AHX
ATOM  N10  CA   CB   OG   C9   O9   N8   PA   O1A  O2A
ATOM  O3A  O5'  C5'  C4'  O4'  C3'  O3'  C2'  O2'  C1'
ATOM  N9   C8   N7   C5   C6   N6   N1   C2   N3   C4 
CONNECT -  N10  CA  CB  OG +
CONNECT  CA   C9  O9
CONNECT  C9   N8  O3A  PA  O1A
CONNECT  PA   O2A
CONNECT  PA   O5'  C5'  C4'  O4'  C1'  C2'  C3'  C4'
CONNECT  C3'  O3'
CONNECT  C2'  O2'
CONNECT  C1'  N9  C8  N7  C5  C6  N6
CONNECT  N9   C4  C5
CONNECT  C6   N1  C2  N3  C4