>5o3zB (B:) observed residues (from ATOM records)
qvavvigggqtlgaflceglaqagyhvavadlnesnanrladtinsrygagraygfkvda
tdeasvealaravdetfgradllvysagvakaapitqfrltdfdlslqvnlvgyflcsre
fsklmirdgikgriiqinsksgkvgskhnsgysaakfggvgltqslaldlaeygitvhsl
mlgnllkspmfqsllpqyaeklgitpeevepyyvdkvplkrgcdyqdvlnvllfyasdka
ayctgqsinvtggqvmf