P42069 (CD28_RABIT) Reviewed, UniProtKB/Swiss-Prot
Last modified
April 3, 2013.
Version 91.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: T-cell-specific surface glycoprotein CD28 Alternative name(s): CD_antigen=CD28 | ||
| Gene names |
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| Organism | Oryctolagus cuniculus (Rabbit) [Reference proteome] | ||
| Taxonomic identifier | 9986 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Lagomorpha › Leporidae › Oryctolagus![]() |
Protein attributes
| Sequence length | 221 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at transcript level |
General annotation (Comments)
| Function | Possibly involved in T-cell activation By similarity. |
| Subunit structure | Homodimer; disulfide-linked. Interacts with DUSP14. Binds to CD80/B7-1 and CD86/B7-2/B70 By similarity. |
| Subcellular location | |
| Sequence similarities | Contains 1 Ig-like V-type (immunoglobulin-like) domain. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Membrane |
| Domain | Immunoglobulin domain Signal Transmembrane Transmembrane helix |
| PTM | Disulfide bond Glycoprotein Phosphoprotein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | immune response Inferred from electronic annotation. Source: InterPro positive regulation of T cell proliferationInferred from sequence or structural similarity. Source: UniProtKB positive regulation of interleukin-2 biosynthetic processInferred from sequence or structural similarity. Source: UniProtKB positive regulation of mitosisInferred from sequence or structural similarity. Source: UniProtKB |
| Cellular_component | integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 19 | 19 | By similarity | ||||||||
| Chain | 20 – 221 | 202 | T-cell-specific surface glycoprotein CD28 | PRO_0000014655 | |||||||
Regions | |||||||||||
| Topological domain | 20 – 150 | 131 | Extracellular Potential | ||||||||
| Transmembrane | 151 – 177 | 27 | Helical; Potential | ||||||||
| Topological domain | 178 – 221 | 44 | Cytoplasmic Potential | ||||||||
| Domain | 29 – 138 | 110 | Ig-like V-type | ||||||||
Amino acid modifications | |||||||||||
| Modified residue | 190 | 1 | Phosphoserine By similarity | ||||||||
| Modified residue | 192 | 1 | Phosphotyrosine By similarity | ||||||||
| Modified residue | 210 | 1 | Phosphotyrosine By similarity | ||||||||
| Modified residue | 219 | 1 | Phosphotyrosine By similarity | ||||||||
| Glycosylation | 38 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 72 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 93 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 106 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 130 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Disulfide bond | 41 ↔ 113 | By similarity | |||||||||
| Disulfide bond | 67 ↔ 87 | By similarity | |||||||||
Sequences
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References
| [1] | "Cloning and sequencing of the rabbit gene encoding T-cell costimulatory molecules." Isono T., Seto A. Immunogenetics 42:217-220(1995) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Strain: B/J X Chbb:HM. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | D49841 mRNA. Translation: BAA08641.1. |
| PIR | I46689. |
| RefSeq | NP_001075676.1. NM_001082207.1. |
| UniGene | Ocu.3056. |
3D structure databases | |
| ProteinModelPortal | P42069. |
| SMR | P42069. Positions 20-137. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 9986.ENSOCUP00000025050. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| GeneID | 100008998. |
Organism-specific databases | |
| CTD | 940. |
Phylogenomic databases | |
| eggNOG | NOG48152. |
| HOGENOM | HOG000276892. |
| HOVERGEN | HBG004094. |
| OrthoDB | EOG498V1S. |
Family and domain databases | |
| Gene3D | 2.60.40.10. 1 hit. |
| InterPro | IPR008093. CD28. IPR013783. Ig-like_fold. IPR003599. Ig_sub. IPR013106. Ig_V-set. [Graphical view] |
| Pfam | PF07686. V-set. 1 hit. [Graphical view] |
| PRINTS | PR01717. CD28ANTIGEN. |
| SMART | SM00409. IG. 1 hit. [Graphical view] |
| PROSITE | PS50835. IG_LIKE. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | CD28_RABIT | ||||||||
| Accession | Primary (citable) accession number: P42069 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
Relevant documents
| SIMILARITY comments Index of protein domains and families |

Clusters with
