>3a2lB (B:) observed residues (from ATOM records)
eieirrapvlgssmayretgaqdapvvlflhgnptsshiwrnilplvspvahciapdlig
fgqsgkpdiayrffdhvryldafieqrgvtsaylvaqdwgtalafhlaarrpdfvrglaf
mefirpmptwqdfhqdhaeaaravfrkfrtpgegeamileanafvervlpggivrklgde
emapyrtpfptpesrrpvlafprelpiagepadvyealqsahaalaassypkllftgepg
alvspefaerfaasltrcalirlgaglhylqedhadaigrsvagwiagieavr