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Identification
HMDB Protein ID HMDBP11464
Secondary Accession Numbers
  • 17812
Name Guanine nucleotide-binding protein G(i) subunit alpha-2
Synonyms
  1. Adenylate cyclase-inhibiting G alpha protein
Gene Name GNAI2
Protein Type Unknown
Biological Properties
General Function Involved in signal transducer activity
Specific Function Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. The G(i) proteins are involved in hormonal regulation of adenylate cyclase:they inhibit the cyclase in response to beta-adrenergic stimuli
Pathways Not Available
Reactions Not Available
GO Classification
Function
purine nucleotide binding
binding
nucleotide binding
guanyl nucleotide binding
guanyl ribonucleotide binding
gtp binding
molecular transducer activity
signal transducer activity
Process
biological regulation
regulation of biological process
regulation of cellular process
signal transduction
signaling
signaling pathway
cell surface receptor linked signaling pathway
g-protein coupled receptor protein signaling pathway
Cellular Location Not Available
Gene Properties
Chromosome Location Chromosome:3
Locus 3p21
SNPs GNAI2
Gene Sequence
>1068 bp
ATGGGCTGCACCGTGAGCGCCGAGGACAAGGCGGCGGCCGAGCGCTCTAAGATGATCGAC
AAGAACCTGCGGGAGGACGGAGAGAAGGCGGCGCGGGAGGTGAAGTTGCTGCTGTTGGGT
GCTGGGGAGTCAGGGAAGAGCACCATCGTCAAGCAGATGAAGATCATCCACGAGGATGGC
TACTCCGAGGAGGAATGCCGGCAGTACCGGGCGGTTGTCTACAGCAACACCATCCAGTCC
ATCATGGCCATTGTCAAAGCCATGGGAAACCTGCAGATCGACTTTGCCGACCCCTCCAGA
GCGGACGACGCCAGGCAGCTATTTGCACTGTCCTGCACCGCCGAGGAGCAAGGCGTGCTC
CCTGATGACCTGTCCGGCGTCATCCGGAGGCTCTGGGCTGACCATGGTGTGCAGGCCTGC
TTTGGCCGCTCAAGGGAATACCAGCTCAACGACTCAGCTGCCTACTACCTGAACGACCTG
GAGCGTATTGCACAGAGTGACTACATCCCCACACAGCAAGATGTGCTACGGACCCGCGTA
AAGACCACGGGGATCGTGGAGACACACTTCACCTTCAAGGACCTACACTTCAAGATGTTT
GATGTGGGTGGTCAGCGGTCTGAGCGGAAGAAGTGGATCCACTGCTTTGAGGGCGTCACA
GCCATCATCTTCTGCGTAGCCTTGAGCGCCTATGACTTGGTGCTAGCTGAGGACGAGGAG
ATGAACCGCATGCATGAGAGCATGAAGCTATTCGATAGCATCTGCAACAACAAGTGGTTC
ACAGACACGTCCATCATCCTCTTCCTCAACAAGAAGGACCTGTTTGAGGAGAAGATCACA
CACAGTCCCCTGACCATCTGCTTCCCTGAGTACACAGGGGCCAACAAATATGATGAGGCA
GCCAGCTACATCCAGAGTAAGTTTGAGGACCTGAATAAGCGCAAAGACACCAAGGAGATC
TACACGCACTTCACGTGCGCCACCGACACCAAGAACGTGCAGTTCGTGTTTGACGCCGTC
ACCGATGTCATCATCAAGAACAACCTGAAGGACTGCGGCCTCTTCTGA
Protein Properties
Number of Residues 355
Molecular Weight 40450.5
Theoretical pI 5.2
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Guanine nucleotide-binding protein G(i) subunit alpha-2
MGCTVSAEDKAAAERSKMIDKNLREDGEKAAREVKLLLLGAGESGKSTIVKQMKIIHEDG
YSEEECRQYRAVVYSNTIQSIMAIVKAMGNLQIDFADPSRADDARQLFALSCTAEEQGVL
PDDLSGVIRRLWADHGVQACFGRSREYQLNDSAAYYLNDLERIAQSDYIPTQQDVLRTRV
KTTGIVETHFTFKDLHFKMFDVGGQRSERKKWIHCFEGVTAIIFCVALSAYDLVLAEDEE
MNRMHESMKLFDSICNNKWFTDTSIILFLNKKDLFEEKITHSPLTICFPEYTGANKYDEA
ASYIQSKFEDLNKRKDTKEIYTHFTCATDTKNVQFVFDAVTDVIIKNNLKDCGLF
GenBank ID Protein 31744
UniProtKB/Swiss-Prot ID P04899
UniProtKB/Swiss-Prot Entry Name GNAI2_HUMAN
PDB IDs Not Available
GenBank Gene ID X04828
GeneCard ID GNAI2
GenAtlas ID GNAI2
HGNC ID HGNC:4385
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Rikova K, Guo A, Zeng Q, Possemato A, Yu J, Haack H, Nardone J, Lee K, Reeves C, Li Y, Hu Y, Tan Z, Stokes M, Sullivan L, Mitchell J, Wetzel R, Macneill J, Ren JM, Yuan J, Bakalarski CE, Villen J, Kornhauser JM, Smith B, Li D, Zhou X, Gygi SP, Gu TL, Polakiewicz RD, Rush J, Comb MJ: Global survey of phosphotyrosine signaling identifies oncogenic kinases in lung cancer. Cell. 2007 Dec 14;131(6):1190-203. [PubMed:18083107 ]
  3. Itoh H, Toyama R, Kozasa T, Tsukamoto T, Matsuoka M, Kaziro Y: Presence of three distinct molecular species of Gi protein alpha subunit. Structure of rat cDNAs and human genomic DNAs. J Biol Chem. 1988 May 15;263(14):6656-64. [PubMed:2834384 ]
  4. Beals CR, Wilson CB, Perlmutter RM: A small multigene family encodes Gi signal-transduction proteins. Proc Natl Acad Sci U S A. 1987 Nov;84(22):7886-90. [PubMed:3120178 ]
  5. Didsbury JR, Ho YS, Snyderman R: Human Gi protein alpha-subunit: deduction of amino acid structure from a cloned cDNA. FEBS Lett. 1987 Jan 26;211(2):160-4. [PubMed:3100330 ]
  6. Weinstein LS, Spiegel AM, Carter AD: Cloning and characterization of the human gene for the alpha-subunit of Gi2, a GTP-binding signal transduction protein. FEBS Lett. 1988 May 23;232(2):333-40. [PubMed:2837412 ]
  7. Komatsuzaki K, Dalvin S, Kinane TB: Modulation of G(ialpha(2)) signaling by the axonal guidance molecule UNC5H2. Biochem Biophys Res Commun. 2002 Oct 4;297(4):898-905. [PubMed:12359238 ]