About Products Protein Database Contact

pmt3

Gene
PMT3
Protein
Dolichyl-phosphate-mannose--protein mannosyltransferase 3
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
753 amino acids
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.
Mass
86.323 kDa
Sequence
MPYRVATGYSEKSTDDDLIWRTPIVKEELEDADNFLKDDAELYDKVKNESAVSHLDTIVMPIIFTVLGMFTRMYKIGRNNHVVWDEAHFGKFGSYYLRHEFYHDVHPPLGKMLVGLSGYLAGYNGSWDFPSGEVYPDYIDYVKMRLFQAMFSSLCVPLAYFTGRAIGFSRLSVWLFTILVIFENSYATLGKFILLDSMLLFFTVSSYFCLAKFHTMRKSPFSARWWLWLCLTGLNLGCAISVKMVGLFIISVVGIYTISELWNLLSDRSVSWKVYVNHWLARIFGLIIIPVCVFLLCFKIHFDLLSNSGPGDSTMPSLFQASLNGTKVGKGPRDVALGSSIISIKNQALGGALLHSHVQPFPEGSEQQQVTVYGYSDANNEWFFQRIRGVEPWTDAENKTIEFVKGGEMYRLMHRLTGKNLHTHEVPAPISKSEYEVSAYGDVDLGDYKDNWIIEIVEQVGEEDPTLLHPLSTSFRIKNSILGCYLAQSGKHLPEWGFRQGEVVCLKHASKRDKRTWWNIETHENERLPQGEDFVYPKTSFFRNFMQLNSAMMATNNALVPNPEKFDGIASSAWQWPTLNVGVRLCEWSEKSIKYFLLGSPASVWPSSIAVCALIIHVIFLTLKWQRQCVILSDPVERDVFVMAAFYPLLAWLLHYMPFVVMSRVVYAHHYLPTLYFALMILSYYFDMITKRWATRNTGKFLRLGAYIVYGSIVIAGFFYFSPFSFGMDGPVDDYAYLAWLPTWQIVEDIRNT

Gene
PMT3
Protein
Putrescine N-methyltransferase 3
Organism
Nicotiana tabacum
Length
381 amino acids
Similarity
Belongs to the class I-like SAM-binding methyltransferase superfamily. Putrescine methyltransferase family.
Mass
41.795 kDa
Sequence
MEVISTNTNGSTIFKNGAIPMNGYQNGTSKHQNGHQNGTSEHRNGHQNGISEHQNGHQNGTSEHQNGHQNGTISHDNGNELQLLGSSNSIKPGWFSEFSALWPGEAFSLKVEKLLFQGKSDYQDVMLFESATYGKVLTLDGAIQHTENGGFPYTEMIVHLPLGSIPNPKKVLIIGGGIGFTLFEMLRYPTIEKIDIVEIDDVVVDVSRKFFPYLAANFSDPRVTLVLGDGAAFVKAAQAGYYDAIIVDSSDPIGPAKDLFERPFFEAVAKALRPGGVVCTQAESIWLHMHIIKQIIANCRQVFKGSVNYAWTTVPTYPTGVIGYMLCSTEGPEVDFKNPVNPIDKETTQVKSKLAPLKFYNSDIHKAAFILPSFARSMIES

Gene
pmt3
Protein
Ubiquitin-like protein pmt3/smt3
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
117 amino acids
Function
Required for chromosome segregation where it may be involved in microtubule assembly. Loss of smt3 leads to an increase in telomere length.
Similarity
Belongs to the ubiquitin family. SUMO subfamily.
Mass
12.935 kDa
Sequence
MSESPSANISDADKSAITPTTGDTSQQDVKPSTEHINLKVVGQDNNEVFFKIKKTTEFSKLMKIYCARQGKSMNSLRFLVDGERIRPDQTPAELDMEDGDQIEAVLEQLGGCTHLCL