>1fc1B (B:) observed residues (from ATOM records)
psvflfppkpkdtlmisrtpevtcvvvdvshedpqvkfnwyvdgvqvhnaktkpreqqyn
styrvvsvltvlhqnwldgkeykckvsnkalpapiektiskakgqprepqvytlppsree
mtknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflyskltvdksrw
qqgnvfscsvmhealhnhytqkslsls