Rotate a protein

% rotate a protein structure

%

fid = fopen('1.CRD');

a = fscanf(fid,'%g %g %g',[3 inf]);

x = a(1,:);

y = a(2,:);

z = a(3,:);

u=[0 , -1 , 0 ; 1 , 0 , 0; 0 , 0 , 1];

coor = u*a;

xnew = coor(1,:);

ynew = coor(2,:);

znew = coor(3,:);

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