>1t89A (A:) observed residues (from ATOM records)
lggpsvflfppkpkdtlmisrtpevtcvvvdvshedpevkfnwyvdgvevhnaktkpree
qynstyrvvsvltvlhqdwlngkeykckvsnkalpapiektiskakgqprepqvytlpps
reemtknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflyskltvdk
srwqqgnvfscsvmhealhnhytqkslsls