BAIAP2

Available structures

Ortholog search: PDBe RCSB

List of PDB id codes
1WDZ, 1Y2O, 2YKT, 3RNJ, 4JS0

Identifiers

Aliases

BAIAP2, BAP2, FLAF3, IRSP53, BAI1 associated protein 2

External IDs

MGI: 2137336 HomoloGene: 9697 GeneCards: BAIAP2

Gene ontology
Molecular function	• PDZ domain binding • protein C-terminus binding • protein binding • identical protein binding • cytoskeletal adaptor activity • proline-rich region binding • cadherin binding involved in cell-cell adhesion • transcription cofactor binding • scaffold protein binding
Cellular component	• cytosol • cell projection • postsynaptic density of dendrite • membrane • filopodium • ruffle • dendritic spine • secretory granule • neuronal cell body • actin cytoskeleton • neuron projection • extracellular exosome • cytoskeleton • cell-cell adherens junction • cytoplasm • rough endoplasmic reticulum • Golgi apparatus • microtubule • plasma membrane • dendritic shaft • neuron projection terminus • excitatory synapse • synaptic membrane • postsynapse • neuron projection branch point • dendritic spine cytoplasm • presynapse
Biological process	• insulin receptor signaling pathway • positive regulation of actin filament polymerization • regulation of actin cytoskeleton organization • response to bacterium • axonogenesis • Fc-gamma receptor signaling pathway involved in phagocytosis • dendrite development • actin filament bundle assembly • regulation of synaptic plasticity • vascular endothelial growth factor receptor signaling pathway • actin crosslink formation • regulation of cell shape • plasma membrane organization • positive regulation of actin cytoskeleton reorganization • positive regulation of dendritic spine morphogenesis • cell-cell adhesion • brain development • positive regulation of neuron projection development • neuron differentiation • protein localization to synapse • cellular response to epidermal growth factor stimulus • cellular response to L-glutamate • positive regulation of excitatory postsynaptic potential
Sources:Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

Entrez


10458


108100

Ensembl


ENSG00000175866


ENSMUSG00000025372

UniProt


Q9UQB8


Q8BKX1

RefSeq (mRNA)


NM_001144888 NM_006340 NM_017450 NM_017451


NM_001037754 NM_001037755 NM_130862

RefSeq (protein)


NP_001138360 NP_006331 NP_059344 NP_059345


NP_001032843 NP_001032844 NP_570932

Location (UCSC)

Chr 17: 81.04 – 81.12 Mb

Chr 11: 119.94 – 120.01 Mb

PubMed search

^[1]

^[2]

Wikidata

View/Edit Human

View/Edit Mouse

Brain-specific angiogenesis inhibitor 1-associated protein 2 is a protein that in humans is encoded by the BAIAP2 gene.^[3]^[4]

Function

The protein encoded by this gene has been identified as a brain-specific angiogenesis inhibitor (BAI1)-binding protein. This interaction at the cytoplasmic membrane is crucial to the function of this protein, which may be involved in neuronal growth-cone guidance. This protein functions as an insulin receptor tyrosine kinase substrate and suggests a role for insulin in the central nervous system. This protein has also been identified as interacting with the dentatorubral-pallidoluysian atrophy gene, which is associated with an autosomal dominant neurodegenerative disease. It also associates with a downstream effector of Rho small G proteins, which is associated with the formation of stress fibers and cytokinesis. Alternative splicing of the 3'-end of this gene results in three products of undetermined function.^[4]

Interactions

BAIAP2 has been shown to interact with:

References

↑ "Human PubMed Reference:".
↑ "Mouse PubMed Reference:".
↑ Oda K, Shiratsuchi T, Nishimori H, Inazawa J, Yoshikawa H, Taketani Y, Nakamura Y, Tokino T (June 1999). "Identification of BAIAP2 (BAI-associated protein 2), a novel human homologue of hamster IRSp53, whose SH3 domain interacts with the cytoplasmic domain of BAI1". Cytogenet Cell Genet. 84 (1–2): 75–82. PMID 10343108. doi:10.1159/000015219.
1 2 "Entrez Gene: BAIAP2 BAI1-associated protein 2".
↑ Okamura-Oho Y, Miyashita T, Ohmi K, Yamada M (June 1999). "Dentatorubral-pallidoluysian atrophy protein interacts through a proline-rich region near polyglutamine with the SH3 domain of an insulin receptor tyrosine kinase substrate". Hum. Mol. Genet. 8 (6): 947–57. PMID 10332026. doi:10.1093/hmg/8.6.947.
1 2 3 4 Miki H, Yamaguchi H, Suetsugu S, Takenawa T (Dec 2000). "IRSp53 is an essential intermediate between Rac and WAVE in the regulation of membrane ruffling". Nature. 408 (6813): 732–5. PMID 11130076. doi:10.1038/35047107.
1 2 Soltau M, Richter D, Kreienkamp HJ (Dec 2002). "The insulin receptor substrate IRSp53 links postsynaptic shank1 to the small G-protein cdc42". Mol. Cell. Neurosci. 21 (4): 575–83. PMID 12504591. doi:10.1006/mcne.2002.1201.
↑ Krugmann S, Jordens I, Gevaert K, Driessens M, Vandekerckhove J, Hall A (October 2001). "Cdc42 induces filopodia by promoting the formation of an IRSp53:Mena complex". Curr. Biol. 11 (21): 1645–55. PMID 11696321. doi:10.1016/S0960-9822(01)00506-1.
↑ Rual JF, Venkatesan K, Hao T, Hirozane-Kishikawa T, Dricot A, Li N, Berriz GF, Gibbons FD, Dreze M, Ayivi-Guedehoussou N, Klitgord N, Simon C, Boxem M, Milstein S, Rosenberg J, Goldberg DS, Zhang LV, Wong SL, Franklin G, Li S, Albala JS, Lim J, Fraughton C, Llamosas E, Cevik S, Bex C, Lamesch P, Sikorski RS, Vandenhaute J, Zoghbi HY, Smolyar A, Bosak S, Sequerra R, Doucette-Stamm L, Cusick ME, Hill DE, Roth FP, Vidal M (October 2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. PMID 16189514. doi:10.1038/nature04209.
↑ Funato Y, Terabayashi T, Suenaga N, Seiki M, Takenawa T, Miki H (August 2004). "IRSp53/Eps8 complex is important for positive regulation of Rac and cancer cell motility/invasiveness". Cancer Res. 64 (15): 5237–44. PMID 15289329. doi:10.1158/0008-5472.CAN-04-0327.

External links

Human BAIAP2 genome location and BAIAP2 gene details page in the UCSC Genome Browser.

Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. PMID 8125298. doi:10.1016/0378-1119(94)90802-8.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. PMID 9373149. doi:10.1016/S0378-1119(97)00411-3.
Okamura-Oho Y, Miyashita T, Ohmi K, Yamada M (1999). "Dentatorubral-pallidoluysian atrophy protein interacts through a proline-rich region near polyglutamine with the SH3 domain of an insulin receptor tyrosine kinase substrate". Hum. Mol. Genet. 8 (6): 947–57. PMID 10332026. doi:10.1093/hmg/8.6.947.
Abbott MA, Wells DG, Fallon JR (1999). "The insulin receptor tyrosine kinase substrate p58/53 and the insulin receptor are components of CNS synapses". J. Neurosci. 19 (17): 7300–8. PMID 10460236.
Fujiwara T, Mammoto A, Kim Y, Takai Y (2000). "Rho small G-protein-dependent binding of mDia to an Src homology 3 domain-containing IRSp53/BAIAP2". Biochem. Biophys. Res. Commun. 271 (3): 626–9. PMID 10814512. doi:10.1006/bbrc.2000.2671.
Miki H, Yamaguchi H, Suetsugu S, Takenawa T (2001). "IRSp53 is an essential intermediate between Rac and WAVE in the regulation of membrane ruffling". Nature. 408 (6813): 732–5. PMID 11130076. doi:10.1038/35047107.
Govind S, Kozma R, Monfries C, et al. (2001). "Cdc42hs Facilitates Cytoskeletal Reorganization and Neurite Outgrowth by Localizing the 58-Kd Insulin Receptor Substrate to Filamentous Actin". J. Cell Biol. 152 (3): 579–94. PMC 2195994 . PMID 11157984. doi:10.1083/jcb.152.3.579.
Krugmann S, Jordens I, Gevaert K, et al. (2002). "Cdc42 induces filopodia by promoting the formation of an IRSp53:Mena complex". Curr. Biol. 11 (21): 1645–55. PMID 11696321. doi:10.1016/S0960-9822(01)00506-1.
Miki H, Takenawa T (2002). "WAVE2 serves a functional partner of IRSp53 by regulating its interaction with Rac". Biochem. Biophys. Res. Commun. 293 (1): 93–9. PMID 12054568. doi:10.1016/S0006-291X(02)00218-8.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. PMC 139241 . PMID 12477932. doi:10.1073/pnas.242603899.
Soltau M, Richter D, Kreienkamp HJ (2003). "The insulin receptor substrate IRSp53 links postsynaptic shank1 to the small G-protein cdc42". Mol. Cell. Neurosci. 21 (4): 575–83. PMID 12504591. doi:10.1006/mcne.2002.1201.
Sekerková G, Loomis PA, Changyaleket B, et al. (2003). "Novel Espin Actin-bundling Proteins Are Localized to Purkinje Cell Dendritic Spines and Bind the SH3 Adapter Protein Insulin Receptor Substrate p53". J. Neurosci. 23 (4): 1310–9. PMC 2854510 . PMID 12598619.
Miyahara A, Okamura-Oho Y, Miyashita T, et al. (2003). "Genomic structure and alternative splicing of the insulin receptor tyrosine kinase substrate of 53-kDa protein". J. Hum. Genet. 48 (8): 410–4. PMID 12884081. doi:10.1007/s10038-003-0047-x.
Hori K, Konno D, Maruoka H, Sobue K (2003). "MALS is a binding partner of IRSp53 at cell-cell contacts". FEBS Lett. 554 (1–2): 30–4. PMID 14596909. doi:10.1016/S0014-5793(03)01074-3.
Lehner B, Semple JI, Brown SE, et al. (2004). "Analysis of a high-throughput yeast two-hybrid system and its use to predict the function of intracellular proteins encoded within the human MHC class III region". Genomics. 83 (1): 153–67. PMID 14667819. doi:10.1016/S0888-7543(03)00235-0.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. PMID 14702039. doi:10.1038/ng1285.
Yamagishi A, Masuda M, Ohki T, et al. (2004). "A novel actin bundling/filopodium-forming domain conserved in insulin receptor tyrosine kinase substrate p53 and missing in metastasis protein". J. Biol. Chem. 279 (15): 14929–36. PMID 14752106. doi:10.1074/jbc.M309408200.
Funato Y, Terabayashi T, Suenaga N, et al. (2004). "IRSp53/Eps8 complex is important for positive regulation of Rac and cancer cell motility/invasiveness". Cancer Res. 64 (15): 5237–44. PMID 15289329. doi:10.1158/0008-5472.CAN-04-0327.
Jin J, Smith FD, Stark C, et al. (2004). "Proteomic, functional, and domain-based analysis of in vivo 14-3-3 binding proteins involved in cytoskeletal regulation and cellular organization". Curr. Biol. 14 (16): 1436–50. PMID 15324660. doi:10.1016/j.cub.2004.07.051.

PDB gallery

1wdz: Crystal structure of RCB domain of IRSp53

1y2o: Structure of N-terminal domain IRSp53/BAIAP2

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BAIAP2

Function

Interactions

References

External links

Further reading