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GNAI2_CHICK
ID   GNAI2_CHICK             Reviewed;         355 AA.
AC   P50147;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 138.
DE   RecName: Full=Guanine nucleotide-binding protein G(i) subunit alpha-2;
DE   AltName: Full=Adenylate cyclase-inhibiting G alpha protein;
GN   Name=GNAI2;
OS   Gallus gallus (Chicken).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Phasianidae;
OC   Phasianinae; Gallus.
OX   NCBI_TaxID=9031;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=7821803; DOI=10.1016/0378-1119(94)90449-9;
RA   Kilbourne E.J., Galper J.B.;
RT   "Cloning of cDNAs coding for the G alpha i1 and G alpha i2 G-proteins from
RT   chick brain.";
RL   Gene 150:341-344(1994).
CC   -!- FUNCTION: Guanine nucleotide-binding proteins (G proteins) are involved
CC       as modulators or transducers in various transmembrane signaling
CC       systems. The G(i) proteins are involved in hormonal regulation of
CC       adenylate cyclase: they inhibit the cyclase in response to beta-
CC       adrenergic stimuli. May play a role in cell division (By similarity).
CC       {ECO:0000250}.
CC   -!- SUBUNIT: G proteins are composed of 3 units; alpha, beta and gamma. The
CC       alpha chain contains the guanine nucleotide binding site.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}. Cytoplasm, cytoskeleton,
CC       microtubule organizing center, centrosome {ECO:0000250}. Cell membrane
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the G-alpha family. G(i/o/t/z) subfamily.
CC       {ECO:0000305}.
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DR   EMBL; L24549; AAA65067.1; -; mRNA.
DR   PIR; I50238; I50238.
DR   RefSeq; NP_990733.1; NM_205402.1.
DR   AlphaFoldDB; P50147; -.
DR   SMR; P50147; -.
DR   BioGRID; 676620; 1.
DR   STRING; 9031.ENSGALP00000007379; -.
DR   PaxDb; P50147; -.
DR   Ensembl; ENSGALT00000080104; ENSGALP00000052144; ENSGALG00000035645.
DR   GeneID; 396367; -.
DR   KEGG; gga:396367; -.
DR   CTD; 2771; -.
DR   VEuPathDB; HostDB:geneid_396367; -.
DR   eggNOG; KOG0082; Eukaryota.
DR   GeneTree; ENSGT00940000155125; -.
DR   HOGENOM; CLU_014184_6_0_1; -.
DR   InParanoid; P50147; -.
DR   OMA; GMGCTVS; -.
DR   PhylomeDB; P50147; -.
DR   PRO; PR:P50147; -.
DR   Proteomes; UP000000539; Chromosome 12.
DR   Bgee; ENSGALG00000035645; Expressed in granulocyte and 14 other tissues.
DR   ExpressionAtlas; P50147; baseline and differential.
DR   GO; GO:0005813; C:centrosome; ISS:UniProtKB.
DR   GO; GO:0005737; C:cytoplasm; ISS:UniProtKB.
DR   GO; GO:0005834; C:heterotrimeric G-protein complex; IBA:GO_Central.
DR   GO; GO:0030496; C:midbody; ISS:UniProtKB.
DR   GO; GO:0005886; C:plasma membrane; ISS:UniProtKB.
DR   GO; GO:0001664; F:G protein-coupled receptor binding; IBA:GO_Central.
DR   GO; GO:0031683; F:G-protein beta/gamma-subunit complex binding; IBA:GO_Central.
DR   GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR   GO; GO:0003924; F:GTPase activity; IBA:GO_Central.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0007193; P:adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway; IBA:GO_Central.
DR   GO; GO:0007188; P:adenylate cyclase-modulating G protein-coupled receptor signaling pathway; IBA:GO_Central.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; ISS:UniProtKB.
DR   GO; GO:0001973; P:G protein-coupled adenosine receptor signaling pathway; IBA:GO_Central.
DR   GO; GO:0007214; P:gamma-aminobutyric acid signaling pathway; IBA:GO_Central.
DR   CDD; cd00066; G-alpha; 1.
DR   Gene3D; 1.10.400.10; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR001408; Gprotein_alpha_I.
DR   InterPro; IPR001019; Gprotein_alpha_su.
DR   InterPro; IPR011025; GproteinA_insert.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   PANTHER; PTHR10218; PTHR10218; 1.
DR   Pfam; PF00503; G-alpha; 1.
DR   PRINTS; PR00318; GPROTEINA.
DR   PRINTS; PR00441; GPROTEINAI.
DR   SMART; SM00275; G_alpha; 1.
DR   SUPFAM; SSF47895; SSF47895; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS51882; G_ALPHA; 1.
PE   2: Evidence at transcript level;
KW   Cell cycle; Cell division; Cell membrane; Cytoplasm; Cytoskeleton;
KW   GTP-binding; Lipoprotein; Magnesium; Membrane; Metal-binding; Myristate;
KW   Nucleotide-binding; Palmitate; Reference proteome; Transducer.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..355
FT                   /note="Guanine nucleotide-binding protein G(i) subunit
FT                   alpha-2"
FT                   /id="PRO_0000203683"
FT   DOMAIN          32..355
FT                   /note="G-alpha"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   REGION          35..48
FT                   /note="G1 motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   REGION          174..182
FT                   /note="G2 motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   REGION          197..206
FT                   /note="G3 motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   REGION          266..273
FT                   /note="G4 motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   REGION          325..330
FT                   /note="G5 motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01230"
FT   BINDING         40..47
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000250"
FT   BINDING         47
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250"
FT   BINDING         176..182
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000250"
FT   BINDING         182
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250"
FT   BINDING         201..205
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000250"
FT   BINDING         270..273
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000250"
FT   BINDING         327
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000250"
FT   LIPID           2
FT                   /note="N-myristoyl glycine"
FT                   /evidence="ECO:0000255"
FT   LIPID           3
FT                   /note="S-palmitoyl cysteine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   355 AA;  40577 MW;  096F8A66230A7968 CRC64;
     MGCTVSAEDK AAAERSRMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEDG
     YSEEECRQYK AVVYSNTIQS IMAIIKAMGN LQIDFGDSSR ADDARQLFAL ACTAEEQGIM
     PEDLANVIRR LWADHGVQAC FNRSREYQLN DSAAYYLNDL ERIARADYIP TQQDVLRTRV
     KTTGIVETHF TFKDLHFKMF DVGGQRSERK KWIHCFEGVT AIIFCVALSA YDLVLAEDEE
     MNRMHESMKL FDSICNNKWF TDTSIILFLN KKDLFEEKIV HSPLTICFPE YTGANKYDEA
     AGYIQSKFED LNKRKDTKEI YTHFTCATDT KNVQFVFDAV TDVIIKNNLK DCGLF
 
 
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