2A77 | pdb_00002a77

Anti-Cocaine Antibody 7.5.21, Crystal Form II

• PDB DOI: https://doi.org/10.2210/pdb2A77/pdb

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


• Deposited: 2005-07-04 Released: 2005-07-12 
• Deposition Author(s): Pozharski, E., Hewagama, A., Shanafelt, A., Ringe, D., Petsko, G.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.263 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.218 (Depositor), 0.220 (DCC) 

Starting Model: experimental

Literature

Flexibility of Packing: Four Crystal Forms of an Anti-Cocaine Antibody 7.5.21

Pozharski, E., Hewagama, A., Shanafelt, A., Ringe, D., Petsko, G.A.

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 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 48.98 kDa 
• Atom Count: 3,755 
• Modeled Residue Count: 433 
• Deposited Residue Count: 438 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin Light Chain	A [auth L]	216	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin Heavy Chain	B [auth H]	222	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth L], D [auth L], E [auth L], H, I [auth H], J [auth H]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	F [auth L], G [auth L], K [auth H], L [auth H], M [auth H], N [auth H], O [auth H]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.263 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.218 (Depositor), 0.220 (DCC) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.41	α = 90
b = 81.857	β = 112.09
c = 61.608	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-07-12 
Deposition Author(s): Pozharski, E., Hewagama, A., Shanafelt, A., Ringe, D., Petsko, G.A.

Revision History  

• Version 1.0: 2005-07-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-10-30
  Changes: Structure summary