>1gr7A (A:) observed residues (from ATOM records) essvdiqgndqmqfntnaitvdksckqftvnlshpgnlpknvmghnwvlstaadmqgvvt dgmasgldkdylkpddsrviahtkligsgekdsvtfdvpklkegeqymffctfpghsalm kgtltlk