>3ixy_G mol:protein length:221 E53 Fab Fragment (chain H)EVKLVESGGGLVLPGGSLRLSCATSGFTFTDYYMTWVRQPPGKALEWLGFIGNKANDYTTEYSASVKGRFTISRDDSQSILYLQMSTLRAEDRATYYCATVYGNYPYFDVWGAGTTVAVSSAKTTPPSVYPLAPVCGGTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSGLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPR