1JCN

BINARY COMPLEX OF HUMAN TYPE-I INOSINE MONOPHOSPHATE DEHYDROGENASE WITH 6-CL-IMP

• PDB DOI: https://doi.org/10.2210/pdb1JCN/pdb

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


• Deposited: 2001-06-11 Released: 2003-06-17 
• Deposition Author(s): Risal, D., Strickler, M.D., Goldstein, B.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.271 
• R-Value Work: 0.238 
• R-Value Observed: 0.238 

Starting Model: experimental

Literature

Crystal Structure of the Human Type I Inosine Monophosphate Dehydrogenase and Implications for Isoform Specificity

Risal, D., Strickler, M.D., Goldstein, B.M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 3  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 111.76 kDa 
• Atom Count: 6,216 
• Modelled Residue Count: 790 
• Deposited Residue Count: 1,028 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INOSINE MONOPHOSPHATE DEHYDROGENASE I	A, B	514	Homo sapiens	Mutation(s): 0  Gene Names: impdh1 EC: 1.1.1.205
UniProt & NIH Common Fund Data Resources
Find proteins for P20839 (Homo sapiens) Explore P20839  Go to UniProtKB:  P20839
PHAROS:  P20839 GTEx:  ENSG00000106348

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CPR	C [auth A], D [auth B]	6-CHLOROPURINE RIBOSIDE, 5'-MONOPHOSPHATE C10 H13 Cl N4 O7 P ALOBOMYIOYNCBS-KQYNXXCUSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.271 
• R-Value Work: 0.238 
• R-Value Observed: 0.238 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 148.108	α = 90
b = 148.108	β = 90
c = 122.016	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
CNS	refinement
DPS	data reduction
CCP4	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-06-17 
Deposition Author(s): Risal, D., Strickler, M.D., Goldstein, B.M.

Revision History  

• Version 1.0: 2003-06-17
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2024-04-03
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-12-25
  Changes: Advisory, Derived calculations, Structure summary