3I1H

Crystal structure of human BFL-1 in complex with BAK BH3 peptide

• PDB DOI: https://doi.org/10.2210/pdb3I1H/pdb

• Classification: APOPTOSIS
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-06-26 Released: 2009-07-14 
• Deposition Author(s): Guan, R., Xiao, R., Zhao, L., Acton, T., White, E., Gelinas, C., Montelione, G.T., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.238 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 

Starting Model: experimental

Literature

crystal structure of human BFL-1 in complex with BAK BH3 peptide

Guan, R., Xiao, R., Zhao, L., Acton, T., White, E., Gelinas, C., Montelione, G.T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 20.39 kDa 
• Atom Count: 1,315 
• Modelled Residue Count: 158 
• Deposited Residue Count: 177 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein BFL-1	A	161	Homo sapiens	Mutation(s): 0  Gene Names: BCL2A1, BCL2L5, BFL1, GRS, HBPA1
UniProt & NIH Common Fund Data Resources
Find proteins for Q16548 (Homo sapiens) Explore Q16548  Go to UniProtKB:  Q16548
PHAROS:  Q16548 GTEx:  ENSG00000140379

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Apoptosis regulator BAK	B	16	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q16611 (Homo sapiens) Explore Q16611  Go to UniProtKB:  Q16611
PHAROS:  Q16611 GTEx:  ENSG00000030110

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSD	A	L-PEPTIDE LINKING	C3 H7 N O4 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.238 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.236	α = 90
b = 43.145	β = 114.45
c = 46.068	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
AMoRE	phasing
CNS	refinement
CrystalClear	data reduction
CrystalClear	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-07-14 
Deposition Author(s): Guan, R., Xiao, R., Zhao, L., Acton, T., White, E., Gelinas, C., Montelione, G.T., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2009-07-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2014-11-12
  Changes: Non-polymer description
• Version 1.3: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-11-20
  Changes: Structure summary