>3ay4A (A:) observed residues (from ATOM records)
cpapellggpsvflfppkpkdtlmisrtpevtcvvvdvshedpevkfnwyvdgvevhnak
tkpreeqynstyrvvsvltvlhqdwlngkeykckvsnkalpapiektiskakgqprepqv
ytlppsrdeltknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflys
kltvdksrwqqgnvfscsvmhealhnhytqkslsl