Chemical elements
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    PDB 4dtx-4eoa
    PDB 4epz-5apr
    PDB 5bca-8tln
    PDB 966c-9rnt

Calcium in the structure of Structure of Nucleotide-Free Scallop Myosin S1 (pdb 1sr6)

The binding sites of Calcium atom in the structure of Structure of Nucleotide-Free Scallop Myosin S1 (pdb code 1sr6). This binding sites where shown with 5.0 Angstroms radius around Calcium atom.
The 1sr6 structure was solved by D.RISAL, S.GOURINATH, D.M.HIMMEL, A.G.SZENT-GYORGYI, C.COHEN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)38.8-2.8
Space groupP1211
a (A)83.591
b (A)51.109
c (A)162.329
alpha (°)90.00
beta (°)98.02
gamma (°)90.00
Rfactor (%)24.2
Rfree (%)28.6

Calcium Binding Sites:

Calcium binding site 1 out of 1 in 1sr6

Calcium binding site 1 out of 1 in 1sr6
Click to enlarge
stereopicture of Calcium binding site 1 out of 1 in 1sr6
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Calcium in the PDB 1sr6. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: C: Phe18, C: Asp19, C: Phe20, C: Asp22, C: Gly23, C: Arg24, C: Asp25, C: Ala27, C: Val28, C: Hoh996,

conact list:

AtomAtomDistance (A)
CaO C:Phe184.88
CaO C:Asp192.60
CaCB C:Asp194.22
CaOD2 C:Asp194.54
CaC C:Asp193.50
CaOD1 C:Asp192.45
CaCG C:Asp193.57
CaCA C:Asp193.73
CaN C:Phe204.75
CaO C:Asp223.85
CaN C:Asp224.84
CaCB C:Asp224.51
CaOD2 C:Asp224.22
CaC C:Asp223.90
CaOD1 C:Asp222.23
CaCG C:Asp223.48
CaCA C:Asp224.66
CaO C:Gly232.16
CaN C:Gly233.97
CaC C:Gly233.26
CaCA C:Gly234.02
CaN C:Arg244.23
CaC C:Arg244.49
CaCA C:Arg244.38
CaN C:Asp254.07
CaCB C:Asp254.66
CaOD2 C:Asp252.43
CaC C:Asp254.98
CaOD1 C:Asp253.75
CaCG C:Asp253.39
CaCA C:Asp254.80
CaO C:Ala272.35
CaN C:Ala274.24
CaC C:Ala273.55
CaCB C:Ala274.68
CaCA C:Ala274.35
CaN C:Val284.54
CaCA C:Val284.70
CaO C:Hoh9964.12

interactive model:

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