6AMM:
reference: Structure-based engineering to restore high affinity binding of an isoform-selective anti-TGFbeta1 antibody., Lord DM, Bird JJ, Honey DM, Best A, Park A, Wei RR, Qiu H, MAbs. 2018 Jan 15:0. doi: 10.1080/19420862.2018.1426421. PMID: 29333938

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).