Structure of PDB 8r09 Chain 23

Receptor sequence

>8r0923 (length=83) Species: 9606 (Homo sapiens) [Search protein sequence]

SIGVPIKVLHEAEGHIVTCETNTGEVYRGKLIEAEDNMNCQMSNITVTYR
DGRVAQLEQVYIRGSKIRFLILPDMLKNAPMLK

3D structure

PDB

8r09 Structural insights into the cross-exon to cross-intron spliceosome switch

Chain

Resolution

4.3 Å

3D
structure

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	rna	23	N38 T47 D52 G53 R54	N37 T46 D51 G52 R53

Gene Ontology

	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

External links

PDB	RCSB:8r09, PDBe:8r09, PDBj:8r09
PDBsum	8r09
PubMed	38778104
UniProt	P62318\|SMD3_HUMAN Small nuclear ribonucleoprotein Sm D3 (Gene Name=SNRPD3)