Structure of PDB 3x1x Chain A

Receptor sequence
>3x1xA (length=166) Species: 10116 (Rattus norvegicus) [Search protein sequence]
MREYKLVVLGSGGVGKSALTVQFVQGIFVEKYDPTIEDSYRKQVEVDAQQ
CMLEILDTAGTEQFTAMRDLYMKNGQGFALVYSITAQSTFNDLQDLREQI
LRVKDTDDVPMILVGNKCDLEDERVVGKEQGQNLARQWSNCAFLESSAKS
KINVNEIFYDLVRQIN
3D structure
PDB3x1x The structure and conformational switching of Rap1B
ChainA
Resolution1.0 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number 3.6.5.2: small monomeric GTPase.
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 GNP A G13 G15 K16 S17 A18 F28 E30 G60 N116 K117 D119 L120 S147 A148 K149 G13 G15 K16 S17 A18 F28 E30 G60 N116 K117 D119 L120 S147 A148 K149
Gene Ontology
Molecular Function
GO:0003924 GTPase activity
GO:0003925 G protein activity
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0019003 GDP binding
GO:0044877 protein-containing complex binding
Biological Process
GO:0007165 signal transduction
GO:0007264 small GTPase-mediated signal transduction
GO:0008283 cell population proliferation
GO:0009743 response to carbohydrate
GO:0017156 calcium-ion regulated exocytosis
GO:0030033 microvillus assembly
GO:0032486 Rap protein signal transduction
GO:0033625 positive regulation of integrin activation
GO:0045955 negative regulation of calcium ion-dependent exocytosis
GO:0051649 establishment of localization in cell
GO:0061028 establishment of endothelial barrier
GO:0070374 positive regulation of ERK1 and ERK2 cascade
GO:0071320 cellular response to cAMP
GO:0071407 cellular response to organic cyclic compound
GO:0071466 cellular response to xenobiotic stimulus
GO:0097211 cellular response to gonadotropin-releasing hormone
GO:0099010 modification of postsynaptic structure
GO:1901888 regulation of cell junction assembly
GO:2000114 regulation of establishment of cell polarity
GO:2000301 negative regulation of synaptic vesicle exocytosis
Cellular Component
GO:0005737 cytoplasm
GO:0005811 lipid droplet
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0005911 cell-cell junction
GO:0016020 membrane
GO:0045121 membrane raft
GO:0070161 anchoring junction
GO:0098978 glutamatergic synapse

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3x1x, PDBe:3x1x, PDBj:3x1x
PDBsum3x1x
PubMed25935485
UniProtQ62636|RAP1B_RAT Ras-related protein Rap-1b (Gene Name=Rap1b)

[Back to BioLiP]