3A1J

Crystal structure of the human Rad9-Hus1-Rad1 complex

• PDB DOI: https://doi.org/10.2210/pdb3A1J/pdb

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


• Deposited: 2009-04-08 Released: 2009-06-02 
• Deposition Author(s): Sohn, S.Y., Cho, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.282 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 92.26 kDa 
• Atom Count: 6,467 
• Modelled Residue Count: 797 
• Deposited Residue Count: 810 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cell cycle checkpoint control protein RAD9A	A	266	Homo sapiens	Mutation(s): 0  Gene Names: Rad9(1-272) EC: 3.1.11.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q99638 (Homo sapiens) Explore Q99638  Go to UniProtKB:  Q99638
PHAROS:  Q99638 GTEx:  ENSG00000172613

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Checkpoint protein HUS1	B	281	Homo sapiens	Mutation(s): 0  Gene Names: HUS1
UniProt & NIH Common Fund Data Resources
Find proteins for O60921 (Homo sapiens) Explore O60921  Go to UniProtKB:  O60921
PHAROS:  O60921 GTEx:  ENSG00000136273

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Cell cycle checkpoint protein RAD1	C	263	Homo sapiens	Mutation(s): 0  Gene Names: RAD1 EC: 3.1.11.2
UniProt & NIH Common Fund Data Resources
Find proteins for O60671 (Homo sapiens) Explore O60671  Go to UniProtKB:  O60671
PHAROS:  O60671 GTEx:  ENSG00000113456

Oligosaccharides

Help

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose	D	2		N/A
Glycosylation Resources
GlyTouCan:  G05551OP GlyCosmos:  G05551OP

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 4
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900003	D	sucrose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.282 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.154	α = 90
b = 70.776	β = 99.2
c = 86.661	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-06-02 
Deposition Author(s): Sohn, S.Y., Cho, Y.

Revision History  

• Version 1.0: 2009-06-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary