For T0198, we had fold-recognition alignments to various all-alpha proteins, but none of them were a convincing model for the whole protein, so we ended up folding this one pretty much from scratch. We ended up with two main hypotheses: an up-down bundle an alpha sandwich For model4, we are submitting a model whose backbone was built with undertaker but with sidechains repacked by Rosetta. It got the lowest Rosetta energy score of any of the repacked models. (try12-opt2.repack-nonPC) It is an alpha sandwich that breaks predicted helices P76-M108 and S40-L69.