Defined in file omssa.asn
C++ class: CMSIterativeSettings
MSIterativeSettings ::= SEQUENCE {
researchthresh REAL, -- e-val threshold for re-searching spectra, 0 = always re-search
subsetthresh REAL, -- e-val threshold for picking sequence subset, 0 = all sequences
replacethresh REAL -- e-val threshold for replacing hitset, 0 = only if better
}