>2z48B (B:) observed residues (from ATOM records)
vlctnpldigelrsfkskqcvdivgnqgsgniatydcdglsdqqiiicgdgtirnearny
cftpdgsgnanvmsspctlypeipssqrwrqgrrktftdnggieqvateiinlasgkcld
iegsdgtgdigvydcqnlddqyfyvrsrgpelfygrlrneksdlcldvegsdgkgnvlmy
scednldqwfryyengeivnaksgmcldvegsdgsgnvgiyrcddlrdqmwsrpnaycng
dycsflnkesnkcldvsgdqgtgdvgtwqcdglpdqrfkwvfddwevptatwnmvgcdqn
gkvsqqisntisfsstvtagvavevsstiekgvifakatvsvkvtaslskawtnsqsgtt
aitytcdnydsdeeftrgcmwqlaiettevksgdllvwnpqivkctrsntapgcapftkc
anedctfctdi