5MHE

Crystal structure of anti-T4 Fab fragment with T4

• PDB DOI: https://doi.org/10.2210/pdb5MHE/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2016-11-24 Released: 2018-08-08 
• Deposition Author(s): Parkkinen, T., Rouvinen, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.227 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.181 (Depositor) 

Starting Model: experimental

Literature

Crystal structures of anti-T4 Fab fragment

Parkkinen, T., Rouvinen, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 49.75 kDa 
• Atom Count: 3,673 
• Modelled Residue Count: 432 
• Deposited Residue Count: 448 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab-fragment	A [auth L]	213	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab-fragment	B [auth H]	235	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
T44	D [auth H]	3,5,3',5'-TETRAIODO-L-THYRONINE C15 H11 I4 N O4 XUIIKFGFIJCVMT-LBPRGKRZSA-N
SO4	C [auth L]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth H], F [auth H]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.227 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.181 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 131.73	α = 90
b = 55.33	β = 97.77
c = 61.16	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-08-08 
Deposition Author(s): Parkkinen, T., Rouvinen, J.

Revision History  

• Version 1.0: 2018-08-08
  Type: Initial release
  
• Version 2.0: 2023-11-15
  Changes: Atomic model, Data collection, Database references
• Version 2.1: 2024-01-17
  Changes: Refinement description