3SGQ

GLN 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH STREPTOMYCES GRISEUS PROTEINASE B AT PH 10.7


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Work: 0.175 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Recruitment of a Buried K+ Ion to Stabilize the Negative Charge of Ionized P1 in the Hydrophobic Pocket: Crystal Structures of Glu18, Gln18, Asp18 and Asn18 Variants of Turkey Ovomucoid Inhibitor Third Domain Complexed with Streptomyces griseus Protease B at Various pH's

Huang, K.Lu, W.Anderson, S.Laskowski Jr., M.James, M.N.G.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Streptogrisin B
E
185Streptomyces griseusMutation(s): 0 
Gene Names: sprB
EC: 3.4.21.81
Find proteins for P00777 (Streptomyces griseus)
Go to UniProtKB:  P00777
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Ovomucoid
I
51Meleagris gallopavoMutation(s): 1 
Find proteins for P68390 (Meleagris gallopavo)
Go to UniProtKB:  P68390
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PO4
Query on PO4

Download SDF File 
Download CCD File 
E
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Work: 0.175 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 45.350α = 90.00
b = 54.650β = 119.20
c = 45.620γ = 90.00
Software Package:
Software NamePurpose
TNTrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-08-26
    Type: Initial release
  • Version 1.1: 2007-10-16
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2017-02-01
    Type: Database references
  • Version 1.4: 2017-11-29
    Type: Derived calculations