4MI1

Crystal structure of the double mutant (S112A, H303A) of B.anthracis mycrocine immunity protein (MccF) with aspartyl sulfamoyl adenylates

• PDB DOI: https://doi.org/10.2210/pdb4MI1/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Bacillus anthracis str. Ames
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2013-08-30 Released: 2014-04-23 
• Deposition Author(s): Nocek, B., Severinov, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.158 
• R-Value Work: 0.128 
• R-Value Observed: 0.129 

Starting Model: experimental

Literature

Crystal structure of the double mutant (S112A, H303A) of B.anthracis mycrocine immunity protein (MccF) with aspartyl sulfamoyl adenylates

Nocek, B., Severinov, K., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 77.84 kDa 
• Atom Count: 5,980 
• Modelled Residue Count: 668 
• Deposited Residue Count: 672 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Microcin immunity protein MccF	A, B	336	Bacillus anthracis str. Ames	Mutation(s): 2  Gene Names: BA_1949, BAS1809, GBAA_1949
UniProt
Find proteins for A0A6L8PEJ7 (Bacillus anthracis) Explore A0A6L8PEJ7  Go to UniProtKB:  A0A6L8PEJ7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DSZ	C [auth A], D [auth B]	5'-O-(L-alpha-aspartylsulfamoyl)adenosine C14 H19 N7 O9 S KMRBRMHHDAUXAY-UFIIOMENSA-N
SO4	E [auth B], F [auth B], G [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

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: 1.40 Å
• R-Value Free: 0.158 
• R-Value Work: 0.128 
• R-Value Observed: 0.129 
• Space Group: P 4₃
• Diffraction Data: https://doi.org/10.18430/m34mi1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 117.894	α = 90
b = 117.894	β = 90
c = 55.984	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
MOLREP	phasing
CCP4	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
CCP4	phasing
SBC-Collect	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-04-23 
Deposition Author(s): Nocek, B., Severinov, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2014-04-23
  Type: Initial release
  
• Version 1.1: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2023-12-06
  Changes: Data collection
• Version 1.4: 2024-10-30
  Changes: Structure summary