About Products Protein Database Contact

DPE2

Gene
DPE2
Protein
4-alpha-glucanotransferase DPE2
Organism
Arabidopsis thaliana
Length
955 amino acids
Function
Cytosolic alpha-glucanotransferase essential for the cytosolic metabolism of maltose, an intermediate on the pathway by which starch is converted to sucrose in leaves at night. Metabolizes maltose exported from the chloroplast and is specific for beta-maltose. May play a role in freezing tolerance. Temperature drop induces inactivation of DPE2 that leads to rapid accumulation of maltose, a solute that protects cells from freezing damage.
Similarity
Belongs to the disproportionating enzyme family.
Mass
109.777 kDa
Sequence
MMNLGSLSLSTSKSSKPMVSISFWIPYFTHWGESLLVCGSAPGLGSGNVKKGLLLKPSQQDDQLIWSGSVSVPPGFSSDYCYYVVDDSKSVLRSEFGMKRKLVVPETLTGGESVHLRDLWQSGDQALPFRSAFKDVIFHHSFDVKVEKPLGVFMNKSDQDDSVVVQFKICCPDIGEGTSVYVLGTPEKLGNWKVENGLRLNYVDDSIWEADCLIPKADFPIKYRYCKVQKEDSIGFESGGNRELSLHSIGSKQEYIVMSDGLFRAMPWRGAGVAVPMFSVRSEDDVGVGEFLDLKLLVDWAVDSGLHLVQLLPVNDTSVHKMWWDSYPYSSLSVFALHPLYLRVQALSERLPEDIKEEIQKAKNQLDKNDVDYEATMETKLSIAKKIFDIEKDQTLNSSTFQKFFSENEGWLKPYAAFCFLRDFFETSDHSQWGTFSDYTDDKLEKLISKDNLHYNTICFHYYIQYHLHVQLSAAAEYARKKGVVLKGDLPIGVDRNSVDTWVYRNLFRMNTSTGAPPDYFDKNGQNWGFPTYNWEEMSKDNYAWWRARLTQMGKYFTAYRIDHILGFFRIWELPAHAMTGLVGKFRPSIPLSQEELEKEGIWDFDRLSKPYIQKKFLEEKFGDFWPFIASNFLNETQKDMYEFKEDCNTEKKIVAKLKSLAEKSLLLENEDKVRRDVFDILRNVVLIKDPEDARKFYPRFNIEDTSSFQDLDDHSKNVLKRLYYDYYFQRQEDLWRKNALKTLPALLNSSNMLACGEDLGLIPSCVHPVMQELGLVGLRIQRMPSESDVKFGIPSNYDYMTVCAPSCHDCSTLRAWWEEDEERRQQYFKEVIGVDGIPPSQCIPEITHFILRQHVEAPSMWAIFPLQDMMALKEEYTTRPATEETINDPTNPKHYWRYRVHVTLDSLLKDTDLKSTIKNLVSSSGRSVPANVSGEDINKSRGEVIANGSTKPNP

Gene
DPE2
Protein
4-alpha-glucanotransferase DPE2
Organism
Oryza sativa subsp. japonica
Length
946 amino acids
Function
Cytosolic alpha-glucanotransferase essential for the cytosolic metabolism of maltose, an intermediate on the pathway by which starch is converted to sucrose in leaves at night.
Similarity
Belongs to the disproportionating enzyme family.
Mass
108.294 kDa
Sequence
MTNLSGKKSLNTVTLVFKLPYYTQWGQSLLIAGSEPALGSWNVKQGLSLSPVHQGNELIWSGRVSVATGFTCQYNYYVVDDNKNVLRSESGEKRKLVLPEGVQDGDVVEIRDWWQDASEALFLRSAFKNVIFNGSENAKRELKTTSLNKSLEPEDIVVQFIVSCPRLGAGSTVVVTGSNPQLGRWQTQDGLKLNYVGDSIWKANCLLRKSEFPIKYKYCKISEAGVSSLEFGPNREADVDLSSPKPSRYVLLSDGALRESPWRGAGVAVPIFSIRSNEDLGVGEFLDLKLLVDWAVNSGFHLVQLLPINDTSVHGMWWDSYPYSSLSVFALHPLYLRVQALSDAIPGDIKDEISQAKKQLDKKDVDYEASLASKLSIARKIFKLEKDKVLNSSSFKQFLSENEEWLKPYAAFCFLRDFFETSDHSQWGRFSQFSKEKLDKLVSEGTLHHDVICFHYYIQYHLYMQLSEAAAYARKKKVILKGDLPIGVDRNSVDTWVYPTLFRMNTATGAPPDYFDKNGQNWGFPTYNWEEMSKDNYGWWRARLTQMAKYFTAYRIDHILGFFRIWELPDHAATGLVGKFRPSIALSQEELLSEGLWDFDRMSRPYILQETLEEKFGSFWTVIAANFLNEYKKQHYEFKEDCNTEKKIIAKLKNSSEKSLWLEKEDSIRRGLFDLLQNIVLIRDPEDSTKFYPRFNQEDTSSFNDLDEHSKNILRRLYYDYYFARQENLWRQNALKTLPVLLNSSDMLACGEDLGLIPACVHPVMQELGLIGLRIQRMPSEPNLEFGIPSQYSYMTVCAPSCHDCSTLRAWWEEDGGRRSRFYQTVIGSDDEPPSRCTPEVANFIVKQHFDAPSMWAIFPLQDLLALKDKYTTRPAKEETINDPTNPKHYWRFRLHVTLDSLLDDKDIQATIKELVTSSGRSFPGKVDGAEESGEKLAKVQLNGKP