>3iet_D mol:protein length:218 Immunoglobulin heavy chain (IgG2a)
QVQLQQSGGGLVQPGGSMKIFCAASGFTFSDAWMDWVRQSPEKGLEWVAEIRNKANNHETYYAESVKGRFTITRDDSKSRMSLQMNSLRAEDTGIYYCSGGKVRNAYWGQGTTVTVSSKTTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPR