Q38740 · SBP2_ANTMA
- ProteinSquamosa promoter-binding protein 2
- GeneSBP2
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids171 (go to sequence)
- Protein existenceEvidence at transcript level
- Annotation score3/5
Function
function
Probable transcriptional factor. Binds to the promoter of the SQUAMOSA gene.
Features
Showing features for binding site.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Binding site | 85 | Zn2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: C | ||||||
Binding site | 90 | Zn2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: C | ||||||
Binding site | 107 | Zn2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: C | ||||||
Binding site | 110 | Zn2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: H | ||||||
Binding site | 126 | Zn2+ 2 (UniProtKB | ChEBI) | ||||
Sequence: C | ||||||
Binding site | 129 | Zn2+ 2 (UniProtKB | ChEBI) | ||||
Sequence: C | ||||||
Binding site | 133 | Zn2+ 2 (UniProtKB | ChEBI) | ||||
Sequence: H | ||||||
Binding site | 145 | Zn2+ 2 (UniProtKB | ChEBI) | ||||
Sequence: C |
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 | |
---|---|---|
Cellular Component | nucleus | |
Molecular Function | DNA binding | |
Molecular Function | DNA-binding transcription factor activity | |
Molecular Function | metal ion binding | |
Biological Process | flower development |
Keywords
- Molecular function
- Biological process
- Ligand
Names & Taxonomy
Protein names
- Recommended nameSquamosa promoter-binding protein 2
Gene names
Organism names
- Strain
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > asterids > lamiids > Lamiales > Plantaginaceae > Antirrhineae > Antirrhinum
Accessions
- Primary accessionQ38740
Subcellular Location
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000132721 | 1-171 | Squamosa promoter-binding protein 2 | |||
Sequence: MDPNMQNMMSSYLKIKKLVGDEGSDFEEEEEGEDEEEEEQERVVKVNFAESQLKKKKLNLGEGSGGKSGEKHTASGGGVVAQPCCLVENCGADLRNCKKYYQRHRVCEVHAKAPVVSVEGLMQRFCQQCSRFHDLSEFDQTKRSCRRRLAGHNERRRKSSLESHKEGRSPR |
Structure
Family & Domains
Features
Showing features for region, compositional bias, zinc finger, motif.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Region | 20-46 | Disordered | ||||
Sequence: GDEGSDFEEEEEGEDEEEEEQERVVKV | ||||||
Compositional bias | 24-40 | Acidic residues | ||||
Sequence: SDFEEEEEGEDEEEEEQ | ||||||
Region | 57-76 | Disordered | ||||
Sequence: KLNLGEGSGGKSGEKHTASG | ||||||
Zinc finger | 82-159 | SBP-type | ||||
Sequence: QPCCLVENCGADLRNCKKYYQRHRVCEVHAKAPVVSVEGLMQRFCQQCSRFHDLSEFDQTKRSCRRRLAGHNERRRKS | ||||||
Motif | 142-158 | Bipartite nuclear localization signal | ||||
Sequence: KRSCRRRLAGHNERRRK | ||||||
Region | 149-171 | Disordered | ||||
Sequence: LAGHNERRRKSSLESHKEGRSPR | ||||||
Compositional bias | 155-171 | Basic and acidic residues | ||||
Sequence: RRRKSSLESHKEGRSPR |
Domain
The SBP-type zinc finger is required for the binding to DNA.
Keywords
- Domain
Family and domain databases
Sequence
- Sequence statusComplete
- Length171
- Mass (Da)19,466
- Last updated1996-11-01 v1
- ChecksumE8B6B494157575EF
Features
Showing features for compositional bias.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Compositional bias | 24-40 | Acidic residues | ||||
Sequence: SDFEEEEEGEDEEEEEQ | ||||||
Compositional bias | 155-171 | Basic and acidic residues | ||||
Sequence: RRRKSSLESHKEGRSPR |