1HQ4

STRUCTURE OF NATIVE CATALYTIC ANTIBODY HA5-19A4

• PDB DOI: https://doi.org/10.2210/pdb1HQ4/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Mutation(s): No 


• Deposited: 2000-12-14 Released: 2003-06-03 
• Deposition Author(s): Paschall, C.M., Hasserodt, J., Lerner, R.A., Janda, K.D., Christianson, D.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.265 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 

Starting Model: experimental

Literature

Polyene Cyclization Reactions

Paschall, C.M.

(2000) Thesis 

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 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 94.08 kDa 
• Atom Count: 6,617 
• Modelled Residue Count: 862 
• Deposited Residue Count: 866 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ANTIBODY HA5-19A4 FAB LIGHT CHAIN	A, C	215	Mus musculus	Mutation(s): 0
UniProt
Find proteins for A0A5E3 (Mus musculus) Explore A0A5E3  Go to UniProtKB:  A0A5E3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ANTIBODY HA5-19A4 FAB HEAVY CHAIN	B, D	218	Mus musculus	Mutation(s): 0
UniProt
Find proteins for P01867 (Mus musculus) Explore P01867  Go to UniProtKB:  P01867

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD	E [auth A], F [auth C]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.265 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.9	α = 90
b = 88.7	β = 91.1
c = 72.9	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-06-03 
Deposition Author(s): Paschall, C.M., Hasserodt, J., Lerner, R.A., Janda, K.D., Christianson, D.W.

Revision History  

• Version 1.0: 2003-06-03
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-09
  Changes: Data collection, Database references, Derived calculations, Refinement description