>3sgkA (A:) observed residues (from ATOM records)
ggpsvflfppkpkdtlmisrtpevtcvvvdvshedpevkfnwyvdgvevhnaktkpreeq
ynstyrvvsvltvlhqdwlngkeykckvsnkalpapiektiskakgqprepqvytlppsr
deltknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflyskltvdks
rwqqgnvfscsvmhealhnhytqkslsls