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PGA3

Gene
PGA3
Protein
Exopolygalacturonase clone GBGE184
Organism
Arabidopsis thaliana
Length
422 amino acids
Function
May function in depolymerizing pectin during pollen development, germination, and tube growth. Acts as an exo-polygalacturonase.
Similarity
Belongs to the glycosyl hydrolase 28 family.
Mass
44.43 kDa
Sequence
MANARSLVAKANNINVGSLILMALVFGSCVANGEYLGGRRGLAANSGNPTVYDITKFGAVGDGSTNTFKAFLNTWIQVCDSPVPATLLVPKGTFLAGPVIFAGPCKSKVTVNVIGTIIATTSGYATPEWFLFERVDNLVLTGTGTFHGKGEAVWKADGCGKKVQCNLPPTSLKFRNMKNVEINGISSVNAKAFHMFLVKTENVNIQNIKLTAPAESPNTDGIHLSNADNVSILDSTIATGDDCVSVGRGSNNVTVERVICGPGHGLSVGSLGKYKNEEDVSGIHVNNCTMIETDNGLRIKTWGGSDPSKAVDIKFENIIMQSVKNPIIIDQNYGSRGGDSQVAISDILFKNIRGTTITKDVVQIMCSKSVPCQGVNVVDVNLDYVGKTGGEKKSSSGGLVGALCDNANVIFGGKLSFPMCPK

Gene
PGA3
Protein
Pepsin A-3
Organism
Homo sapiens
Length
388 amino acids
Function
Shows particularly broad specificity; although bonds involving phenylalanine and leucine are preferred, many others are also cleaved to some extent.
Similarity
Belongs to the peptidase A1 family.
Mass
41.976 kDa
Sequence
MKWLLLLGLVALSECIMYKVPLIRKKSLRRTLSERGLLKDFLKKHNLNPARKYFPQWKAPTLVDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA

Gene
PGA3
Protein
Plasma membrane-associated coenzyme Q6 reductase PGA3
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
312 amino acids
Function
NADH-dependent cytochrome b5 reductase that reduces coenzyme Q6 at the plasma membrane and mediates lifespan extension by calorie restriction by shifting fermentative to respiratory metabolism, probably through modulating the NAD(+)/NADH ratio.
Similarity
Belongs to the flavoprotein pyridine nucleotide cytochrome reductase family.
Mass
35.287 kDa
Sequence
MSKEDIEGTNILDEPVHGIYIPAALFVVGVAITTYMSGELKILWSLPILFMIIFVRAYSAYKRRRSLYPDRWTSLELEDQTIISKNTALYRFKLKTRLESLDIPAGHHVAVRVPIDGKQEVRYYNPISSKLESGYLDLVVKAYVDGKVSKYFAGLNSGDTVDFKGPIGTLNYEPNSSKHLGIVAGGSGITPVLQILNEIITVPEDLTKVSLLYANETENDILLKDELDEMAEKYPHFQVHYVVHYPSDRWTGDVGYITKDQMNRYLPEYSEDNRLLICGPDGMNNLALQYAKELGWKVNSTRSSGDDQVFVF