2SGD

ASP 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: 1.80 Å
  • R-Value Work: 0.196 

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 pHs

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

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Streptogrisin BE185Streptomyces griseusMutation(s): 0 
Gene Names: sprB
EC: 3.4.21.81
Find proteins for P00777 (Streptomyces griseus)
Explore P00777 
Go to UniProtKB:  P00777
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
OvomucoidI51Meleagris gallopavoMutation(s): 1 
Find proteins for P68390 (Meleagris gallopavo)
Explore P68390 
Go to UniProtKB:  P68390
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PO4
Query on PO4

Download CCD File 
E
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
K
Query on K

Download CCD File 
E
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Work: 0.196 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 45.59α = 90
b = 54.61β = 119.24
c = 45.62γ = 90
Software Package:
Software NamePurpose
TNTrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

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