4M8V | pdb_00004m8v

Crystal structure of Human double mutant beta2-microglobulin Q8H-L65T

• PDB DOI: https://doi.org/10.2210/pdb4M8V/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2013-08-14 Released: 2014-10-15 
• Deposition Author(s): Lai, M.H., Wu, P.H., Li, C.H., Chang, C.C., Chen, C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 
  0.240 (Depositor), 0.246 (DCC) 
• R-Value Work: 
  0.194 (Depositor), 0.203 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Literature

Crystal structure of Human double mutant beta2-microglobulin Q8H-L65T

Lai, M.H., Wu, P.H., Li, C.H., Chang, C.C., Chen, C.J.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 23.75 kDa 
• Atom Count: 1,744 
• Modeled Residue Count: 197 
• Deposited Residue Count: 200 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	A, B	100	Homo sapiens	Mutation(s): 2  Gene Names: B2M, CDABP0092, HDCMA22P
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Explore P61769  Go to UniProtKB:  P61769
PHAROS:  P61769 GTEx:  ENSG00000166710

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free:  0.240 (Depositor), 0.246 (DCC) 
• R-Value Work:  0.194 (Depositor), 0.203 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.827	α = 90
b = 111.926	β = 90
c = 85.656	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-15 
Deposition Author(s): Lai, M.H., Wu, P.H., Li, C.H., Chang, C.C., Chen, C.J.

Revision History  

• Version 1.0: 2014-10-15
  Type: Initial release
  
• Version 1.1: 2018-04-04
  Changes: Data collection
• Version 1.2: 2018-04-18
  Changes: Data collection
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Refinement description, Structure summary