7MMX

CutN from Type I Cut MCP

• PDB DOI: https://doi.org/10.2210/pdb7MMX/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Streptococcus intermedius SK54 = ATCC 27335
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2021-04-30 Released: 2021-09-08 
• Deposition Author(s): Ochoa, J.M., Sawaya, M.R., Yeates, T.O.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.212 
• R-Value Observed: 0.214 

Starting Model: experimental

Literature

Structural characterization of hexameric shell proteins from two types of choline-utilization bacterial microcompartments

Ochoa, J.M., Mijares, O., Acosta, A.A., Escoto, X., Leon-Rivera, N., Marshall, J.D., Sawaya, M.R., Yeates, T.O.

(2021) Acta Crystallogr F Struct Biol Commun 77: 275-285

• DOI: https://doi.org/10.1107/S2053230X21007470

Biological Assembly 1  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 61.94 kDa 
• Atom Count: 3,798 
• Modelled Residue Count: 522 
• Deposited Residue Count: 594 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Propanediol utilization protein PduA	A, B, C, D, E, F	99	Streptococcus intermedius SK54 = ATCC 27335	Mutation(s): 1  Gene Names: HMPREF1654_00408

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	G [auth A], H [auth C], I [auth C], J [auth E]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.212 
• R-Value Observed: 0.214 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.5	α = 90
b = 49.66	β = 93.83
c = 92.41	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
XSCALE	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-09-08 
Deposition Author(s): Ochoa, J.M., Sawaya, M.R., Yeates, T.O.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	--

Revision History  

• Version 1.0: 2021-09-08
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description