Q8BRT1 (CLAP2_MOUSE) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 96.
History...
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: CLIP-associating protein 2 Alternative name(s): Cytoplasmic linker-associated protein 2 | ||||
| Gene names |
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| Organism | Mus musculus (Mouse) [Reference proteome] | ||||
| Taxonomic identifier | 10090 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Sciurognathi › Muroidea › Muridae › Murinae › Mus › Mus![]() |
Protein attributes
| Sequence length | 1286 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Microtubule plus-end tracking protein that promotes the stabilization of dynamic microtubules. Involved in the nucleation of noncentrosomal microtubules originating from the trans-Golgi network (TGN). Required for the polarization of the cytoplasmic microtubule arrays in migrating cells towards the leading edge of the cell. May act at the cell cortex to enhance the frequency of rescue of depolymerizing microtubules by attaching their plus-ends to cortical platforms composed of ERC1 and PHLDB2. This cortical microtubule stabilizing activity is regulated at least in part by phosphatidylinositol 3-kinase signaling. Also performs a similar stabilizing function at the kinetochore which is essential for the bipolar alignment of chromosomes on the mitotic spindle. Acts as a mediator of ERBB2-dependent stabilization of microtubules at the cell cortex By similarity. Ref.8 |
| Subunit structure | Interacts with ERC1, MAPRE3, microtubules and PHLDB2. The interaction with ERC1 may be mediated by PHLDB2. Interacts with MAPRE1; probably required for targeting to the growing microtubule plus ends. Interacts with GCC2; recruits CLASP2 to the Golgi membranes By similarity. Interacts with CLIP2 and RSN. Interacts with MACF1. Ref.1 Ref.11 |
| Subcellular location | Cytoplasm › cytoskeleton. Cytoplasm › cytoskeleton › centrosome. Chromosome › centromere › kinetochore. Cytoplasm › cytoskeleton › spindle. Cytoplasm › cytoskeleton › spindle pole. Golgi apparatus. Golgi apparatus › trans-Golgi network By similarity. Cell membrane By similarity. Cell projection › ruffle membrane By similarity. Note: Localizes to microtubule plus ends. Localizes to centrosomes, kinetochores and the mitotic spindle from prometaphase. Subsequently localizes to the spindle midzone from anaphase and to the midbody from telophase. In migrating cells localizes to the plus ends of microtubules within the cell body and to the entire microtubule lattice within the lamella. Localizes to the cell cortex and this requires ERC1 and PHLDB2 By similarity. Also localizes to meiotic spindle poles. The MEMO1-RHOA-DIAPH1 signaling pathway controls localization of the phosophorylated form to the cell membrane By similarity. Ref.1 Ref.7 Ref.8 |
| Tissue specificity | Highly expressed in brain and at low levels in heart, kidney and lung. Ref.1 |
| Developmental stage | Expressed in oocytes and early embryos. Ref.7 |
| Domain | The microtubule tip localization signal (MtLS) motif; mediates interaction with MAPRE1 and targeting to the growing microtubule plus ends By similarity. |
| Post-translational modification | Phosphorylated by GSK3B. Phosphorylation by GSK3B may negatively regulate binding to microtubule lattices in lamella. Isoform 2 is phosphorylated on Ser-241. |
| Sequence similarities | Belongs to the CLASP family. Contains 5 HEAT repeats. |
| Sequence caution | The sequence BAC41436.2 differs from that shown. Reason: Frameshift at position 737. |
Ontologies
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q8BRT1-1) 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. | ||||||
| Isoform 2 (identifier: Q8BRT1-5) The sequence of this isoform differs from the canonical sequence as follows: 1-12: MRRLICKRICDY → MEPRGAEYFC...GGMILSVCKD 142-1054: Missing. | ||||||
| Note: Contains a phosphoserine at position 241. | ||||||
| Isoform 3 (identifier: Q8BRT1-6) The sequence of this isoform differs from the canonical sequence as follows: 1-12: MRRLICKRICDY → MAMGDD 119-173: LKKIRSLLVA...ITVAHLSTVL → CMSCSLVASE...SPVSSAFVQH 174-1286: Missing. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1286 | 1286 | CLIP-associating protein 2 | PRO_0000089850 | |||||
Regions | |||||||||
| Repeat | 179 – 214 | 36 | HEAT 1 | ||||||
| Repeat | 215 – 251 | 37 | HEAT 2 | ||||||
| Repeat | 764 – 801 | 38 | HEAT 3 | ||||||
| Repeat | 1090 – 1127 | 38 | HEAT 4 | ||||||
| Repeat | 1208 – 1245 | 38 | HEAT 5 | ||||||
| Region | 1 – 40 | 40 | Golgi localization | ||||||
| Region | 450 – 565 | 116 | Interaction with microtubules, MAPRE1 and MAPRE3 By similarity | ||||||
| Region | 864 – 1286 | 423 | Interaction with RSN and localization to the Golgi and kinetochores By similarity | ||||||
| Region | 1009 – 1286 | 278 | Required for cortical localization By similarity | ||||||
| Coiled coil | 1047 – 1076 | 30 | Potential | ||||||
| Motif | 500 – 503 | 4 | Microtubule tip localization signal | ||||||
| Motif | 523 – 526 | 4 | Microtubule tip localization signal | ||||||
| Compositional bias | 459 – 572 | 114 | Ser-rich | ||||||
Amino acid modifications | |||||||||
| Modified residue | 14 | 1 | Phosphoserine Ref.12 | ||||||
| Modified residue | 376 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 461 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 513 | 1 | Phosphoserine Ref.9 | ||||||
| Modified residue | 531 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 535 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 581 | 1 | Phosphoserine Ref.6 | ||||||
| Modified residue | 1021 | 1 | Phosphoserine By similarity | ||||||
Natural variations | |||||||||
| Alternative sequence | 1 – 12 | 12 | MRRLI…RICDY → MEPRGAEYFCAQVLQKDVSG RLQAGEELLLCLGTPGAIPD LEDDPSRLAKTVDALTRWVG SSNYRVSLLGLEILSAFVDR LSTRFKSYVTMVTTALIDRM GDVKDKVREEAQNLTLKLMD EVAPPMYIWEQLASGFKHKN FRSREGVCLCLIETLNIFGT QPLVISKLVPHLCVLFGDSN SQVRNAALSAVVEIYRHVGE KLRIDLCKRDIPPARLEMVL AKFDEVQNSGGMILSVCKD in isoform 2. | VSP_015808 | |||||
| Alternative sequence | 1 – 12 | 12 | MRRLI…RICDY → MAMGDD in isoform 3. | VSP_015809 | |||||
| Alternative sequence | 119 – 173 | 55 | LKKIR…LSTVL → CMSCSLVASEVERALAWPLW SHLATYQHHCHCTLSHEDLP EKRLTSPVSSAFVQH in isoform 3. | VSP_015810 | |||||
| Alternative sequence | 142 – 1054 | 913 | Missing in isoform 2. | VSP_015811 | |||||
| Alternative sequence | 174 – 1286 | 1113 | Missing in isoform 3. | VSP_015812 | |||||
Experimental info | |||||||||
| Mutagenesis | 6 | 1 | C → S: Impairs Golgi localization; when associated with S-10. Ref.1 | ||||||
| Mutagenesis | 10 | 1 | C → S: Impairs Golgi localization; when associated with S-6. Ref.1 | ||||||
| Sequence conflict | 657 | 1 | S → T in BAC41436. Ref.4 | ||||||
| Sequence conflict | 683 | 1 | I → V in BAC41436. Ref.4 | ||||||
| Sequence conflict | 699 | 1 | P → L in BAC41436. Ref.4 | ||||||
| Sequence conflict | 702 | 1 | K → KR in BAC41436. Ref.4 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Clasps are CLIP-115 and -170 associating proteins involved in the regional regulation of microtubule dynamics in motile fibroblasts." Akhmanova A., Hoogenraad C.C., Drabek K., Stepanova T., Dortland B., Verkerk T., Vermeulen W., Burgering B.M., de Zeeuw C.I., Grosveld F., Galjart N. Cell 104:923-935(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2), SUBCELLULAR LOCATION, ALTERNATIVE SPLICING, TISSUE SPECIFICITY, INTERACTION WITH CLIP2 AND RSN, MUTAGENESIS OF CYS-6 AND CYS-10. |
| [2] | "The transcriptional landscape of the mammalian genome." Carninci P., Kasukawa T., Katayama S., Gough J., Frith M.C., Maeda N., Oyama R., Ravasi T., Lenhard B., Wells C., Kodzius R., Shimokawa K., Bajic V.B., Brenner S.E., Batalov S., Forrest A.R., Zavolan M., Davis M.J. Hayashizaki Y.Science 309:1559-1563(2005) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 3). Strain: C57BL/6J. Tissue: Brain cortex and Cerebellum. |
| [3] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3). Tissue: Eye. |
| [4] | "Prediction of the coding sequences of mouse homologues of KIAA gene: I. The complete nucleotide sequences of 100 mouse KIAA-homologous cDNAs identified by screening of terminal sequences of cDNA clones randomly sampled from size-fractionated libraries." Okazaki N., Kikuno R., Ohara R., Inamoto S., Hara Y., Nagase T., Ohara O., Koga H. DNA Res. 9:179-188(2002) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 90-1286 (ISOFORM 1). |
| [5] | Okazaki N., Kikuno R., Nagase T., Ohara O., Koga H. Submitted (AUG-2003) to the EMBL/GenBank/DDBJ databases Cited for: SEQUENCE REVISION. |
| [6] | "Phosphoproteomic analysis of the developing mouse brain." Ballif B.A., Villen J., Beausoleil S.A., Schwartz D., Gygi S.P. Mol. Cell. Proteomics 3:1093-1101(2004) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-581, MASS SPECTROMETRY. Tissue: Embryonic brain. |
| [7] | "PAR-1 and the microtubule-associated proteins CLASP2 and dynactin-p50 have specific localisation on mouse meiotic and first mitotic spindles." Moore C.A., Zernicka-Goetz M. Reproduction 130:311-320(2005) [PubMed] [Europe PMC] [Abstract] Cited for: SUBCELLULAR LOCATION, DEVELOPMENTAL STAGE. |
| [8] | "Mammalian CLASP1 and CLASP2 cooperate to ensure mitotic fidelity by regulating spindle and kinetochore function." Pereira A.L., Pereira A.J., Maia A.R.R., Drabek K., Sayas C.L., Hergert P.J., Lince-Faria M., Matos I., Duque C., Stepanova T., Rieder C.L., Earnshaw W.C., Galjart N., Maiato H. Mol. Biol. Cell 17:4526-4542(2006) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, SUBCELLULAR LOCATION. |
| [9] | "Comprehensive identification of phosphorylation sites in postsynaptic density preparations." Trinidad J.C., Specht C.G., Thalhammer A., Schoepfer R., Burlingame A.L. Mol. Cell. Proteomics 5:914-922(2006) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-513, MASS SPECTROMETRY. Tissue: Brain. |
| [10] | "Large-scale phosphorylation analysis of mouse liver." Villen J., Beausoleil S.A., Gerber S.A., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 104:1488-1493(2007) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-241 (ISOFORM 2), MASS SPECTROMETRY. Tissue: Liver. |
| [11] | "ACF7 regulates cytoskeletal-focal adhesion dynamics and migration and has ATPase activity." Wu X., Kodama A., Fuchs E. Cell 135:137-148(2008) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH MACF1. |
| [12] | "Solid tumor proteome and phosphoproteome analysis by high resolution mass spectrometry." Zanivan S., Gnad F., Wickstroem S.A., Geiger T., Macek B., Cox J., Faessler R., Mann M. J. Proteome Res. 7:5314-5326(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-14, MASS SPECTROMETRY. Tissue: Melanoma. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AJ276961 mRNA. Translation: CAC35161.1. AK043551 mRNA. Translation: BAC31579.1. AK005146 mRNA. Translation: BAB23842.1. BC030468 mRNA. Translation: AAH30468.1. AB093252 Transcribed RNA. Translation: BAC41436.2. Frameshift. |
| IPI | IPI00654284. IPI00875254. IPI00985608. |
| UniGene | Mm.222272. |
3D structure databases | |
| ProteinModelPortal | Q8BRT1. |
| SMR | Q8BRT1. Positions 1096-1123. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | Q8BRT1. 4 interactions. |
PTM databases | |
| PhosphoSite | Q8BRT1. |
Proteomic databases | |
| PaxDb | Q8BRT1. |
| PRIDE | Q8BRT1. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| UCSC | uc009rwt.1. mouse. uc009rwv.1. mouse. |
Organism-specific databases | |
| MGI | MGI:1923749. Clasp2. |
| Rouge | Search... |
Phylogenomic databases | |
| eggNOG | NOG81443. |
| HOGENOM | HOG000185856. |
| HOVERGEN | HBG079692. |
Gene expression databases | |
| CleanEx | MM_CLASP2. |
| Genevestigator | Q8BRT1. |
| GermOnline | ENSMUSG00000033392. Mus musculus. |
Family and domain databases | |
| Gene3D | 1.25.10.10. 3 hits. |
| InterPro | IPR011989. ARM-like. IPR016024. ARM-type_fold. IPR024395. CLASP_N_dom. [Graphical view] |
| Pfam | PF12348. CLASP_N. 1 hit. [Graphical view] |
| SUPFAM | SSF48371. ARM-type_fold. 1 hit. |
| PROSITE | PS50077. HEAT_REPEAT. False negative. [Graphical view] |
| ProtoNet | Search... |
Other | |
| SOURCE | Search... |
Entry information
| Entry name | CLAP2_MOUSE | ||||||||
| Accession | Primary (citable) accession number: Q8BRT1 Secondary accession number(s): Q8CHE3, Q99JI3, Q9DB80 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
Relevant documents
| MGD cross-references Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot |
| SIMILARITY comments Index of protein domains and families |

Clusters with
