Table 3: Amino acid sequences of the VHHs used for label verification.
VHH	Label	Amino acid sequence
ONU7	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGFFTSSYAMSWVRRAPGKGLEWVSHTSGFTTYLDSVKGRFTISRDNAKNYLMQSSLKPEDTAVYYCAESRGVMGASYAAYVDKGQTVTVSSHHHH
ONU14	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGAINALGYYRQAPGKORELVAAVTGGGRTNYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCNAKRWGSDWYGQGTQVTSSHHHH
ONU54	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCVTGSFTDYAAIGWFRAPGKAREGVSCISSSGGVDYEDSVKGRFTISRDNAEENTVLQMNSLKPEDTAVYYCAAYRISKGCRDLRLYDYWGQQTVTVSSHHHH
ONU65	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLKLSCAAASGSESNYAMGWRFQGKEREFFVAAIWSSGSTYYADSVKGRFTISRGNAKNTVYLQMNSLKPEDTAVYYCAAKPIAYNDEYEYWGQDTQVTVSSHHHH
ONU88	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGINSRSINAMGWSRQAPGKDRDLVALITSGTAYGSEVKGFRTSRNDADNTVWLQMNSLKPEDTAVYYCYAVSNGSRQYWGQDTQVTSSHHHH
ONU90	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGLTFTRYHMAFWRAPGKEREEMVAISWSGSTTYDQDSVKGRFTISRDNAKNTVSLQMNLKPEDTAVYYCAASQTRALAPLIGRYDYWGQDTQVTVSSHHHH
ONU174	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAKSKFTAYLDAIWAFQAPGKEREGVCISYYDGSTYYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAYTAYCATDHTGAPCKSMKTIGEYYRNGQVTQVTVSSHHHH
ONU191	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCVASGFTSDPYAIGWFRAPGKEREVGSCISSSGGIEYEDSVKGRFTISRDNAENTVYLQMNSLKPEDTAVYYCAAYRISKGCARELDLYDYWGQDTQVTVSSHHHH
ONU290	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGEISVNMGWYRQAPGKORELAAIASRGGGIMYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAADRVILLDFDRSADYWGQDTQVTVSSHHHH
ONU455	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGIFTINTMGRWYRQAPGKORELVALISTSDGSTNYANSLKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAAGWYDRGDDYWGQDTQVTVSSHHHH
ONU1160	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCTASGFTDLYDAIGWFRQGKEREVCISSSDGSTYYLDSVKGRFTISRDNAKNTVYLSMNLVEDTGVYYCAADRCSWAYMDYWGKDTQVTVSSHHHH
ONU881	binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASFLTAYDYGDWFRAPGKEREVGSCISSYGSTTYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAAYTCATDHTGAPCTKSGQYDYRGQDTQVTVSSHHHH
ONU57	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLLACAASGILDIDMRWYRQAPGEQEIRIVATITNSGTTYRDSVKGRFTISRDTAENTVYLQMNSLKPEDTAYTCQADVYVNGDDDKFQFFGFWGQDTQVTVSSHHHH
ONU60	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLLDCAAASGIFSGFSRYAMGWFAPGKEREVEAIAISWGSGATLYSAEVKGFRTSRDNAKNTVYLQMNLKPEDTAVYYCAPPLECSGYGLTLKHDSRSQGTQVTVSSHHHH
ONU82	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGIFSGFSRYAMGWFAPGKEREVEAIAISWGSGIKYDGDSFKIKNSAANNRIGPEKKMDDYWGQDTQVTVSSHHHH
ONU84	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGDSLRLSCAAASGIFSGFSRYAMGWFAPGKEREVEAIAISWGSGSTRYDGDSFKIKNSAANNRIGPEKKMDDYWGQDTQVTVSSHHHH
ONU171	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGFDGYDAIGWFRAPGKEREAEVCISNTDGITHYVDSVKGRFTISSDNDAKNTVYLQMSSLLEDPTEAVYYCAASSQGGGYHCMSGAYRVGMWDWGKQTVTVSSHHHH
ONU232	non-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCTASGFTLSYAMSWVRQAPGKLEWVSINSDGDNNAYDVSKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCATDTRRIAMVRRTDFSGWQGTQVTVSSHHHH
ONU6	no-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGFTDSYAYAWFQAPGKARELVSSISWDAGLHYADVFGRKFAISRNKMVYLQMNSLETEDAVYYCAAYDGSRFLKVYDIYWGQDTQVTVSSHHHH
ONU3	no-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGFTSSYRMGFRAPGKEREFVAIAISHFGISTYYADSVKGRFTISRDNAKNTVYLQMNSLLEDPTEAVYYCAADGDPYHRNYERLGEYDYWGQDTQVTVSSHHHH
ONU4	no-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGFTSYDYNGIFWFPAPDKREDSVCCSSSGSTNYADSVKGRFTISRDNAKNTVYLQMNSLLEDPTEAVYYCVDDGRVGECTEARRTLAYDVWGQDTQVTVSSHHHH
ONU5	no-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQAGGSLRLSCAAASGFTSDAMGFRAPGKEREFVAISWGGGNTYYADTVKGRFTIIFRNDAKNTVYLQMNLLETEDAVYYCATSLTTTHMAREVDEVWGQDTQVTVSSHHHH
ONU250	no-binder	MKYLLPTAAAGLLLIAAQPAMAQVQLQESGGLVQPGGSLRLSCAAASGFTSYDYNGIFWFPAPDKREDSVCCSSSGSSTNYADPVKGRFTIIFRNDAKNTVYLQMNLLETEDAVYYCVDDGRVGECTEARRTLAYDVWGQDTQVTVSSHHHH