7SFY

Crystal structure of human Mis18ab_cc

• PDB DOI: https://doi.org/10.2210/pdb7SFY/pdb

• Classification: CELL CYCLE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-10-04 Released: 2023-04-12 
• Deposition Author(s): Park, S.H., Cho, U.
• Funding Organization(s): National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.248 
• R-Value Observed: 0.249 

Literature

Structural Basis for Mis18 Complex Assembly: Implications for Centromere Maintenance

Park, S.H., Shimanaka, K., Cho, U.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Homo 3-mer - A3 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

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

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Homo 3-mer - A3 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 30.75 kDa 
• Atom Count: 1,643 
• Modelled Residue Count: 202 
• Deposited Residue Count: 268 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein Mis18-alpha	A, B, D, E	46	Homo sapiens	Mutation(s): 0  Gene Names: MIS18A, C21orf45, C21orf46, FASP1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NYP9 (Homo sapiens) Explore Q9NYP9  Go to UniProtKB:  Q9NYP9
PHAROS:  Q9NYP9 GTEx:  ENSG00000159055

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein Mis18-beta	C, F	42	Homo sapiens	Mutation(s): 0  Gene Names: OIP5, MIS18B
UniProt & NIH Common Fund Data Resources
Find proteins for O43482 (Homo sapiens) Explore O43482  Go to UniProtKB:  O43482
PHAROS:  O43482 GTEx:  ENSG00000104147

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.248 
• R-Value Observed: 0.249 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.501	α = 90
b = 101.815	β = 90
c = 88.563	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
xia2	data scaling
AutoSol	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-12 
Deposition Author(s): Park, S.H., Cho, U.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	DK111465

Revision History  

• Version 1.0: 2023-04-12
  Type: Initial release