>1YJD_1|Chain A[auth L]|Fab fragment of 5.11A1 antibody light chain|Mus musculus (10090) DIQMNQSPSSLSASLGDTITITCHASQNIYVWLNWYQQKPGNIPKLLIYKASNLHTGVPSRFSGSGSGTGFTLTISSLQPEDIATYYCQQGQTYPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN >1YJD_2|Chain B[auth H]|Fab fragment of 5.11A1 antibody heavy chain|Mus musculus (10090) QVQLQQSGPELVKPGTSVRISCEASGYTFTSYYIHWVKQRPGQGLEWIGCIYPGNVNTNYNEKFKDKATLIVDTSSNTAYMQLSRMTSEDSAVYFCTRSHYGLDWNFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPRDC >1YJD_3|Chain C|T-cell-specific surface glycoprotein CD28|Homo sapiens (9606) TGNKILVKQSPMLVAYDNAVNLSCKYSYNLFSREFRASLHKGLDSAVEVCVVYGNYSQQLQVYSKTGFNCDGKLGNESVTFYLQNLYVNQTDIYFCKIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPLVPR