>8yvj_A mol:protein length:129 H5.2 nanobody (VHH)HMAQVTLKESGGGSVQAGGSLRLSCAGPRHIPGSVCMGWYRQVPGKEREGVALILIGDGHTNYADSVKGRFTISQDSAANTVYLQMNSLKPEDTAVYYCAAARGLSDWTCSFESGVNSWGQGTQVTVSS