Structure of PDB 2br8 Chain A Binding Site BS01

Receptor Information

>2br8 Chain A (length=205) Species: 6500 (Aplysia californica)

QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDL
VYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVL
SPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGF
EIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVV
KFRER

Ligand information

>2br8 Chain F (length=16) Species: 37335 (Conus pennaceus)

GCCSLPPCALNNPKYC

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2br8 Crystal Structure of Nicotinic Acetylcholine Receptor Homolog Achbp in Complex with an Alpha-Conotoxin Pnia Variant
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): W145 V146 Y186 C188 C189 Y193
• Binding residue (residue number reindexed from 1): W145 V146 Y186 C188 C189 Y193

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:0005231 excitatory extracellular ligand-gated monoatomic ion channel activity
• GO:0005515 protein binding
• GO:0042802 identical protein binding
• GO:0046872 metal ion binding
• GO:1904315 transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential

Biological Process

• GO:0006811 monoatomic ion transport
• GO:0007165 signal transduction
• GO:0007268 chemical synaptic transmission
• GO:0034220 monoatomic ion transmembrane transport
• GO:0042391 regulation of membrane potential
• GO:0050877 nervous system process
• GO:0060078 regulation of postsynaptic membrane potential
• GO:0060079 excitatory postsynaptic potential

Cellular Component

• GO:0016020 membrane
• GO:0043005 neuron projection
• GO:0045202 synapse
• GO:0098794 postsynapse

External links

• PDB: RCSB:2br8, PDBe:2br8, PDBj:2br8
• PDBsum: 2br8
• PubMed: 15951818
• UniProt: Q8WSF8