5b6f A 2.1 BS01 LTX A 1 N54 Y56 H58 L70 Y73 K74 N77 S80 N35 Y37 H39 L51 Y54 K55 N58 S61 301 DVVMTQTPLSLPVSLGDQASISCRSSQSLVHSNGNTYLHWFLQKPGQSPKLLIYKVSNRFSGVPERFSGSGSGTDFTLKISRVEAEDLGVYFCSQSKYVPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNR 5b6f B 2.1 BS01 LTX A 1 N54 I120 Y121 S122 P123 N34 I100 Y101 S102 P103 301 VKLEESGGGLVQPGGSMKLSCVASGFTISNYWMNWVRQSPEKGLDWVAEIRLKSNNYVTHYAESVKGRFTISRDDSKNSVYLQMNNLRPEDTGIYYCTPIYSPFAYWGQGTLVTVSAAKTTPPSVYPLAPGSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR