>1wv4B (B:) observed residues (from ATOM records)
ytkgglrrrdlpadpltlferwlsqaceakladptamvvatvdehgqpyqrivllkhyde
kgmvfytnlgsrkahqiennprvsllfpwhtlerqvmvigkaerlstlevmsfwggfrvs
leqiefwqggehrlhdrflyqrendawkidrlap