>3lxlA (A:) observed residues (from ATOM records)
ptifeerhlkyisqlgkgnfgsvelcrydplgdntgalvavkqlqhsgpdqqrdfqreiq
ilkalhsdfivkyrgvsygpgrqslrlvmeylpsgclrdflqrhrarldasrlllyssqi
ckgmeylgsrrcvhrdlaarnilveseahvkiadfglakllpldkdyyvvrepgqspifw
yapeslsdnifsrqsdvwsfgvvlyelftycdkscspsaeflrmmgvpalsrllelleeg
qrlpappacpaevhelmklcwapspqdrpsfsalgpqldml