Structure of PDB 4rkg Chain A Binding Site BS01

Receptor Information
>4rkg Chain A (length=37) Species: 7227 (Drosophila melanogaster) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PKCRCGITTCRNSRCPCYKSYNSCAGCHCVGCKNPHK
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4rkg Structural basis of X chromosome DNA recognition by the MSL2 CXC domain during Drosophila dosage compensation.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
C525 R526 C527 R543 P545
Binding residue
(residue number reindexed from 1)
C3 R4 C5 R14 P16
Binding affinityPDBbind-CN: Kd=25.7uM
Enzymatic activity
Enzyme Commision number 2.3.2.27: RING-type E3 ubiquitin transferase.
Gene Ontology
Molecular Function
GO:0061630 ubiquitin protein ligase activity
Cellular Component
GO:0072487 MSL complex

View graph for
Molecular Function

View graph for
Cellular Component
External links
PDB RCSB:4rkg, PDBe:4rkg, PDBj:4rkg
PDBsum4rkg
PubMed25452275
UniProtP50534|MSL2_DROME E3 ubiquitin-protein ligase msl-2 (Gene Name=msl-2)

[Back to BioLiP]