>4lnlA (A:) observed residues (from ATOM records)
midlrsdtvtrpsramleammaapvgddvygddptvnalqdyaaelsgkeaaiflptgtq
anlvallshcergeeyivgqaahnylfeaggaavlgsiqpqpidaaadgtlpldkvamki
kpddihfartkllslenthngkvlpreylkeaweftrkrnlalhvdgarifnavvaygce
lkeitqycdsfticlskglgtpvgsllvgnrdyikrairwrkmtgggmrqsgilaaagmy
alknnvarlqedhdntawmaeqlreagadvmrqdtnmlfvrvgeenaaalgeymkarnvl
inaspivrlvthldvsraqlaevaahwrafla