2VFQ | pdb_00002vfq

Low Temperature Structure of P22 Tailspike Protein Fragment (109-666), Mutant V450A

• PDB DOI: https://doi.org/10.2210/pdb2VFQ/pdb

• Classification: HYDROLASE
• Organism(s): Lederbergvirus P22
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-11-05 Released: 2008-12-16 
• Deposition Author(s): Becker, M., Mueller, J.J., Heinemann, U., Seckler, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.145 (Depositor), 0.154 (DCC) 
• R-Value Work: 
  0.114 (Depositor), 0.128 (DCC) 
• R-Value Observed: 
  0.116 (Depositor) 

Starting Model: experimental

Literature

Side-Chain Stacking and Beta-Helix Stability in P22 Tailspike Protein

Becker, M., Mueller, J.J., Weikl, T., Heinemann, U., Seckler, R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content 

• Total Structure Weight: 60.81 kDa 
• Atom Count: 5,250 
• Modeled Residue Count: 556 
• Deposited Residue Count: 559 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
P22 TAILSPIKE PROTEIN,	A	559	Lederbergvirus P22	Mutation(s): 1  EC: 3.2.1
UniProt
Find proteins for P12528 (Salmonella phage P22) Explore P12528  Go to UniProtKB:  P12528

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	F [auth A], G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	B [auth A], C [auth A], D [auth A], E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	H [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.145 (Depositor), 0.154 (DCC) 
• R-Value Work:  0.114 (Depositor), 0.128 (DCC) 
• R-Value Observed: 0.116 (Depositor) 

Space Group: P 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.99	α = 90
b = 119.99	β = 90
c = 119.99	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-16 
Deposition Author(s): Becker, M., Mueller, J.J., Heinemann, U., Seckler, R.

Revision History  

• Version 1.0: 2008-12-16
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description