>4r62A (A:) observed residues (from ATOM records)
stparrrlmrdfkrmkedappgvsasplpdnvmvwnamiigpadtpyedgtfrlllefde
eypnkpphvkflsemfhpnvyangeikldilqnrwtptydvasiltsiqslfndpnpasp
anveaatlfkdhksqyvkrvketvekswe