Macromolecule Content

• Total Structure Weight: 16213.63 
• Atom Count: 1141 
• Residue Count: 136 
• Unique protein chains: 2

2RNY

Complex Structures of CBP Bromodomain with H4 ack20 Peptide

• DOI: 10.2210/pdb2RNY/pdb

• Classification: TRANSFERASE/NUCLEAR PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21


• Deposited: 2008-02-03 Released: 2008-05-06 
• Deposition Author(s): Zeng, L., Zhang, Q., Gerona-Navarro, G., Zhou, M.M.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

Structural Basis of Site-Specific Histone Recognition by the Bromodomains of Human Coactivators PCAF and CBP/p300

Zeng, L., Zhang, Q., Gerona-Navarro, G., Moshkina, N., Zhou, M.M.

(2008) Structure 16: 643-652

• PubMed: 18400184 
• DOI: 10.1016/j.str.2008.01.010
• Primary Citation of Related Structures:  
  2RNX, 2RNW


• PubMed Abstract: 
  

Histone lysine acetylation is central to epigenetic control of gene transcription. Bromodomains of chromosomal proteins function as acetyl-lysine (Kac) binding domains. However, how bromodomains recognize site-specific histones remains unanswered. Here, we report three three-dimensional solution structures of the bromodomains of the human transcriptional coactivators CREB-binding protein (CBP) and p300/CBP-associated factor (PCAF) bound to peptides derived from histone acetylation sites at lysines 36 and 9 in H3, and lysine 20 in H4. From structural and biochemical binding analyses, we determine consensus histone recognition by the bromodomains of PCAF and CBP, which represent two different subgroups of the bromodomain family. Through bromodomain residues in the ZA and BC loops, PCAF prefers acetylation sites with a hydrophobic residue at (Kac+2) position and a positively charged or aromatic residue at (Kac+3), whereas CBP favors bulky hydrophobic residues at (Kac+1) and (Kac+2), a positively charged residue at (Kac-1), and an aromatic residue at (Kac-2).

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Organizational Affiliation: 

Department of Structural and Chemical Biology, Mount Sinai School of Medicine, New York University, New York, NY 10029, USA.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
CREB-binding protein	A	121	Homo sapiens	Mutation(s): 0  Gene Names: CREBBP (CBP) EC: 2.3.1.48
Find proteins for Q92793 (Homo sapiens) Go to Gene View: CREBBP Go to UniProtKB:  Q92793

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
Histone H4	B	15	Homo sapiens	Mutation(s): 0  Gene Names: HIST1H4A, HIST1H4B, HIST1H4C, HIST1H4D, HIST1H4E, HIST1H4F, HIST1H4H, HIST1H4I, HIST1H4J, HIST1H4K, HIST1H4L, HIST2H4A, HIST2H4B, HIST4H4 (H4/A, H4FA, H4/I, H4FI, H4/G, H4FG, H4/B, H4FB, H4/J, H4FJ, H4/C, H4FC, H4/H, H4FH, H4/M, H4FM, H4/E, H4FE, H4/D, H4FD, H4/K, H4FK, H4/N, H4F2, H4FN, HIST2H4, H4/O, H4FO)
Find proteins for P62805 (Homo sapiens) Go to Gene View: HIST1H4A HIST1H4B HIST1H4C HIST1H4D HIST1H4E HIST1H4F HIST1H4H HIST1H4I HIST1H4J HIST1H4K HIST1H4L HIST2H4A HIST2H4B HIST4H4 Go to UniProtKB:  P62805

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
ALY	B	L-PEPTIDE LINKING	C8 H16 N2 O3		LYS

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 
• Olderado: 2RNY Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2008-02-03 
• Released Date: 2008-05-06 
• Deposition Author(s): Zeng, L., Zhang, Q., Gerona-Navarro, G., Zhou, M.M.

Revision History 

• Version 1.0: 2008-05-06
  Type: Initial release
• Version 1.1: 2011-07-13
  Type: Version format compliance