Lineage for Fold d.321: STIV B116-like

1. Root: SCOP 1.73

2. Class d: Alpha and beta proteins (a+b) [53931] (334 folds)

3. Fold d.321: STIV B116-like [143601] (1 superfamily) subunit fold consists of mixed 5-stranded beta-sheet, order:31452, strand 5 is antiparallel to the rest, with 3 helices on one side; dimerises with the formation of a single 10-stranded beta-sheet; strand 2 is in the dimer interface