4QEB

Dcps in complex with covalent inhibitor targeting Tyrosine

• PDB DOI: https://doi.org/10.2210/pdb4QEB/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-05-15 Released: 2015-05-20 
• Deposition Author(s): Liu, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.276 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 

Starting Model: experimental

Literature

Human Dcps in complex with covalent inhibitor

Liu, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 155.08 kDa 
• Atom Count: 9,604 
• Modelled Residue Count: 1,156 
• Deposited Residue Count: 1,348 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
m7GpppX diphosphatase	A, B, C, D	337	Homo sapiens	Mutation(s): 0  Gene Names: DCPS, DCS1, HINT5, HSPC015 EC: 3.6.1.59
UniProt & NIH Common Fund Data Resources
Find proteins for Q96C86 (Homo sapiens) Explore Q96C86  Go to UniProtKB:  Q96C86
PHAROS:  Q96C86 GTEx:  ENSG00000110063

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
31G	G [auth B]	3-{[(2,4-diaminoquinazolin-5-yl)oxy]methyl}benzenesulfonic acid C15 H14 N4 O4 S FEIMDUGCGJFTCE-UHFFFAOYSA-N
PO4	E [auth A], F [auth A], H [auth B], I [auth C]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.276 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 101.25	α = 90
b = 105.23	β = 90
c = 139.96	γ = 90

Software Package:

Software Name	Purpose
Jdirect	data collection
MOLREP	phasing
BUSTER	refinement
autoPROC	data scaling
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-05-20 
Deposition Author(s): Liu, S.

Revision History  

• Version 1.0: 2015-05-20
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-30
  Changes: Structure summary