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Sodium in the structure of E.Coli Methionine Aminopeptidase HIS79ALA Mutant (pdb 4mat)

The binding sites of Sodium atom in the structure of E.Coli Methionine Aminopeptidase HIS79ALA Mutant (pdb code 4mat). This binding sites where shown with 5.0 Angstroms radius around Sodium atom.
The 4mat structure was solved by W.T.LOWTHER, A.M.ORVILLE, D.T.MADDEN, S.LIM, D.H.RICH, B.W.MATTHEWS, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)28.8-2.0
Space groupP1211
a (A)38.648
b (A)68.298
c (A)55.449
alpha (°)90.00
beta (°)105.98
gamma (°)90.00
Rfactor (%)n/a
Rfree (%)n/a

Sodium Binding Sites:

Sodium binding site 1 out of 1 in 4mat

Sodium binding site 1 out of 1 in 4mat
Click to enlarge
stereopicture of Sodium binding site 1 out of 1 in 4mat
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 4mat. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Sodium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: Ser72, A: Ile73, A: Asn74, A: Glu75, A: Val76, A: Val77, A: Ile93, A: Met112, A: Ser231, A: Ala232, A: Hoh513, A: Hoh514, A: Hoh533,

conact list:

AtomAtomDistance (A)
NaO A:Ser723.99
NaCB A:Ser724.61
NaC A:Ser724.32
NaO A:Ile734.11
NaN A:Ile734.54
NaC A:Ile733.79
NaCA A:Ile734.49
NaO A:Asn742.20
NaN A:Asn743.50
NaC A:Asn743.15
NaCA A:Asn743.68
NaO A:Glu754.97
NaN A:Glu754.25
NaC A:Glu754.30
NaCA A:Glu754.59
NaO A:Val762.26
NaN A:Val763.81
NaCB A:Val764.64
NaC A:Val763.39
NaCA A:Val764.18
NaN A:Val774.35
NaCA A:Val774.63
NaO A:Ile934.78
NaCD1 A:Ile934.36
NaCG1 A:Ile934.72
NaCE A:Met1124.81
NaO A:Ser2312.33
NaN A:Ser2313.75
NaCB A:Ser2313.84
NaOG A:Ser2314.82
NaC A:Ser2313.33
NaCA A:Ser2313.83
NaN A:Ala2324.43
NaCA A:Ala2324.79
NaO A:Hoh5133.21
NaO A:Hoh5144.38
NaO A:Hoh5332.18

interactive model:

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