Function to infer the germline from the tree
VDJ_germline(VDJ, germlines.from, VDJ.only)
VDJ dataframe obtained after calling VDJ_call_MIXCR or any other germline you want to use
MIXCR or any other germline caller - default: MIXCR
boolean - if T, only Heavy Chain (VDJ) germline will be inferred
VDJ with the updated germline
if (FALSE) {
VDJ_germline(VDJ, germlines.from='MIXCR',
VDJ.only=T)
}