7K7M

Crystal Structure of a membrane protein

• PDB DOI: https://doi.org/10.2210/pdb7K7M/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Mycolicibacterium smegmatis MC2 155
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2020-09-23 Released: 2021-09-22 
• Deposition Author(s): Su, C.-C.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.33 Å
• R-Value Free: 0.321 
• R-Value Work: 0.267 
• R-Value Observed: 0.270 

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: microscopy

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 174.01 kDa 
• Atom Count: 11,641 
• Modelled Residue Count: 1,513 
• Deposited Residue Count: 1,572 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Drug exporters of the RND superfamily-like protein	A, B	786	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: mmpL3, MSMEI_0243 Membrane Entity: Yes
UniProt
Find proteins for A0QP27 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore A0QP27  Go to UniProtKB:  A0QP27

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-1)-6-O-decanoyl-alpha-D-glucopyranose	C, D, E, F	2	N/A	N/A
Glycosylation Resources
GlyTouCan:  G09270FF GlyCosmos:  G09270FF

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900093	C, D, E, F	6-decanoyl-trehalose	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.33 Å
• R-Value Free: 0.321 
• R-Value Work: 0.267 
• R-Value Observed: 0.270 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 180.378	α = 90
b = 147.71	β = 120.89
c = 138.192	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASES	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-09-22 
Deposition Author(s): Su, C.-C.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2021-09-22
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description