>2v7xA (A:) observed residues (from ATOM records)
rpiiafmsdlgttddsvaqckglmysicpdvtvvdvchsmtpwdveegaryivdlprffp
egtvfatttypatgtttrsvavrikqaakggargqwagsgagferaegsyiyiapnngll
ttvleehgyleayevtspkvipeqpeptfyaremvaipsahlaagfplsevgrpledhei
vrfnrpaveqdgealvgvvsaidhpfgnvwtnihrtdlekagigygarlrltldgvlpfe
apltptfadageigniaiylnsrgylsiarnaaslaypyhlkegmsarvea