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Sodium in PDB 1ak9: Subtilisin Mutant 8321

Enzymatic activity of Subtilisin Mutant 8321

All present enzymatic activity of Subtilisin Mutant 8321:
3.4.21.62;

Protein crystallography data

The structure of Subtilisin Mutant 8321, PDB code: 1ak9 was solved by M.Whitlow, A.J.Howard, J.F.Wood, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 1.80
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 41.640, 79.450, 37.260, 90.00, 114.53, 90.00
R / Rfree (%) n/a / n/a

Other elements in 1ak9:

The structure of Subtilisin Mutant 8321 also contains other interesting chemical elements:

Calcium (Ca) 2 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the Subtilisin Mutant 8321 (pdb code 1ak9). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Subtilisin Mutant 8321, PDB code: 1ak9:

Sodium binding site 1 out of 1 in 1ak9

Go back to Sodium Binding Sites List in 1ak9
Sodium binding site 1 out of 1 in the Subtilisin Mutant 8321


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Subtilisin Mutant 8321 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na296

b:17.7
occ:1.00
CA A:CA297 2.6 4.3 0.8
O A:TYR171 2.6 11.7 1.0
O A:VAL174 2.6 6.2 1.0
O A:HOH372 2.6 7.5 0.9
O A:ALA169 2.7 8.2 1.0
O A:HOH340 2.9 12.6 0.7
OD2 A:ASP197 3.2 9.7 1.0
C A:TYR171 3.4 10.8 1.0
O A:GLU195 3.6 10.1 1.0
C A:VAL174 3.6 6.7 1.0
C A:ALA169 3.9 7.6 1.0
C A:LYS170 4.0 10.6 1.0
CA A:PRO172 4.0 9.8 1.0
N A:PRO172 4.0 10.1 1.0
CB A:ALA176 4.0 4.7 1.0
O A:LYS170 4.1 11.1 1.0
N A:ALA176 4.1 5.2 1.0
N A:TYR171 4.2 10.8 1.0
O A:PRO172 4.2 9.6 1.0
O A:HOH483 4.2 12.4 0.6
CG A:ASP197 4.3 7.2 1.0
C A:PRO172 4.3 9.2 1.0
CA A:VAL174 4.3 6.8 1.0
N A:VAL174 4.3 7.1 1.0
CA A:TYR171 4.4 10.8 1.0
CB A:VAL174 4.4 7.6 1.0
CA A:LYS170 4.6 9.7 1.0
OD1 A:ASP197 4.6 8.7 1.0
N A:ILE175 4.6 5.6 1.0
C A:GLU195 4.6 9.3 1.0
CB A:GLU195 4.7 7.4 1.0
N A:LYS170 4.7 8.7 1.0
CA A:ALA176 4.7 5.6 1.0
C A:ILE175 4.7 5.5 1.0
CA A:ILE175 4.8 5.9 1.0
NH2 A:ARG247 4.9 12.4 1.0
CA A:ALA169 4.9 6.5 1.0
CA A:GLU195 4.9 8.8 1.0
CG1 A:VAL174 5.0 7.4 1.0

Reference:

M.W.Pantoliano, M.Whitlow, J.F.Wood, S.W.Dodd, K.D.Hardman, M.L.Rollence, P.N.Bryan. Large Increases in General Stability For Subtilisin Bpn' Through Incremental Changes in the Free Energy of Unfolding. Biochemistry V. 28 7205 1989.
ISSN: ISSN 0006-2960
PubMed: 2684274
DOI: 10.1021/BI00444A012
Page generated: Tue Dec 15 05:21:47 2020

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