5b6f B 2.1 BS01 LTX A 1 N54 I120 Y121 S122 P123 N34 I100 Y101 S102 P103 301 VKLEESGGGLVQPGGSMKLSCVASGFTISNYWMNWVRQSPEKGLDWVAEIRLKSNNYVTHYAESVKGRFTISRDDSKNSVYLQMNNLRPEDTGIYYCTPIYSPFAYWGQGTLVTVSAAKTTPPSVYPLAPGSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR