Structure of PDB 8qxd Chain 23 Binding Site BS01

Receptor Information
>8qxd Chain 23 (length=83) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SIGVPIKVLHEAEGHIVTCETNTGEVYRGKLIEAEDNMNCQMSNITVTYR
DGRVAQLEQVYIRGSKIRFLILPDMLKNAPMLK
Ligand information
>8qxd Chain 2 (length=97) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
cgcuucucggcaaguguaguaucuguucuuaucaguuuaauaucugauag
auuuuuggagcaucgaccugguauugcaguaccuccaggaacggugc
...............................<<<<.<....>.>>>>...
.........<<<<<<.<<<<<.............>>>>>..>>>>>>
Receptor-Ligand Complex Structure
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PDB8qxd Structural insights into the cross-exon to cross-intron spliceosome switch
Resolution9.6 Å
Binding residue
(original residue number in PDB)		N38 R51 D52 G53 R54
Binding residue
(residue number reindexed from 1)		N37 R50 D51 G52 R53
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0005515 protein binding
GO:0019899 enzyme binding
GO:0070034 telomerase RNA binding
GO:0071208 histone pre-mRNA DCP binding
GO:0071209 U7 snRNA binding
GO:1990446 U1 snRNP binding
Biological Process
GO:0000387 spliceosomal snRNP assembly
GO:0000398 mRNA splicing, via spliceosome
GO:0006397 mRNA processing
GO:0006479 protein methylation
GO:0008380 RNA splicing
GO:0036261 7-methylguanosine cap hypermethylation
GO:1903241 U2-type prespliceosome assembly
Cellular Component
GO:0000243 commitment complex
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005681 spliceosomal complex
GO:0005682 U5 snRNP
GO:0005683 U7 snRNP
GO:0005684 U2-type spliceosomal complex
GO:0005685 U1 snRNP
GO:0005686 U2 snRNP
GO:0005687 U4 snRNP
GO:0005689 U12-type spliceosomal complex
GO:0005697 telomerase holoenzyme complex
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0016604 nuclear body
GO:0030532 small nuclear ribonucleoprotein complex
GO:0034709 methylosome
GO:0034715 pICln-Sm protein complex
GO:0034719 SMN-Sm protein complex
GO:0046540 U4/U6 x U5 tri-snRNP complex
GO:0071005 U2-type precatalytic spliceosome
GO:0071007 U2-type catalytic step 2 spliceosome
GO:0071011 precatalytic spliceosome
GO:0071013 catalytic step 2 spliceosome
GO:0097526 spliceosomal tri-snRNP complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8qxd, PDBe:8qxd, PDBj:8qxd
PDBsum8qxd
PubMed38778104
UniProtP62318|SMD3_HUMAN Small nuclear ribonucleoprotein Sm D3 (Gene Name=SNRPD3)

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