1Q4G

2.0 Angstrom Crystal Structure of Ovine Prostaglandin H2 Synthase-1, in complex with alpha-methyl-4-biphenylacetic acid

Structural Biology Knowledgebase: 1Q4G SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.231
  • R-Value Work: 0.217

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1Q4G

Classification: OXIDOREDUCTASE

Total Structure Weight: 136102.44

Macromolecule Entities
Molecule Chains Length Organism Details
Prostaglandin G/H synthase 1 A, B 553 Ovis aries EC#: 1.14.99.1 IUBMB
Gene Name(s): PTGS1 Gene View COX1

Membrane Protein

Source: mpstruc | Group: MONOTOPIC MEMBRANE PROTEINS

Subgroup Name: Cyclooxygenases

Protein Name: Ram Prostaglandin H2 synthase-1 (cyclooxygenase-1 or COX-1)


Small Molecules
Ligands 8 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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BOG
Query on BOG

A, B B-OCTYLGLUCOSIDE
C14 H28 O6
HEGSGKPQLMEBJL-RKQHYHRCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BFL
Query on BFL

A, B 2-(1,1'-BIPHENYL-4-YL)PROPANOIC ACID
C15 H14 O2
JALUUBQFLPUJMY-NSHDSACASA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NDG
Query on NDG

A, B 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
C8 H15 N O6
OVRNDRQMDRJTHS-PVFLNQBWSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A, B N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BMA
Query on BMA

A, B BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

A ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BFL IC50: 10 - 110 nM (99) BindingDB
Ki: 130 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.231
  • R-Value Work: 0.217
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 98.15 α = 90.00
b = 203.86 β = 90.00
c = 223.60 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-08-03
  • Released Date: 2004-01-06
  • Deposition author(s): Gupta, K., Selinksy, B.S., Kaub, C.J., Katz, A.K., Loll, P.J.

Revision History

  • 2014-11-12
    Type: Linkage | Details: --
  • 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