>5j13B (B:) observed residues (from ATOM records)
syvltqppsvsvapgqtaritcggnnlgsksvhwyqqkpgqapvlvvyddsdrpswiper
fsgsnsgntatltisrgeagdeadyycqvwdsssdhvvfgggtkltvlgqpkaapsvtlf
ppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassyl
sltpeqwkshrsyscqvthegstvektvaptec