>1fchB (B:) observed residues (from ATOM records)
kgyqfeeenplrdhpqpfeeglrrlqegdlpnavllfeaavqqdpkhmeawqylgttqae
neqellaisalrrclelkpdnqtalmalavsftneslqrqaceilrdwlrytpayahlvt
prilgsllsdslflevkelflaavrldptsidpdvqcglgvlfnlsgeydkavdcftaal
svrpndyllwnklgatlangnqseeavaayrralelqpgyirsrynlgiscinlgahrea
vehflealnmqrksgamseniwstlrlalsmlgqsdaygaadardlstlltmfglpq