8SMO

Crystal structure of the complex between truncated MLLE domain of PABPC1 and engineered superPAM2 peptide

• PDB DOI: https://doi.org/10.2210/pdb8SMO/pdb

• Classification: PEPTIDE BINDING PROTEIN
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-04-26 Released: 2024-05-01 
• Deposition Author(s): Kozlov, G., Gehring, K.
• Funding Organization(s): Canadian Institutes of Health Research (CIHR)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.292 
• R-Value Work: 0.256 
• R-Value Observed: 0.259 

Literature

Crystal structure of the complex between truncated MLLE domain of PABPC1 and engineered superPAM2 peptide

Behvarmanesh, A., Kozlov, G., Chen, Y.S., Gehring, K.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: isothermal titration calorimetry

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

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

Biological assembly 5 assigned by authors.

Biological Assembly 6  

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

Biological assembly 6 assigned by authors.

Biological Assembly 7  

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

Biological assembly 7 assigned by authors.

Biological Assembly 8  

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

Biological assembly 8 assigned by authors.

Macromolecule Content

• Total Structure Weight: 86.31 kDa 
• Atom Count: 4,911 
• Modelled Residue Count: 710 
• Deposited Residue Count: 784 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyadenylate-binding protein 1	A, C, E, G, I, K, M, O	76	Homo sapiens	Mutation(s): 0  Gene Names: PABPC1, PAB1, PABP, PABP1, PABPC2
UniProt & NIH Common Fund Data Resources
Find proteins for P11940 (Homo sapiens) Explore P11940  Go to UniProtKB:  P11940
PHAROS:  P11940 GTEx:  ENSG00000070756

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
superPAM2	B, D, F, H, J, L, N, P	22	synthetic construct	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	Q [auth A], R [auth C], S [auth E], T [auth G], U [auth I], V [auth K]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.292 
• R-Value Work: 0.256 
• R-Value Observed: 0.259 
• Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.275	α = 90
b = 108.275	β = 90
c = 75.866	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-01 
Deposition Author(s): Kozlov, G., Gehring, K.

---

Funding Organization	Location	Grant Number
Canadian Institutes of Health Research (CIHR)	Canada	--

Revision History  

• Version 1.0: 2024-05-01
  Type: Initial release