Structure of PDB 3rqw Chain B

Receptor sequence
>3rqwB (length=307) Species: 198628 (Dickeya dadantii 3937) [Search protein sequence]
PVDVSVSIFINKIYGVNTLEQTYKVDGYIVAQWTGKPRKTPGDKPLIVEN
TQIERWINNGLWVPALEFINVVGSPDTGNKRLMLFPDGRVIYNARFLGSF
SNDMDFRLFPFDRQQFVLELEPFSYNNQQLRFSDIQVYTENIDNEEIDEW
WIRGKASTHISDIRYDHLSSVQPNQNEFSRITVRIDAVRNPSYYLWSFIL
PLGLIIAASWSVFWLESFSERLQTSFTLMLTVVAYAFYTSNILPRLPYTT
VIDQMIIAGYGSIFAAILLIIFAHHRQANGVEDDLLIQRCRLAFPLGFLA
IGCVLVI
3D structure
PDB3rqw Structure of the pentameric ligand-gated ion channel ELIC cocrystallized with its competitive antagonist acetylcholine.
ChainB
Resolution2.913 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 ?
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 ACH B E131 F133 Y175 L178 F188 E121 F123 Y165 L168 F178 PDBbind-CN: -logKd/Ki=2.70,Kd=2mM
BS02 ACH B F19 Y38 N103 F9 Y28 N93 PDBbind-CN: -logKd/Ki=2.70,Kd=2mM
Gene Ontology
Molecular Function
GO:0004888 transmembrane signaling receptor activity
GO:0005216 monoatomic ion channel activity
GO:0005230 extracellular ligand-gated monoatomic ion channel activity
GO:0042802 identical protein binding
Biological Process
GO:0006811 monoatomic ion transport
GO:0007165 signal transduction
GO:0034220 monoatomic ion transmembrane transport
GO:0042391 regulation of membrane potential
Cellular Component
GO:0016020 membrane
GO:0043005 neuron projection

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3rqw, PDBe:3rqw, PDBj:3rqw
PDBsum3rqw
PubMed22395605
UniProtE0SJQ4

[Back to BioLiP]