Structure of PDB 4peh Chain A Binding Site BS02

Receptor Information

>4peh Chain A (length=349) Species: 5759 (Entamoeba histolytica)

QIQHIAIVGSVHGKYREMYRQLSEYEKSTGKEISFVICTGDMQTLRYEAD
LVYLKVPPKYKQMGDFHLYYEGKEKAPYLTLFIGGNHESSNVLLHLYNGG
FVCFNMYYLGVCSCININGLRIVGVSGIYKSFDEKKPYTYPPSPNDVVSL
FHTRNYVIQMLSNLSQSSQIDISLSHDWPQGIVMKGNYKQLYRFQPGFKK
DGASLGSPINKVILNTLKPKYWISGHMHCEYHAEEGPTHFIALGKIGYKN
AISYLDLPLKQKTDLEYDKDWVCNLIMTWPAFSNKAQFPDLSYSISELLS
KRTKELDKKIIELWEKYIGLKIIYDSDTFDIQFTSRRFYIEKIYNELNI

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 4peh Chain A Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4peh Structural basis of lariat RNA recognition by the intron debranching enzyme Dbr1.
• Resolution: 2.1 Å
• Binding residue (original residue number in PDB): D45 N90 H180 H230
• Binding residue (residue number reindexed from 1): D41 N86 H176 H226
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 3.1.4.-

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0005506 iron ion binding
• GO:0008270 zinc ion binding
• GO:0008419 RNA lariat debranching enzyme activity
• GO:0016787 hydrolase activity
• GO:0030145 manganese ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0000375 RNA splicing, via transesterification reactions
• GO:0000398 mRNA splicing, via spliceosome
• GO:0006397 mRNA processing

Cellular Component

• GO:0005634 nucleus
• GO:0005737 cytoplasm
• GO:0048471 perinuclear region of cytoplasm

External links

• PDB: RCSB:4peh, PDBe:4peh, PDBj:4peh
• PDBsum: 4peh
• PubMed: 25123664
• UniProt: C4M1P9|DBR1_ENTH1 Lariat debranching enzyme (Gene Name=DBR1)