>3C2A_1|Chains L,M|Fab 447-52D light chain|Homo sapiens (9606) QSVLTQPPSVSAAPGQKVTISCSGSSSNIGNNYVLWYQQFPGTAPKLLIYGNNKRPSGIPDRFSGSKSGTSATLGITGLQTGDEADYFCATWDSGLSADWVFGGGTKLTVLSQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTEC >3C2A_2|Chains H,I|Fab 447-52D heavy chain|Homo sapiens (9606) EVQLVESGGGLVKPGGSLRLTCVASGFTFSDVWLNWVRQAPGKGLEWVGRIKSRTDGGTTDYAASVKGRFTISRDDSKNTLYLQMNSLKTEDTAVYSCTTDGFIMIRGVSEDYYYYYMDVWGKGTTVTVSSASTKGPSVFPLAPCSRSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYTCNVNHKPSNTKVDKRVEL >3C2A_3|Chains P,Q|Envelope glycoprotein|Human immunodeficiency virus 1 (11676) KSIHLGPGRAFYA