Structure of PDB 6qx9 Chain R

Receptor sequence

>6qx9R (length=106) Species: 9606 (Homo sapiens)

EDPSLLEWDADDFRIFCGDLGNEVNDDILARAFSRFPSFLKAKVIRDKRT
GKTKGYGFVSFKDPSDYVRAMREMNGKYVGSRPIKLRKSMWKDRNLDVVR
KKQKEK

3D structure

• PDB: 6qx9 Mechanism of 5' splice site transfer for human spliceosome activation.
• Chain: R
• Resolution: 3.28 Å

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	R	D387 R417 S449 R450 P451 K453	D19 R49 S81 R82 P83 K85
BS02	rna	R	D370 W376 F384 G386 D387 I413 F426 K456 S457 M458	D2 W8 F16 G18 D19 I45 F58 K88 S89 M90

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0003723 RNA binding
• GO:0003729 mRNA binding
• GO:0005515 protein binding

Biological Process

• GO:0000398 mRNA splicing, via spliceosome
• GO:0048025 negative regulation of mRNA splicing, via spliceosome

Cellular Component

• GO:0005634 nucleus
• GO:0005654 nucleoplasm
• GO:0005737 cytoplasm
• GO:0046540 U4/U6 x U5 tri-snRNP complex

External links

• PDB: RCSB:6qx9, PDBe:6qx9, PDBj:6qx9
• PDBsum: 6qx9
• PubMed: 30975767
• UniProt: Q9BTD8|RBM42_HUMAN RNA-binding protein 42 (Gene Name=RBM42)