Protein
Dolichyl-phosphate-mannose--protein mannosyltransferase 3
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Function
Protein O-mannosyltransferase involved in O-glycosylation which is essential for cell wall rigidity. Forms a heterodimeric complex with PMT5 and more rarely with PMT1 to transfer mannose from Dol-P-mannose to Ser or Thr residues on proteins. Seems to have redundant activity to PMT2.
Similarity
Belongs to the glycosyltransferase 39 family.
Sequence
MPYRVATGYSEKSTDDDLIWRTPIVKEELEDADNFLKDDAELYDKVKNESAVSHLDTIVMPIIFTVLGMFTRMYKIGRNNHVVWDEAHFGKFGSYYLRHEFYHDVHPPLGKMLVGLSGYLAGYNGSWDFPSGEVYPDYIDYVKMRLFQAMFSSLCVPLAYFTGRAIGFSRLSVWLFTILVIFENSYATLGKFILLDSMLLFFTVSSYFCLAKFHTMRKSPFSARWWLWLCLTGLNLGCAISVKMVGLFIISVVGIYTISELWNLLSDRSVSWKVYVNHWLARIFGLIIIPVCVFLLCFKIHFDLLSNSGPGDSTMPSLFQASLNGTKVGKGPRDVALGSSIISIKNQALGGALLHSHVQPFPEGSEQQQVTVYGYSDANNEWFFQRIRGVEPWTDAENKTIEFVKGGEMYRLMHRLTGKNLHTHEVPAPISKSEYEVSAYGDVDLGDYKDNWIIEIVEQVGEEDPTLLHPLSTSFRIKNSILGCYLAQSGKHLPEWGFRQGEVVCLKHASKRDKRTWWNIETHENERLPQGEDFVYPKTSFFRNFMQLNSAMMATNNALVPNPEKFDGIASSAWQWPTLNVGVRLCEWSEKSIKYFLLGSPASVWPSSIAVCALIIHVIFLTLKWQRQCVILSDPVERDVFVMAAFYPLLAWLLHYMPFVVMSRVVYAHHYLPTLYFALMILSYYFDMITKRWATRNTGKFLRLGAYIVYGSIVIAGFFYFSPFSFGMDGPVDDYAYLAWLPTWQIVEDIRNT