THE PROTEIN WAS CRYSTALLIZED AS A FUSION PROTEIN WHERE TWO CHAINS, CHAIN H AND CHAIN L, WERE FUSED ...THE PROTEIN WAS CRYSTALLIZED AS A FUSION PROTEIN WHERE TWO CHAINS, CHAIN H AND CHAIN L, WERE FUSED TOGETHER INTO ONE CHAIN USING A 15-RESIDUE LINKER. THE SEQUENCE OF THE LINKER IS: GGGGS GGGGS GGGGS. IN ADDITION, THERE IS A FLAG EPITOPE AT THE N-TERMINAL AND THERE IS A HIS-TAG AT THE C-TERMINAL. PLEASE NOTE THAT THE AMINO ACID NUMBERING IN THIS PDB FILE A SEQUENTIAL NUMBERING OF THE SCFV6H4 SINGLE CHAIN ANTIBODY AMINO ACIDS DUE TO PDB POLICY. PLEASE SEE THE ORIGINAL MANUSCRIPT FOR THE MORE COMMON KABAT AMINO ACID NUMBERING SCHEME OF THE HEAVY AND LIGHT CHAIN RESIDUES. PLEASE USE THE CORRELATION PROVIDED BELOW FOR CONVERTING TO KABAT NUMBERING SCHEME USED IN OUR MANUSCRIPT. PDB NUMBER (PUBLICATION NUMBER): A9 (H1), A90 (H82), A91 (H82A), A92 (H82B), A93 (H82C), A94 (H93), A110 (H99), A111 (H100A), A112 (H100B), A113 (H100C), A114 (H101), A141 (L1), A167 (L27), A168 (L27A), A169 (L28), A247 (L106), A248 (L106A), A249 (L107), HOH 505 (OW(5)), HOH 506 (OW(6))