package require psfgen   
topology top_all27_na.rtf
pdbalias residue A ADE 
pdbalias residue T THY 
pdbalias residue G GUA 
pdbalias residue C CYT 
pdbalias atom ADE O3* O3'
pdbalias atom THY O3* O3'
pdbalias atom GUA O3* O3'
pdbalias atom CYT O3* O3'
pdbalias atom ADE O4* O4'
pdbalias atom THY O4* O4'
pdbalias atom GUA O4* O4'
pdbalias atom CYT O4* O4'
pdbalias atom ADE O5* O5'
pdbalias atom THY O5* O5'
pdbalias atom GUA O5* O5'
pdbalias atom CYT O5* O5'
pdbalias atom ADE C1* C1'
pdbalias atom THY C1* C1'
pdbalias atom GUA C1* C1'
pdbalias atom CYT C1* C1'
pdbalias atom ADE C2* C2'
pdbalias atom THY C2* C2'
pdbalias atom GUA C2* C2'
pdbalias atom CYT C2* C2'
pdbalias atom ADE C3* C3'
pdbalias atom THY C3* C3'
pdbalias atom GUA C3* C3'
pdbalias atom CYT C3* C3'
pdbalias atom ADE C4* C4'
pdbalias atom THY C4* C4'
pdbalias atom GUA C4* C4'
pdbalias atom CYT C4* C4'
pdbalias atom ADE C5* C5'
pdbalias atom THY C5* C5'
pdbalias atom GUA C5* C5'
pdbalias atom CYT C5* C5'
pdbalias atom ADE H1* H1'
pdbalias atom THY H1* H1'
pdbalias atom GUA H1* H1'
pdbalias atom CYT H1* H1'
pdbalias atom ADE H3* H3'
pdbalias atom THY H3* H3'
pdbalias atom GUA H3* H3'
pdbalias atom CYT H3* H3'
pdbalias atom ADE H4* H4'
pdbalias atom THY H4* H4'
pdbalias atom GUA H4* H4'
pdbalias atom CYT H4* H4'
pdbalias atom ADE 1H5* H5'
pdbalias atom THY 1H5* H5'
pdbalias atom GUA 1H5* H5'
pdbalias atom CYT 1H5* H5'
pdbalias atom ADE 2H5* H5''
pdbalias atom THY 2H5* H5''
pdbalias atom GUA 2H5* H5''
pdbalias atom CYT 2H5* H5''
pdbalias atom ADE 1H2* H2'
pdbalias atom THY 1H2* H2'
pdbalias atom GUA 1H2* H2'
pdbalias atom CYT 1H2* H2'
pdbalias atom ADE 2H2* H2''
pdbalias atom THY 2H2* H2''
pdbalias atom GUA 2H2* H2''
pdbalias atom CYT 2H2* H2''
pdbalias atom GUA 1H2 H21
pdbalias atom GUA 2H2 H22
pdbalias atom CYT 1H4 H41
pdbalias atom CYT 2H4 H42
pdbalias atom ADE 1H6 H61
pdbalias atom ADE 2H6 H62
pdbalias atom THY 1H5M H51
pdbalias atom THY 2H5M H52
pdbalias atom THY 3H5M H53
segment A {pdb 1ac7_pared.pdb}   
coordpdb 1ac7_pared.pdb A   
guesscoord   
writepdb 1ac7.pdb   
writepsf charmm 1ac7.psf  
exit