Protein
Guanosine-diphosphatase
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Function
After transfer of sugars to endogenous macromolecular acceptors, the enzyme converts nucleoside diphosphates to nucleoside monophosphates which in turn exit the Golgi lumen in a coupled antiporter reaction, allowing entry of additional nucleotide sugar from the cytosol.
Similarity
Belongs to the GDA1/CD39 NTPase family.
Sequence
MTPTMKSIARRKALLIALSIFAVTFILWNGFPGSSNRPLPSSNDEFHYEDIELPSGYRSEGEVVDLLNPKDELEEPLFSEEPLFPVTTSIPTKTAVSKPKIAPTSAAKDVTFSSSIDSDDCSVAYDNSKPVRQYVLMIDAGSTGSRVHVYQFNNCNPSPKLEEEFFKMIEPGLSSFAGDPEGAAASLDPLLDYAMENVPEEYRRCSPIAVKATAGLRLTGESEAKAILKSVRQHLENDYPFPIVKDGVSILEGSMEGIYAWITINYLLGTLGGKATHSTVAVMDLGGASTQLVFEPRFASDGESLVDGDHKYVLDYNGEQYELYQHSHLGYGLKEARKLIHKFVLNNAEALKESLELLGDSTSIIHPCLHLNASLTHPDSKSEASEVVFVGPSLAHLSLQCRGIAEKALYKDKNCPVRPCSFNGVHQPKFTETFTDSPIYLISYFYDRMISLGMPSTFTIEDMKYLANSVCSGPTYWQDAFSLTDALKELKEEPEWCLDLNYMISLLSVGYEIPNNRQLHTAKKIDNKELGWCLGASLSMLSEQNNGWNCNVKEEI