Structure of PDB 7oqe Chain b

Receptor sequence

>7oqeb (length=121) Species: 4932 (Saccharomyces cerevisiae)

SKIQVAHSSRLANLIDYKLRVLTQDGRVYIGQLMAFDKHMNLVLNECIEE
RVPKTQLDKLRPLNIKVEKRVLGLTILRGEQILSTVVEDKPLLSKKERLV
RDKKEKKQAQKQTKLRKEKEK

3D structure

• PDB: 7oqe Structural insights into how Prp5 proofreads the pre-mRNA branch site.
• Chain: b
• Resolution: 5.9 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	b	Q5 H8 H40 G89 E90 S104 K105	Q4 H7 H39 G79 E80 S94 K95

Gene Ontology

Molecular Function

• GO:0003674 molecular_function
• GO:0003723 RNA binding
• GO:0005515 protein binding
• GO:0070990 snRNP binding

Biological Process

• GO:0000245 spliceosomal complex assembly
• GO:0000387 spliceosomal snRNP assembly
• GO:0000395 mRNA 5'-splice site recognition
• GO:0000398 mRNA splicing, via spliceosome
• GO:0006397 mRNA processing
• 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:0005681 spliceosomal complex
• GO:0005682 U5 snRNP
• GO:0005685 U1 snRNP
• GO:0005686 U2 snRNP
• GO:0005687 U4 snRNP
• GO:0005737 cytoplasm
• GO:0032991 protein-containing complex
• GO:0046540 U4/U6 x U5 tri-snRNP complex
• GO:0071001 U4/U6 snRNP
• GO:0071004 U2-type prespliceosome
• GO:0071013 catalytic step 2 spliceosome
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7oqe, PDBe:7oqe, PDBj:7oqe
• PDBsum: 7oqe
• PubMed: 34349264
• UniProt: P40018|RSMB_YEAST Small nuclear ribonucleoprotein-associated protein B (Gene Name=SMB1)