cys63, K: Arg64, K: Tyr67, K: Arg73,

conact list:


AtomAtomDistance (A)
KCB K:Asn384.48
KND2 K:Asn383.61
KOD1 K:Asn382.12
KCG K:Asn383.17
KO K:Cys633.71
KCB K:Cys634.98
KC K:Cys634.18
KN K:Arg644.33
KCB K:Arg644.82
KCG K:Arg644.41
KCA K:Arg644.08
KCB K:Tyr673.63
KCD1 K:Tyr674.80
KCD2 K:Tyr674.35
KCG K:Tyr674.05
KCZ K:Arg734.31
KCG K:Arg734.81
KNE K:Arg734.80
KNH2 K:Arg734.36
KNH1 K:Arg734.34

interactive model:


Potassium binding site 7 out of 10 in 3unh


Potassium binding site 7 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 7 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 7 of Potassium in the PDB 3unh. 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: S: Asn1, S: Tyr3, S: Ser11, S: Pro12, S: Gln13, S: Hoh269, S: Hoh348,

conact list:


AtomAtomDistance (A)
KOD1 S:Asn14.61
KCD1 S:Tyr34.41
KCE1 S:Tyr34.44
KOG S:Ser114.24
KCB S:Pro124.90
KCD S:Pro124.35
KCG S:Pro124.50
KNE2 S:Gln132.81
KOE1 S:Gln134.01
KCD S:Gln133.82
KO S:Hoh2692.67
KO S:Hoh3482.79

interactive model:


Potassium binding site 8 out of 10 in 3unh


Potassium binding site 8 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 8 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 8 of Potassium in the PDB 3unh. 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: T: Tyr140, T: Ser141, T: Ala142, T: Glu218, T: Lys221, T: Gly222, T: Hoh257,

conact list:


AtomAtomDistance (A)
KCD1 T:Tyr1404.55
KCE1 T:Tyr1404.15
KC T:Ser1414.94
KN T:Ala1424.55
KCB T:Ala1424.78
KCG T:Glu2184.74
KCA T:Glu2184.88
KO T:Lys2214.14
KC T:Lys2214.15
KCA T:Lys2214.61
KN T:Gly2224.37
KCA T:Gly2224.66
KO T:Hoh2572.79

interactive model:


Potassium binding site 9 out of 10 in 3unh


Potassium binding site 9 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 9 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 9 of Potassium in the PDB 3unh. 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: Y: Ser18, Y: Arg30, Y: Met31, Y: Asn32, Y: Val173, Y: Asn175, Y: Ser189, Y: Hoh406,

conact list:


AtomAtomDistance (A)
KCB Y:Ser184.93
KO Y:Arg303.14
KC Y:Arg304.07
KCG Y:Arg304.54
KCA Y:Arg304.70
KO Y:Met314.21
KN Y:Met314.97
KC Y:Met314.44
KN Y:Asn324.57
KCB Y:Asn324.60
KOD1 Y:Asn324.66
KCG Y:Asn324.91
KCA Y:Asn324.57
KCG2 Y:Val1734.60
KND2 Y:Asn1753.80
KOD1 Y:Asn1754.09
KCG Y:Asn1754.35
KOG Y:Ser1894.89
KO Y:Hoh4062.89

interactive model:


Potassium binding site 10 out of 10 in 3unh


Potassium binding site 10 out of 10 in 3unh
Click to enlarge
stereopicture of Potassium binding site 10 out of 10 in 3unh
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 10 of Potassium in the PDB 3unh. 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: N: Arg165, a: Arg35, b: Gln122, b: Phe124, b: Thr125, b: Ile126, b: Tyr135, b: Val138, a: Hoh224,

conact list:


AtomAtomDistance (A)
KNH2 N:Arg1654.86
KNH1 N:Arg1654.36
KNH1 a:Arg354.08
KOE1 b:Gln1224.48
KO b:Phe1244.28
KCD1 b:Phe1244.86
KCZ b:Phe1244.60
KCE1 b:Phe1244.36
KCA b:Thr1254.89
KN b:Ile1264.76
KCD1 b:Ile1264.66
KCG1 b:Ile1264.26
KCE2 b:Tyr1354.52
KCD2 b:Tyr1354.76
KCG2 b:Val1384.92
KO a:Hoh2242.62

interactive model:




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