8JG4

Crystal Structure of YAF9A YEATS bound to H3K27cr peptide

• PDB DOI: https://doi.org/10.2210/pdb8JG4/pdb

• Classification: TRANSCRIPTION
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-05-19 Released: 2024-05-22 
• Deposition Author(s): Li, H.T., Liu, W.Q.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.212 
• R-Value Work: 0.172 
• R-Value Observed: 0.175 

Starting Model: experimental

Literature

Crystal Structure of YAF9A YEATS bound to H3K27cr peptide

Li, H.T., Liu, W.Q.

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: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 44.23 kDa 
• Atom Count: 2,739 
• Modelled Residue Count: 319 
• Deposited Residue Count: 394 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription initiation factor TFIID subunit 14b	A, B	189	Arabidopsis thaliana	Mutation(s): 0  Gene Names: TAF14B, GAS41, YAF9A, At5g45600, K2N11.8
UniProt
Find proteins for Q9FH40 (Arabidopsis thaliana) Explore Q9FH40  Go to UniProtKB:  Q9FH40

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H3.1	C, D	8	Arabidopsis thaliana	Mutation(s): 0
UniProt
Find proteins for P59226 (Arabidopsis thaliana) Explore P59226  Go to UniProtKB:  P59226

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
KCR	C, D	L-PEPTIDE LINKING	C10 H18 N2 O3		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.212 
• R-Value Work: 0.172 
• R-Value Observed: 0.175 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.331	α = 90
b = 117.7	β = 90
c = 59.053	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-22 
Deposition Author(s): Li, H.T., Liu, W.Q.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2024-05-22
  Type: Initial release