Structure of PDB 3ffa Chain A

Receptor sequence
>3ffaA (length=316) Species: 10116 (Rattus norvegicus) [Search protein sequence]
EVKLLLLGAGESGKSTIVKQMKIIHEAGYSEEECKQYKAVVYSNTIQSII
AIIRAMGRLKIDFGDAARADDARQLFVLAGAAEEGFMTAELAGVIKRLWK
DSGVQACFNRSREYQLNDSAAYYLNDLDRIAQPNYIPTQQDVLRTRVKTT
GIVETHFTFKDLHFKMFDVGGQRSERKKWIHCFEGVTAIIFCVALSDYDL
VLAEDEEMNRMHESMKLFDSICNNKWFTDTSIILFLNKKDLFEEKIKKSP
LTICYPEYAGSNTYEEAAAYIQCQFEDLNKRKDTKEIYTHFTCATDAKNV
QFVFDAVTDVIIKNNL
3D structure
PDB3ffa Structural evidence for a sequential release mechanism for activation of heterotrimeric g proteins.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E43 T48 R178 D200 Q204
Catalytic site (residue number reindexed from 1) E11 T16 R146 D168 Q172
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GSP A G42 E43 S44 G45 K46 S47 T48 L175 R176 T177 R178 T181 G202 G203 N269 K270 D272 L273 C325 A326 G10 E11 S12 G13 K14 S15 T16 L143 R144 T145 R146 T149 G170 G171 N237 K238 D240 L241 C293 A294 MOAD: Kd=0.69uM
BS02 MG A T181 D200 T149 D168
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0001664 G protein-coupled receptor binding
GO:0003924 GTPase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0019001 guanyl nucleotide binding
GO:0019003 GDP binding
GO:0031683 G-protein beta/gamma-subunit complex binding
GO:0031749 D2 dopamine receptor binding
GO:0031821 G protein-coupled serotonin receptor binding
GO:0032794 GTPase activating protein binding
GO:0046872 metal ion binding
Biological Process
GO:0007165 signal transduction
GO:0007186 G protein-coupled receptor signaling pathway
GO:0007188 adenylate cyclase-modulating G protein-coupled receptor signaling pathway
GO:0043949 regulation of cAMP-mediated signaling
GO:0050805 negative regulation of synaptic transmission
GO:0051301 cell division
GO:0060236 regulation of mitotic spindle organization
GO:0099645 neurotransmitter receptor localization to postsynaptic specialization membrane
GO:1904322 cellular response to forskolin
GO:1904778 positive regulation of protein localization to cell cortex
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005813 centrosome
GO:0005834 heterotrimeric G-protein complex
GO:0005856 cytoskeleton
GO:0005886 plasma membrane
GO:0005938 cell cortex
GO:0030496 midbody
GO:0032991 protein-containing complex
GO:0098794 postsynapse
GO:0098978 glutamatergic synapse

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ffa, PDBe:3ffa, PDBj:3ffa
PDBsum3ffa
PubMed19703466
UniProtP10824|GNAI1_RAT Guanine nucleotide-binding protein G(i) subunit alpha-1 (Gene Name=Gnai1)

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