— function: residue-info imol chain_id resno ins_code

Where:

• imol is an integer number
• chain_id is a string
• resno is an integer number
• ins_code is a string

Return a list of atom info for each atom in the specified residue.

output is like this: (list (list (list atom-name alt-conf) (list occ temp-fact element) (list x y z)))