1Q2O

Bovine endothelial nitric oxide synthase N368D mutant heme domain dimer with L-N(omega)-nitroarginine-2,4-L-diaminobutyramide bound

Structural Biology Knowledgebase: 1Q2O SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.193

Literature

Macromolecules
Sequence Display for 1Q2O

Classification: OXIDOREDUCTASE

Total Structure Weight: 96704.85

Macromolecule Entities
Molecule Chains Length Organism Details
Nitric-oxide synthase, endothelial A, B 416 Bos taurus EC#: 1.14.13.39 IUBMB
Fragment: heme domain of enos enzyme
Mutation: C100R, N368D
Gene Name(s): NOS3 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 7 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A, B PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DP1
Query on DP1

A, B L-N(OMEGA)-NITROARGININE-2,4-L-DIAMINOBUTYRIC AMIDE
C10 H22 N8 O4
KUZKVXUOMSVPOA-BQBZGAKWSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
H4B
Query on H4B

A, B 5,6,7,8-TETRAHYDROBIOPTERIN
C9 H15 N5 O3
FNKQXYHWGSIFBK-RPDRRWSUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CAC
Query on CAC

A, B CACODYLATE ION
dimethylarsinate (Synonym)
C2 H6 As O2
OGGXGZAMXPVRFZ-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A, B ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
DP1 Ki: 9500 - 245000 nM (99) BindingDB

Ki: 9500 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.193
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 57.91 α = 90.00
b = 106.99 β = 90.00
c = 156.99 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-07-25
  • Released Date: 2004-01-13
  • Deposition author(s): Flinspach, M.L., Li, H., Jamal, J., Yang, W., Huang, H., Hah, J.M., Gomez-Vidal, J.A., Litzinger, E.A., Silverman, R.B., Poulos, T.L.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4