4M6L

Crystal structure of human dihydrofolate reductase (DHFR) bound to NADP+ and 5,10-dideazatetrahydrofolic acid

Structural Biology Knowledgebase: 4M6L SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.192

Literature

Macromolecules
Sequence Display for 4M6L

Classification: OXIDOREDUCTASE

Total Structure Weight: 22918.06

Macromolecule Entities
Molecule Chains Length Organism Details
Dihydrofolate reductase A 187 Homo sapiens EC#: 1.5.1.3 IUBMB
Gene Name(s): DHFR Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NAP
Query on NAP

A NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE (Synonym)
C21 H28 N7 O17 P3
XJLXINKUBYWONI-NNYOXOHSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
21V
Query on 21V

A N-(4-{2-[(6S)-2-amino-4-oxo-1,4,5,6,7,8-hexahydropyrido[2,3- d]pyrimidin-6-yl]ethyl}benzoyl)-L-glutamic acid
5,10-dideazatetrahydrofolic acid (Synonym)
C21 H25 N5 O6
ZUQBAQVRAURMCL-WFASDCNBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DTT
Query on DTT

A 2,3-DIHYDROXY-1,4-DITHIOBUTANE
1,4-DITHIOTHREITOL (Synonym)
C4 H10 O2 S2
VHJLVAABSRFDPM-IMJSIDKUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.192
  • Space Group: P 63 2 2

Unit Cell:

Length (Å) Angle (°)
a = 67.78 α = 90.00
b = 67.78 β = 90.00
c = 160.41 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2013-08-09
  • Released Date: 2013-09-25
  • Deposition author(s): Bhabha, G., Ekiert, D.C., Wright, P.E., Wilson, I.A.

Revision History

  • 2013-11-20
    Type: Citation | Details: Citation update
  • 2013-10-16
    Type: Citation | Details: Citation update