5K99

Crystal structure of microcin immunity protein MccF from Bacillus anthracis in complex with McC

• PDB DOI: https://doi.org/10.2210/pdb5K99/pdb

• Classification: HYDROLASE/ANTIBIOTIC
• Organism(s): Bacillus anthracis str. Sterne, synthetic construct
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-05-31 Released: 2017-03-22 
• Deposition Author(s): Nocek, B., Kulikovsky, A., Severinov, K., Dubiley, S., Joachimiak, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.153 
• R-Value Work: 0.132 
• R-Value Observed: 0.133 

Starting Model: experimental

Literature

Crystal structure of microcin immunity protein MccF from Bacillus anthracis in complex with McC

Nocek, B., Kulikovsky, A., Severinov, K., Dubiley, S., Joachimiak, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 79.02 kDa 
• Atom Count: 6,507 
• Modelled Residue Count: 681 
• Deposited Residue Count: 686 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Microcin C7 self-immunity protein mccF	A, C [auth B]	336	Bacillus anthracis str. Sterne	Mutation(s): 0  Gene Names: mccF, BA_1949, BASH2_03908
UniProt
Find proteins for A0A6L8PEJ7 (Bacillus anthracis) Explore A0A6L8PEJ7  Go to UniProtKB:  A0A6L8PEJ7

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Microcin C	B [auth C], D	7	synthetic construct	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AMP	E [auth C], F [auth D]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, C [auth B]	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET
XSN	B [auth C], D	L-PEPTIDE LINKING	C4 H8 N2 O3		ASN

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.153 
• R-Value Work: 0.132 
• R-Value Observed: 0.133 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 118.275	α = 90
b = 118.275	β = 90
c = 55.698	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-03-22 
Deposition Author(s): Nocek, B., Kulikovsky, A., Severinov, K., Dubiley, S., Joachimiak, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2017-03-22
  Type: Initial release
  
• Version 1.1: 2019-07-10
  Changes: Data collection, Structure summary
• Version 1.2: 2023-09-27
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2023-11-15
  Changes: Data collection
• Version 2.0: 2024-05-15
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Polymer sequence, Source and taxonomy, Structure summary