DDEF2

ASAP2
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	1DCQ
Identifiers
Aliases	ASAP2, AMAP2, CENTB3, DDEF2, PAG3, PAP, Pap-alpha, SHAG1, ArfGAP with SH3 domain, ankyrin repeat and PH domain 2
External IDs	OMIM: 603817 MGI: 2685438 HomoloGene: 2888 GeneCards: ASAP2
Gene location (Human)
Chr.	Chromosome 2 (human)[1]
End	9,405,683 bp[1]
Gene location (Mouse)
Chr.	Chromosome 12 (mouse)[2]
End	21,320,172 bp[2]
RNA expression pattern
	Top expressed in
	secondary oocyte; ; sperm; ; synovial joint; ; renal medulla; ; amniotic fluid; ; Achilles tendon; ; urethra; ; kidney tubule; ; saphenous vein; ; sural nerve;
	Top expressed in
	ascending aorta; ; epithelium of stomach; ; hand; ; aortic valve; ; secondary oocyte; ; lateral geniculate nucleus; ; subiculum; ; urothelium; ; jejunum; ; medial geniculate nucleus;
	More reference expression data
	More reference expression data
Gene ontology
Molecular function	protein binding; metal ion binding; GTPase activator activity;
Cellular component	cytoplasm; Golgi cisterna membrane; plasma membrane; Golgi apparatus; membrane;
Biological process	positive regulation of GTPase activity;
	Sources:Amigo / QuickGO
Orthologs
	8853
	211914
	ENSG00000151693
	ENSMUSG00000052632
	O43150
	Q7SIG6
	NM_001135191; NM_003887
	NM_001004364; NM_001098168; NM_001135192
	NP_001128663; NP_003878
	NP_001004364; NP_001091637; NP_001128664
	Wikidata
View/Edit Human	View/Edit Mouse

Arf-GAP with SH3 domain, ANK repeat and PH domain-containing protein 2 is a protein that in humans is encoded by the ASAP2 gene.[5][6][7]

This gene encodes a multidomain protein containing an N-terminal alpha-helical region with a coiled-coil motif, followed by a pleckstrin homology (PH) domain, an Arf-GAP domain, an ankyrin homology region, a proline-rich region, and a C-terminal Src homology 3 (SH3) domain. The protein localizes in the Golgi apparatus and at the plasma membrane, where it colocalizes with protein tyrosine kinase 2-beta (PYK2). The encoded protein forms a stable complex with PYK2 in vivo. This interaction appears to be mediated by binding of its SH3 domain to the C-terminal proline-rich domain of PYK2. The encoded protein is tyrosine phosphorylated by activated PYK2. In vitro it shows strong GTPase-activating protein (GAP) activity towards the small GTPases ADP-ribosylation factor (ARF) 1 and ARF5 and weak activity towards ARF6. The encoded protein is believed to function as an ARF GAP that controls ARF-mediated vesicle budding when recruited to Golgi membranes. In addition, it functions as a substrate and downstream target for PYK2 and SRC, a pathway that may be involved in the regulation of vesicular transport.[7]

Interactions

DDEF2 has been shown to interact with PTK2B.[8]

References

GRCh38: Ensembl release 89: ENSG00000151693 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000052632 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
Andreev J, Simon JP, Sabatini DD, Kam J, Plowman G, Randazzo PA, Schlessinger J (Mar 1999). "Identification of a New Pyk2 Target Protein with Arf-GAP Activity". Mol Cell Biol. 19 (3): 2338–50. doi:10.1128/MCB.19.3.2338. PMC 84026. PMID 10022920.
Ishikawa K, Nagase T, Nakajima D, Seki N, Ohira M, Miyajima N, Tanaka A, Kotani H, Nomura N, Ohara O (Feb 1998). "Prediction of the coding sequences of unidentified human genes. VIII. 78 new cDNA clones from brain which code for large proteins in vitro". DNA Res. 4 (5): 307–13. doi:10.1093/dnares/4.5.307. PMID 9455477.
"Entrez Gene: DDEF2 development and differentiation enhancing factor 2".
Andreev, J; Simon J P; Sabatini D D; Kam J; Plowman G; Randazzo P A; Schlessinger J (Mar 1999). "Identification of a New Pyk2 Target Protein with Arf-GAP Activity". Mol. Cell. Biol. 19 (3): 2338–50. doi:10.1128/MCB.19.3.2338. ISSN 0270-7306. PMC 84026. PMID 10022920.

Brown MT, Andrade J, Radhakrishna H, et al. (1998). "ASAP1, a Phospholipid-Dependent Arf GTPase-Activating Protein That Associates with and Is Phosphorylated by Src". Mol. Cell. Biol. 18 (12): 7038–51. doi:10.1128/MCB.18.12.7038. PMC 109286. PMID 9819391.
Kondo A, Hashimoto S, Yano H, et al. (2000). "A New Paxillin-binding Protein, PAG3/Papα/KIAA0400, Bearing an ADP-Ribosylation Factor GTPase-activating Protein Activity, Is Involved in Paxillin Recruitment to Focal Adhesions and Cell Migration". Mol. Biol. Cell. 11 (4): 1315–27. doi:10.1091/mbc.11.4.1315. PMC 14849. PMID 10749932.
Uchida H, Kondo A, Yoshimura Y, et al. (2001). "Pag3/Papα/Kiaa0400, a Gtpase-Activating Protein for Adp-Ribosylation Factor (Arf), Regulates Arf6 in Fcγ Receptor–Mediated Phagocytosis of Macrophages". J. Exp. Med. 193 (8): 955–66. doi:10.1084/jem.193.8.955. PMC 2193405. PMID 11304556.
Kim H, Lee Y (2002). "Interaction of poly(A) polymerase with the 25-kDa subunit of cleavage factor I". Biochem. Biophys. Res. Commun. 289 (2): 513–8. doi:10.1006/bbrc.2001.5992. PMID 11716503.
Oshiro T, Koyama S, Sugiyama S, et al. (2002). "Interaction of POB1, a downstream molecule of small G protein Ral, with PAG2, a paxillin-binding protein, is involved in cell migration". J. Biol. Chem. 277 (41): 38618–26. doi:10.1074/jbc.M203453200. PMID 12149250.
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. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
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. doi:10.1038/ng1285. PMID 14702039.
Hashimoto S, Hashimoto A, Yamada A, et al. (2004). "A novel mode of action of an ArfGAP, AMAP2/PAG3/Papa lpha, in Arf6 function". J. Biol. Chem. 279 (36): 37677–84. doi:10.1074/jbc.M404196200. PMID 15231847.
Kojima C, Hashimoto A, Yabuta I, et al. (2005). "Regulation of Bin1 SH3 domain binding by phosphoinositides". EMBO J. 23 (22): 4413–22. doi:10.1038/sj.emboj.7600442. PMC 526460. PMID 15483625.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Onodera Y, Hashimoto S, Hashimoto A, et al. (2005). "Expression of AMAP1, an ArfGAP, provides novel targets to inhibit breast cancer invasive activities". EMBO J. 24 (5): 963–73. doi:10.1038/sj.emboj.7600588. PMC 554134. PMID 15719014.
Olsen JV, Blagoev B, Gnad F, et al. (2006). "Global, in vivo, and site-specific phosphorylation dynamics in signaling networks". Cell. 127 (3): 635–48. doi:10.1016/j.cell.2006.09.026. PMID 17081983. S2CID 7827573.
Ewing RM, Chu P, Elisma F, et al. (2007). "Large-scale mapping of human protein–protein interactions by mass spectrometry". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000151693 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000052632 - Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[pmid10022920-5] Andreev J, Simon JP, Sabatini DD, Kam J, Plowman G, Randazzo PA, Schlessinger J (Mar 1999). "Identification of a New Pyk2 Target Protein with Arf-GAP Activity". Mol Cell Biol. 19 (3): 2338–50. doi:10.1128/MCB.19.3.2338. PMC 84026. PMID 10022920.

[pmid9455477-6] Ishikawa K, Nagase T, Nakajima D, Seki N, Ohira M, Miyajima N, Tanaka A, Kotani H, Nomura N, Ohara O (Feb 1998). "Prediction of the coding sequences of unidentified human genes. VIII. 78 new cDNA clones from brain which code for large proteins in vitro". DNA Res. 4 (5): 307–13. doi:10.1093/dnares/4.5.307. PMID 9455477.

[entrez-7] "Entrez Gene: DDEF2 development and differentiation enhancing factor 2".

[autogenerated1-8] Andreev, J; Simon J P; Sabatini D D; Kam J; Plowman G; Randazzo P A; Schlessinger J (Mar 1999). "Identification of a New Pyk2 Target Protein with Arf-GAP Activity". Mol. Cell. Biol. 19 (3): 2338–50. doi:10.1128/MCB.19.3.2338. ISSN 0270-7306. PMC 84026. PMID 10022920.

DDEF2

Interactions

References

Further reading