General Structure Information 1yjd CD28 crystal structure of human cd28 in complex with the fab fragment of a mitogenic antibody (5.11a1) 2.7Å AUTH E.J.EVANS,R.M.ESNOUF,R.MANSO-SANCHO,R.J.C.GILBERT,J.R.JAMES,AUTH 2 C.YU,J.A.FENNELLY,C.VOWLES,T.HANKE,B.WALSE,T.HUNIG,AUTH 3 P.SORENSEN,D.I.STUART,S.J.DAVISTITL CRYSTAL STRUCTURE OF A SOLUBLE CD28-FAB COMPLEXREF NAT.IMMUNOL. V. 6 271 2005REFN ISSN 1529-2908PMID 15696168DOI 10.1038/NI1170 Variant Set Distributions Mapped Variants