Chemical elements
  Potassium
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    Chemical Properties
    PDB 1a3w-1dul
      1a3w
      1a3x
      1a49
      1a5a
      1a5b
      1a9x
      1ad1
      1ad4
      1akd
      1aop
      1apx
      1aqf
      1arx
      1ary
      1arz
      1ax4
      1beu
      1bl8
      1bo8
      1bp0
      1bp6
      1bpj
      1bup
      1bw9
      1bxg
      1bxr
      1c1d
      1c1x
      1c30
      1c35
      1c38
      1c3o
      1c7j
      1ce8
      1cpe
      1cpg
      1cs0
      1d7r
      1d7s
      1d7u
      1d7v
      1dhp
      1dil
      1dim
      1dio
      1dk1
      1dka
      1doi
      1dtw
      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
    PDB 4edj-8gep

Potassium in the structure of Tryptophanase From Proteus Vulgaris (pdb 1ax4)






The binding sites of Potassium atom in the structure of Tryptophanase From Proteus Vulgaris (pdb code 1ax4). This binding sites where shown with 5.0 Angstroms radius around Potassium atom.
The 1ax4 structure was solved by M.N.ISUPOV, A.A.ANTSON, E.J.DODSON, G.G.DODSON, I.S.DEMENTIEVA, L.N.ZAKOMIRDINA, K.S.WILSON, Z.DAUTER, A.A.LEBEDEV, E.H.HARUTYUNYAN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)18.0-2.1
Space groupP212121
a (A)114.990
b (A)118.230
c (A)153.680
alpha (°)90.00
beta (°)90.00
gamma (°)90.00
Rfactor (%)18.7
Rfree (%)22.7


Potassium Binding Sites:

Potassium binding site 1 out of 4 in 1ax4


Potassium binding site 1 out of 4 in 1ax4
Click to enlarge
stereopicture of Potassium binding site 1 out of 4 in 1ax4
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 1ax4. 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: A: Ser52, A: Gly53, A: Thr54, A: Lys265, A: Asn271, B: Glu70, B: Ala305, B: Gly306, A: Hoh542, A: Hoh544, B: Hoh508, B: Hoh515,

conact list:


AtomAtomDistance (A)
KO A:Ser524.93
KO A:Gly532.82
KC A:Gly533.64
KCA A:Gly533.93
KN A:Thr544.75
KCE A:Lys2654.79
KO A:Asn2712.89
KCB A:Asn2713.94
KND2 A:Asn2714.83
KC A:Asn2713.86
KCG A:Asn2714.86
KCA A:Asn2714.06
KO B:Glu703.42
KOE1 B:Glu702.64
KCB B:Glu703.86
KOE2 B:Glu704.78
KCD B:Glu703.78
KC B:Glu704.18
KCG B:Glu704.35
KCA B:Glu704.12
KC B:Ala3054.83
KCB B:Ala3054.82
KCA B:Ala3054.31
KN B:Gly3064.33
KO A:Hoh5423.11
KO A:Hoh5442.87
KO B:Hoh5084.36
KO B:Hoh5152.87

interactive model:


Potassium binding site 2 out of 4 in 1ax4


Potassium binding site 2 out of 4 in 1ax4
Click to enlarge
stereopicture of Potassium binding site 2 out of 4 in 1ax4
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 1ax4. 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: A: Glu70, A: Leu304, A: Ala305, A: Gly306, B: Ser52, B: Gly53, B: Thr54, B: Lys265, B: Asn271, A: Hoh502, A: Hoh521, B: Hoh503, B: Hoh513,

conact list:


AtomAtomDistance (A)
KO A:Glu703.32
KOE1 A:Glu702.73
KCB A:Glu703.95
KOE2 A:Glu704.88
KCD A:Glu703.88
KC A:Glu704.14
KCG A:Glu704.45
KCA A:Glu704.14
KO A:Leu3044.92
KC A:Ala3054.82
KCB A:Ala3054.92
KCA A:Ala3054.30
KN A:Gly3064.33
KO B:Ser524.99
KO B:Gly532.90
KC B:Gly533.69
KCA B:Gly533.95
KN B:Thr544.80
KCE B:Lys2654.89
KO B:Asn2712.97
KCB B:Asn2714.01
KND2 B:Asn2714.78
KC B:Asn2713.95
KCG B:Asn2714.91
KCA B:Asn2714.16
KO A:Hoh5024.38
KO A:Hoh5212.66
KO B:Hoh5032.93
KO B:Hoh5132.83

interactive model:


Potassium binding site 3 out of 4 in 1ax4


Potassium binding site 3 out of 4 in 1ax4
Click to enlarge
stereopicture of Potassium binding site 3 out of 4 in 1ax4
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 1ax4. 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: Ser52, C: Gly53, C: Thr54, C: Lys265, C: Asn271, D: Glu70, D: Leu304, D: Ala305, D: Gly306, C: Hoh506, C: Hoh529, D: Hoh507, D: Hoh509,

conact list:


AtomAtomDistance (A)
KO C:Ser524.90
KO C:Gly532.85
KC C:Gly533.63
KCA C:Gly533.91
KN C:Thr544.73
KCE C:Lys2654.84
KO C:Asn2712.92
KCB C:Asn2713.99
KND2 C:Asn2714.87
KC C:Asn2713.91
KCG C:Asn2714.92
KCA C:Asn2714.16
KO D:Glu703.36
KOE1 D:Glu702.69
KCB D:Glu703.81
KOE2 D:Glu704.86
KCD D:Glu703.84
KC D:Glu704.09
KCG D:Glu704.42
KCA D:Glu704.04
KO D:Leu3044.94
KC D:Ala3054.91
KCB D:Ala3054.95
KCA D:Ala3054.38
KN D:Gly3064.39
KO C:Hoh5062.84
KO C:Hoh5292.97
KO D:Hoh5074.28
KO D:Hoh5092.73

interactive model:


Potassium binding site 4 out of 4 in 1ax4


Potassium binding site 4 out of 4 in 1ax4
Click to enlarge
stereopicture of Potassium binding site 4 out of 4 in 1ax4
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 1ax4. 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: Glu70, C: Leu304, C: Ala305, C: Gly306, D: Ser52, D: Gly53, D: Thr54, D: Lys265, D: Asn271, C: Hoh504, C: Hoh511, C: Hoh512, D: Hoh517,

conact list:


AtomAtomDistance (A)
KO C:Glu703.42
KOE1 C:Glu702.70
KCB C:Glu703.92
KOE2 C:Glu704.83
KCD C:Glu703.85
KC C:Glu704.17
KCG C:Glu704.46
KCA C:Glu704.13
KO C:Leu3044.91
KC C:Ala3054.82
KCB C:Ala3054.93
KCA C:Ala3054.31
KN C:Gly3064.37
KO D:Ser524.90
KO D:Gly532.90
KC D:Gly533.64
KCA D:Gly533.92
KN D:Thr544.77
KCE D:Lys2654.82
KO D:Asn2712.86
KCB D:Asn2713.93
KND2 D:Asn2714.79
KC D:Asn2713.83
KCG D:Asn2714.86
KCA D:Asn2714.05
KO C:Hoh5044.40
KO C:Hoh5112.82
KO C:Hoh5122.85
KO D:Hoh5173.02

interactive model:




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