>3cwvA (A:) observed residues (from ATOM records)
ggivenvrkrpgmycgdvgeyglhhlvyflldvayeearrgecrdvvlevggdgsialfc
tsrtvtaenlvrvatgagflgrppgdgwgwdsmlvvslalssryqvdiwadgrqwrvmge
hghpqgegaavtpmepmpvsaergvrvhfvpdatifevlafdrarlsrrcnelaalapgl
rvsfadlqrgertlwhlpggvaqwahvltearpqlhpepvvfdftwdglrvqcalqwced
edstllsfanavrtvrhgahvkgvtqalrgalaklsgetrgafpwarvaqgltaivavsg
prrqmafagptkellaipgleeairkqlqplfiellrehpvtpallarr