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APA2

Gene
APA2
Protein
Aspartic proteinase A2
Organism
Arabidopsis thaliana
Length
513 amino acids
Function
Involved in the breakdown of propeptides of storage proteins in protein-storage vacuoles.
Similarity
Belongs to the peptidase A1 family.
Mass
55.748 kDa
Sequence
MGVYSRAVAFSVFVSFLLFFTAYSKRNDGTFRVGLKKLKLDPNNRLATRFGSKQEEALRSSLRSYNNNLGGDSGDADIVPLKNYLDAQYYGEIAIGTPPQKFTVIFDTGSSNLWVPSGKCFFSLSCYFHAKYKSSRSSTYKKSGKRAAIHYGSGSISGFFSYDAVTVGDLVVKDQEFIETTSEPGLTFLVAKFDGLLGLGFQEIAVGNATPVWYNMLKQGLIKRPVFSFWLNRDPKSEEGGEIVFGGVDPKHFRGEHTFVPVTQRGYWQFDMGEVLIAGESTGYCGSGCSAIADSGTSLLAGPTAVVAMINKAIGASGVVSQQCKTVVDQYGQTILDLLLAETQPKKICSQIGLCAYDGTHGVSMGIESVVDKENTRSSSGLRDAGCPACEMAVVWIQSQLRQNMTQERIVNYINEICERMPSPNGESAVDCSQLSKMPTVSFTIGGKVFDLAPEEYVLKIGEGPVAQCISGFTALDIPPPRGPLWILGDVFMGKYHTVFDFGNEQVGFAEAV

Gene
APA2
Protein
Diadenosine 5',5'''-P1,P4-tetraphosphate phosphorylase 2
Organism
Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37)
Length
331 amino acids
Function
Ap4A phosphorylase catalyzes the phosphorolytic degradation of bis(5'-adenosyl) tetraphosphate (Ap4A) into ADP and ATP. Can also use other Np4N' nucleotides (where N and N' stand for A,C,G or U) as substrates. Cannot catalyze the reverse reaction. Additionally, this enzyme can also catalyze the phosphorolytic degradation of adenosine 5'-phosphosulfate (AMPS) into ADP and sulfate, the reversible exchange reaction between inorganic phosphate and the beta-phosphate of a nucleoside diphosphate (NDP), and the synthesis of Ap4A from AMPS plus ATP.
Similarity
Belongs to the ATP adenylyltransferase family.
Mass
36.991 kDa
Sequence
MFPSNLREIVEATYEKAVANGHVKFTESSSKKLKDVDAGISYQVTFAPSLQSKPERLPIAIDENGAPIPKKDPFAEPEPELTILDDCAGDYKLLLNKYPVAANHLILVTKKYLLQTAPLSPKDLLTTYKLLQELDDEDEMLRHLAFYNCGPNSGSSQDHKHLQILPLPYKFVPYQDKLCSGKEHFIPNAKTEPLQDAKIPFAHYAVPLPEDPEKVDEDLLAMTFVSLLQRTLSMFQDWEGSNAEKSNDDEASIPAYNVLMTKEWLCLVPRSKAFAETPSIGFNATGYAGLVLVKWDETLKVLNENPSAVTKLLLECSFPSTAGAKPTEYHY

Gene
APA2
Protein
Diadenosine 5',5'''-P1,P4-tetraphosphate phosphorylase 2
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
325 amino acids
Function
Ap4A phosphorylase catalyzes the phosphorolytic degradation of bis(5'-adenosyl) tetraphosphate (Ap4A) into ADP and ATP. Can also use other Np4N' nucleotides (where N and N' stand for A,C,G or U) as substrates, but prefers A-containing substrates. Cannot catalyze the reverse reaction. Additionally, this enzyme can also catalyze the phosphorolytic degradation of adenosine 5'-phosphosulfate (AMPS) into ADP and sulfate, the reversible exchange reaction between inorganic phosphate and the beta-phosphate of a nucleoside diphosphate (NDP), and the synthesis of Ap4A from AMPS plus ATP.
Similarity
Belongs to the ATP adenylyltransferase family.
Mass
36.841 kDa
Sequence
MIEENLKQKIHDKFVAAKKNGHLKVTHAESKKLKDPQTTTQYWVTFAPSLALKPDANKNSDSKAEDPFANPDEELVVTEDLNGDGEYKLLLNKFPVVPEHSLLVTSEFKDQRSALTPSDLMTAYNVLCSLQGDKDDDVTCERYLVFYNCGPHSGSSQDHKHLQIMQMPEKFIPFQDVLCNGKDHFLPTFNAEPLQDDKVSFAHFVLPLPESSDQVDEDLLAMCYVSLMQRALTFFQDWTNESPELTKSYNVLLTKKWICVVPRSHAKSGPPLMLNINSTGYCGMILVKDREKLENLTEDPHLVDKSLLQCGFPNTAGQKPTEYHY