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Identification
HMDB Protein ID HMDBP01603
Secondary Accession Numbers
  • 6926
Name Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 2
Synonyms
  1. AGAP-2
  2. Centaurin-gamma-1
  3. Cnt-g1
  4. GGAP2
  5. GTP-binding and GTPase-activating protein 2
  6. PIKE
  7. Phosphatidylinositol-3-kinase enhancer
Gene Name AGAP2
Protein Type Unknown
Biological Properties
General Function Involved in ARF GTPase activator activity
Specific Function GTPase-activating protein (GAP) for ARF1 and ARF5, which also shows strong GTPase activity. Isoform 1 participates in the prevention of neuronal apoptosis by enhancing PI3 kinase activity. It aids the coupling of metabotropic glutamate receptor 1 (GRM1) to cytoplasmic PI3 kinase by interacting with Homer scaffolding proteins, and also seems to mediate anti-apoptotic effects of NGF by activating nuclear PI3 kinase. Isoform 2 does not stimulate PI3 kinase but may protect cells from apoptosis by stimulating Akt. It also regulates the adapter protein 1 (AP-1)-dependent trafficking of proteins in the endosomal system. It seems to be oncogenic. It is overexpressed in cancer cells, prevents apoptosis and promotes cancer cell invasion
Pathways Not Available
Reactions Not Available
GO Classification
Component
cell part
intracellular
Function
small gtpase regulator activity
ion binding
cation binding
metal ion binding
purine nucleotide binding
binding
nucleotide binding
guanyl nucleotide binding
guanyl ribonucleotide binding
gtp binding
transition metal ion binding
zinc ion binding
enzyme regulator activity
arf gtpase activator activity
nucleoside-triphosphatase regulator activity
gtpase regulator activity
Process
biological regulation
regulation of biological process
regulation of metabolic process
regulation of cellular process
signal transduction
regulation of cellular metabolic process
regulation of nucleobase, nucleoside, nucleotide and nucleic acid metabolic process
regulation of nucleotide metabolic process
regulation of nucleotide catabolic process
regulation of purine nucleotide catabolic process
regulation of gtp catabolic process
regulation of gtpase activity
regulation of ras gtpase activity
regulation of arf gtpase activity
intracellular signal transduction
small gtpase mediated signal transduction
Cellular Location
  1. Isoform 2:Cytoplasm
Gene Properties
Chromosome Location Chromosome:1
Locus 12q14.1
SNPs AGAP2
Gene Sequence
>3579 bp
ATGAGCCGGGGCGCGGGCGCGCTTCAGCGCCGGACAACGACCTACCTCATCTCGCTGACC
CTGGTTAAGCTCGAGTCGGTGCCTCCGCCGCCGCCTTCTCCGTCTGCGGCCGCGGCCGGC
GCCGCCGGTGCCAGAGGCTCCGAGACTGGGGATCCTGGCAGCCCCCGAGGCGCGGAGGAG
CCGGGCAAGAAGCGGCACGAACGTCTCTTCCACCGGCAGGATGCGCTGTGGATCAGCACG
AGCAGCGCGGGCACCGGGGGCGCGGAGCCCCCAGCCCTGTCCCCGGCTCCGGCCAGTCCG
GCCCGCCCAGTCTCCCCCGCTCCCGGCCGCCGCCTCTCCCTCTGGGCCGTCCCTCCGGGA
CCCCCGCTCTCCGGGGGACTGAGCCCCGACCCCAAGCCTGGGGGCGCCCCCACCTCCTCC
CGGCGCCCCCTGCTCAGCAGCCCGAGCTGGGGCGGCCCGGAGCCCGAAGGCCGGGCGGGC
GGCGGCATCCCTGGCTCATCCTCTCCGCACCCTGGCACCGGCAGCCGGAGGCTCAAGGTG
GCGCCTCCTCCGCCGGCTCCCAAGCCTTGCAAGACCGTGACCACGAGTGGAGCCAAAGCC
GGCGGGGGCAAGGGCGCGGGTAGCCGCCTGTCATGGCCCGAAAGCGAGGGCAAGCCCAGG
GTCAAGGGGTCAAAGAGCAGCGCCGGGACTGGAGCTTCGGTCTCTGCCGCCGCCACCGCC
GCCGCCGCCGGGGGAGGGGGCTCTACAGCTTCGACCTCTGGTGGGGTCGGGGCTGGGGCT
GGAGCCCGAGGGAAGTTGTCCCCTCGGAAAGGCAAGAGTAAGACCTTGGACAACAGTGAC
TTGCATCCGGGACCGCCTGCCGGCTCTCCTCCTCCGCTAACCCTCCCACCAACTCCGAGT
CCAGCCACTGCTGTCACCGCTGCTTCCGCGCAGCCCCCCGGGCCTGCACCTCCAATCACT
CTGGAGCCTCCAGCTCCGGGGCTGAAACGGGGCCGGGAGGGGGGCCGAGCATCCACTCGT
GACCGCAAGATGCTCAAGTTTATCAGCGGCATCTTCACCAAGAGCACAGGAGGGCCTCCT
GGCTCCGGGCCCCTTCCCGGACCCCCCAGCCTGTCTTCTGGCAGCGGGTCCAGGGAGCTG
CTGGGCGCCGAGCTCCGCGCTTCCCCTAAGGCTGTGATCAATAGCCAGGAATGGACTTTG
AGCCGCTCCATTCCTGAACTGCGCCTGGGTGTGCTGGGCGATGCCAGGAGTGGGAAGTCA
TCGCTCATCCACCGATTCCTGACTGGCTCATACCAGGTGCTGGAGAAGACAGAGAGTGAG
CAGTACAAGAAAGAAATGTTGGTGGATGGACAGACACATCTGGTGCTAATCCGAGAGGAA
GCTGGGGCACCTGATGCCAAGTTCTCAGGCTGGGCAGATGCTGTGATCTTCGTCTTCAGC
CTGGAGGATGAGAACAGTTTCCAGGCTGTGAGCCGTCTCCATGGGCAGCTGAGTTCCCTT
CGCGGGGAGGGACGAGGAGGCCTGGCCTTGGCACTGGTGGGGACACAAGACAGGATCAGT
GCTTCCTCCCCTCGGGTGGTGGGAGATGCTCGTGCCAGAGCTCTGTGCGCGGACATGAAA
CGCTGCAGCTACTATGAGACTTGTGCAACCTATGGGCTCAATGTGGATCGGGTCTTCCAG
GAGGTGGCCCAGAAGGTGGTGACCTTGCGCAAGCAGCAACAGCTTCTGGCTGCCTGCAAG
TCCCTGCCCAGCTCCCCAAGCCACTCAGCTGCATCCACTCCGGTAGCTGGCCAGGCTAGT
AACGGGGGCCACACTAGCGACTACTCTTCTTCCCTCCCGTCCTCACCGAATGTTGGTCAC
CGGGAGCTCCGAGCCGAGGCAGCTGCAGTGGCTGGATTGAGCACCCCAGGGTCCCTGCAC
CGGGCAGCCAAGCGCAGGACCAGCCTTTTTGCGAATCGTCGGGGTAGTGACTCCGAGAAA
CGAAGCTTGGATAGTCGGGGAGAGACAACAGGGAGTGGGCGAGCCATCCCCATCAAACAG
AGCTTCCTACTAAAACGAAGTGGCAATTCCTTGAACAAAGAATGGAAGAAGAAATATGTA
ACCCTGTCCAGTAATGGCTTTCTACTCTACCACCCCAGTATTAACGATTACATCCACAGT
ACCCACGGCAAGGAGATGGACTTGCTGCGAACAACAGTCAAAGTCCCGGGCAAGCGGCCC
CCGAGGGCCATCTCTGCCTTTGGCCCCTCAGCCAGCATTAACGGGCTCGTCAAGGACATG
AGCACTGTCCAGATGGGTGAAGGCCTGGAAGCCACTACTCCCATGCCAAGCCCTAGCCCC
AGCCCCAGTTCCCTGCAGCCACCACCAGATCAGACATCCAAACACCTGCTGAAGCCAGAC
CGGAATTTGGCCCGAGCCCTCAGCACGGACTGTACCCCATCTGGAGACCTGAGCCCCCTG
AGTCGGGAACCCCCTCCTTCTCCCATGGTGAAGAAGCAGAGGAGGAAAAAATTGACAACA
CCATCCAAGACTGAAGGCTCGGCTGGGCAGGCTGAAGCCAAGCGCAAAATGTGGAAACTA
AAATCCTTTGGTAGTTTAAGAAATATTTATAAAGCAGAGGAAAACTTTGAGTTCCTGATC
GTGTCCAGCACGGGTCAGACGTGGCACTTTGAGGCAGCCAGTTTTGAGGAGCGGGATGCC
TGGGTCCAGGCCATCGAGAGTCAGATCCTAGCCAGTCTGCAATGCTGTGAGAGCAGCAAG
GTCAAGCTGCGCACAGACAGCCAAAGCGAGGCCGTGGCCATCCAGGCGATCCGGAACGCC
AAGGGGAATTCAATCTGCGTGGACTGCGGGGCCCCCAACCCCACGTGGGCCAGCTTGAAC
CTGGGCGCCCTCATCTGCATCGAGTGTTCTGGCATCCACCGCAACCTGGGCACACACCTG
TCCCGCGTTCGCTCGCTGGACTTGGACGACTGGCCACGGGAGCTGACCCTGGTGCTGACG
GCTATTGGCAACGACACGGCCAACCGCGTGTGGGAAAGCGACACGCGAGGCCGTGCCAAG
CCCTCGCGGGACTCTTCGCGGGAGGAGCGCGAGTCGTGGATTCGCGCCAAGTACGAGCAG
CTACTGTTCCTGGCGCCGCTGAGCACCTCGGAGGAGCCGCTGGGCCGCCAGCTGTGGGCC
GCCGTGCAGGCCCAGGACGTGGCTACCGTTCTCCTGCTTTTGGCCCATGCGCGACACGGG
CCGCTCGACACCAGCGTAGAGGACCCACAGCTGCGCTCCCCACTCCACCTGGCGGCCGAG
CTCGCCCACGTCGTCATCACGCAACTGCTGCTGTGGTACGGCGCGGACGTGGCGGCCCGT
GACGCCCAGGGCCGCACGGCGCTGTTCTACGCCCGCCAGGCTGGAAGCCAGCTGTGCGCC
GACATCCTTCTCCAGCACGGCTGCCCGGGTGAGGGCGGCAGCGCGGCCACCACGCCCAGC
GCGGCCACCACGCCCAGCATCACCGCCACGCCCAGCCCCCGCCGCCGGAGCAGCGCCGCT
AGCGTGGGCCGCGCCGACGCCCCGGTTGCGCTGGTATAG
Protein Properties
Number of Residues 1192
Molecular Weight 124672.3
Theoretical pI 10.54
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 2
MSRGAGALQRRTTTYLISLTLVKLESVPPPPPSPSAAAVGAPGARGSEPRDPGSPRGAEE
PGKKRHERLFHRQDALWISTSSAGAGGAEPPALSPAPASPARPVSPAPGRRLSLWAAPPG
PPLSGGLSPDSKPGGAPSSSRRPLLSSPSWGGPEPEGRTGGGVPGSSSPHPGTGSRRLKV
APPPPAPKPCKTVTTSGAKAGGGKGAGSRLSWPESEGKPRVKGSKSSAGTGASVSAAATA
AAAGGGGSTASTSGGVGAGAGARGKLSPRKGKSKTLDNSDLHPGPPAGSPPPLTLPPTPS
PATAVTAASAQPPGPAPPITLEPPAPGLKRGREGGRASTRDRKMLKFISGIFTKSTGGPP
GSGPLPGPPSLSSGSGSRELLGAELRASPKAVINSQEWTLSRSIPELRLGVLGDARSGKS
SLIHRFLTGSYQVLEKTESEQYKKEMLVDGQTHLVLIREEAGAPDAKFSGWADAVIFVFS
LEDENSFQAVSRLHGQLSSLRGEGRGGLALALVGTQDRISASSPRVVGDARARALCADMK
RCSYYETCATYGLNVDRVFQEVAQKVVTLRKQQQLLAACKSLPSSPSHSAASTPVAGQAS
NGGHTSDYSSSLPSSPNVGHRELRAEAAAVAGLSTPGSLHRAAKRRTSLFANRRGSDSEK
RSLDSRGETTGSGRAIPIKQSFLLKRSGNSLNKEWKKKYVTLSSNGFLLYHPSINDYIHS
THGKEMDLLRTTVKVPGKRPPRAISAFGPSASINGLVKDMSTVQMGEGLEATTPMPSPSP
SPSSLQPPPDQTSKHLLKPDRNLARALSTDCTPSGDLSPLSREPPPSPMVKKQRRKKLTT
PSKTEGSAGQAEAKRKMWKLKSFGSLRNIYKAEENFEFLIVSSTGQTWHFEAASFEERDA
WVQAIESQILASLQCCESSKVKLRTDSQSEAVAIQAIRNAKGNSICVDCGAPNPTWASLN
LGALICIECSGIHRNLGTHLSRVRSLDLDDWPRELTLVLTAIGNDTANRVWESDTRGRAK
PSRDSSREERESWIRAKYEQLLFLAPLSTSEEPLGRQLWAAVQAQDVATVLLLLAHARHG
PLDTSVEDPQLRSPLHLAAELAHVVITQLLLWYGADVAARDAQGRTALFYARQAGSQLCA
DILLQHGCPGEGGSAATTPSAATTPSITATPSPRRRSSAASVGRADAPVALV
GenBank ID Protein 170650694
UniProtKB/Swiss-Prot ID Q99490
UniProtKB/Swiss-Prot Entry Name AGAP2_HUMAN
PDB IDs
GenBank Gene ID NM_001122772.1
GeneCard ID AGAP2
GenAtlas ID AGAP2
HGNC ID HGNC:16921
References
General References
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  13. Hu Y, Liu Z, Ye K: Phosphoinositol lipids bind to phosphatidylinositol 3 (PI3)-kinase enhancer GTPase and mediate its stimulatory effect on PI3-kinase and Akt signalings. Proc Natl Acad Sci U S A. 2005 Nov 15;102(46):16853-8. Epub 2005 Nov 1. [PubMed:16263930 ]