>5nh3_M mol:protein length:119  anti-human ActRIIB mAb BYM338 Fv light-chain
QSALTQPASVSGSPGQSITISCTGTSSDVGSYNYVNWYQQHPGKAPKLMIYGVSKRPSG
VSNRFSGSKSGNTASLTISGLQAEDEADYYCGTFAGGSYYGVFGGGTKLTVLWSHPQFE
K