>5v43A (A:) observed residues (from ATOM records)
ggpsvflfppkpkdtlmisrtpevtcvvvdvshedpevkfnwyvdgvevhnaktkpreeq
ynslyrvvsvltvlhqdwlngkeyeckvsnkalpapiektiskakgqprepqvytlppsr
deltknqvsltclvkgfypsdiavewesngrpennykttppvldsdgsfflyskltvdks
rwqqgnvfscsvmhealhnhytqkslsls