4TSR

The Complex Structure of Mutant Phytase with IHS

• PDB DOI: https://doi.org/10.2210/pdb4TSR/pdb

• Classification: HYDROLASE/HYDROLASE Inhibitor
• Organism(s): Escherichia coli
• Expression System: Komagataella phaffii CBS 7435
• Mutation(s): Yes 


• Deposited: 2014-06-19 Released: 2015-05-06 
• Deposition Author(s): Wu, T.H., Chen, C.C., Huang, C.H., Guo, R.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.218 
• R-Value Work: 0.172 
• R-Value Observed: 0.174 

Starting Model: experimental

Literature

The Complex Structure of mutant Phytase with IHS

Wu, T.H., Chen, C.C., Huang, C.H., Guo, R.T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.64 kDa 
• Atom Count: 3,393 
• Modelled Residue Count: 399 
• Deposited Residue Count: 410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Periplasmic AppA protein	A	410	Escherichia coli	Mutation(s): 3  EC: 3.1.3.2 (PDB Primary Data), 3.1.3.26 (PDB Primary Data)
UniProt
Find proteins for P07102 (Escherichia coli (strain K12)) Explore P07102  Go to UniProtKB:  P07102

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IHS	F [auth A]	D-MYO-INOSITOL-HEXASULPHATE C6 H12 O24 S6 NBTMNFYXJYCQHQ-GPIVLXJGSA-N
NI	B [auth A], C [auth A], D [auth A], E [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.218 
• R-Value Work: 0.172 
• R-Value Observed: 0.174 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.796	α = 90
b = 47.5	β = 100.51
c = 65.632	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-05-06 
Deposition Author(s): Wu, T.H., Chen, C.C., Huang, C.H., Guo, R.T.

Revision History  

• Version 1.0: 2015-05-06
  Type: Initial release
  
• Version 1.1: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description, Source and taxonomy, Structure summary