Q93XN8 · SPP3B_ARATH
- ProteinProbable sucrose-phosphatase 3b
- GeneSPP3B
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids423 (go to sequence)
- Protein existenceEvidence at transcript level
- Annotation score3/5
Function
function
Catalyzes the final step of sucrose synthesis.
Catalytic activity
- H2O + sucrose 6(F)-phosphate = phosphate + sucrose
Cofactor
Pathway
Glycan biosynthesis; sucrose biosynthesis; sucrose from D-fructose 6-phosphate and UDP-alpha-D-glucose: step 2/2.
GO annotations
all annotations | all molecular function | nucleotide binding | molecular_function | nucleic acid binding | dna binding | chromatin binding | dna-binding transcription factor activity | rna binding | cytoskeletal motor activity | catalytic activity | nuclease activity | signaling receptor binding | structural molecule activity | transporter activity | binding | protein binding | translation factor activity, rna binding | lipid binding | kinase activity | transferase activity | hydrolase activity | oxygen binding | enzyme regulator activity | carbohydrate binding | signaling receptor activity | translation regulator activity | transcription regulator activity | other molecular function | all biological process | carbohydrate metabolic process | generation of precursor metabolites and energy | nucleobase-containing compound metabolic process | dna metabolic process | translation | lipid metabolic process | transport | response to stress | cell cycle | cell communication | signal transduction | cell-cell signaling | multicellular organism development | circadian rhythm | biological_process | metabolic process | catabolic process | biosynthetic process | response to light stimulus | response to external stimulus | tropism | response to biotic stimulus | response to abiotic stimulus | response to endogenous stimulus | embryo development | post-embryonic development | fruit ripening | abscission | pollination | flower development | cellular process | programmed cell death | photosynthesis | cellular component organization | cell growth | protein metabolic process | cellular homeostasis | secondary metabolic process | reproductive process | cell differentiation | protein modification process | growth | epigenetic regulation of gene expression | response to chemical | anatomical structure development | regulation of molecular function | other biological process | all cellular component | cellular_component | extracellular region | cell wall | intracellular anatomical structure | nucleus | nuclear envelope | nucleoplasm | nucleolus | cytoplasm | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | cytosol | ribosome | cytoskeleton | plasma membrane | chloroplast | plastid | thylakoid | membrane | external encapsulating structure | other cellular component | |||
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Aspect | Term | |
---|---|---|
Molecular Function | magnesium ion binding | |
Molecular Function | sucrose-phosphate phosphatase activity | |
Biological Process | sucrose biosynthetic process |
Keywords
- Molecular function
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameProbable sucrose-phosphatase 3b
- EC number
- Short namesAtSPP3b
Gene names
Organism names
- Strain
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > malvids > Brassicales > Brassicaceae > Camelineae > Arabidopsis
Accessions
- Primary accessionQ93XN8
- Secondary accessions
Proteomes
Organism-specific databases
Genome annotation databases
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000350616 | 1-423 | Probable sucrose-phosphatase 3b | |||
Sequence: MERLISHPPLMIVSDLDHTMVDHQDHENLSLLRFNSLWEYAYRRDSLLVFSTARSPVLYKELRKEKPLLTPDIIITSIGTEIAFGNSMVPDHAWVESLNSCKWNREIVLEETSKFPELTLQPKTEQRLHKVSFYIDEGKGEALTKELSQLLEKRGLDVKIIYSWGKNVDVIPRGAGKGEALEYLLKKLQAEGIFPVNTLACGDSEHDAELFSIPDVHGVMVSNSQEELLKWRSENALNNLKVIHSTERCADGIIQAIGHFNLGPDLSPRDVSEFLDRKMDNVNPGHEVVRFYLFYERLRRGEIKNYETYIASFKDSCLHAAVLFHPSGAEKSLRDTIDELKKCYGDKRGKKFWVWVDQVLVTDTIPGKWIVKFDKWEQCEDESQCCKTTVEFTSKGGDLVWEKVKQIWSEESKVKDDNSSWIL |
Proteomic databases
PTM databases
Expression
Gene expression databases
Structure
Sequence & Isoform
- Sequence statusComplete
This entry describes 2 isoforms produced by Alternative splicing.
Q93XN8-1
This isoform has been chosen as the canonical sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.
- Name1
- Length423
- Mass (Da)48,678
- Last updated2001-12-01 v1
- Checksum51F409F48C0A4F38
Q93XN8-2
- Name2
Computationally mapped potential isoform sequences
There are 2 potential isoforms mapped to this entry
Entry | Entry name | Gene name | Length | ||
---|---|---|---|---|---|
A0A1I9LQG1 | A0A1I9LQG1_ARATH | SPP2 | 464 | ||
A0A1I9LQG4 | A0A1I9LQG4_ARATH | SPP2 | 435 |
Sequence caution
Features
Showing features for alternative sequence.
Keywords
- Coding sequence diversity
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
AF356816 EMBL· GenBank· DDBJ | AAK40235.1 EMBL· GenBank· DDBJ | mRNA | ||
AL132972 EMBL· GenBank· DDBJ | CAC07925.1 EMBL· GenBank· DDBJ | Genomic DNA | Sequence problems. | |
CP002686 EMBL· GenBank· DDBJ | AEE78934.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
CP002686 EMBL· GenBank· DDBJ | AEE78935.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
CP002686 EMBL· GenBank· DDBJ | AEE78936.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
CP002686 EMBL· GenBank· DDBJ | ANM64820.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
AY091146 EMBL· GenBank· DDBJ | AAM14095.1 EMBL· GenBank· DDBJ | mRNA | ||
BT000909 EMBL· GenBank· DDBJ | AAN41309.1 EMBL· GenBank· DDBJ | mRNA | ||
AK175395 EMBL· GenBank· DDBJ | BAD43158.1 EMBL· GenBank· DDBJ | mRNA |