3FB2

Crystal structure of the human brain alpha spectrin repeats 15 and 16. Northeast Structural Genomics Consortium target HR5563a.

• PDB DOI: https://doi.org/10.2210/pdb3FB2/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-11-18 Released: 2008-11-25 
• Deposition Author(s): Vorobiev, S.M., Su, M., Seetharaman, J., Shastry, R., Foote, E.L., Ciccosanti, C., Janjua, H., Xiao, R., Acton, T.B., Montelione, G.T., Tong, L., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.248 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.219 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.219 (Depositor) 

Literature

Crystal structure of the human brain alpha spectrin repeats 15 and 16.

Vorobiev, S.M., Su, M., Seetharaman, J., Shastry, R., Foote, E.L., Ciccosanti, C., Janjua, H., Xiao, R., Acton, T.B., Montelione, G.T., Tong, L., Hunt, J.F.

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 Evidence: assay for oligomerization

Biological Assembly 2  

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

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

Biological Assembly Evidence: assay for oligomerization

Macromolecule Content

• Total Structure Weight: 51.33 kDa 
• Atom Count: 3,459 
• Modelled Residue Count: 390 
• Deposited Residue Count: 436 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spectrin alpha chain, brain spectrin	A, B	218	Homo sapiens	Mutation(s): 0  Gene Names: SPTA2, SPTAN1
UniProt & NIH Common Fund Data Resources
Find proteins for Q13813 (Homo sapiens) Explore Q13813  Go to UniProtKB:  Q13813
PHAROS:  Q13813 GTEx:  ENSG00000197694

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.248 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.219 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.219 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.61	α = 90
b = 96.376	β = 90
c = 111.145	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
SnB	phasing
RESOLVE	model building
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-11-25 
Deposition Author(s): Vorobiev, S.M., Su, M., Seetharaman, J., Shastry, R., Foote, E.L., Ciccosanti, C., Janjua, H., Xiao, R., Acton, T.B., Montelione, G.T., Tong, L., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2008-11-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-11-20
  Changes: Structure summary