2WMB

Structural and thermodynamic consequences of cyclization of peptide ligands for the recruitment site of cyclin A

• PDB DOI: https://doi.org/10.2210/pdb2WMB/pdb

• Classification: CELL CYCLE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli, Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2009-06-30 Released: 2010-09-01 
• Deposition Author(s): Robertson, G.F., Endicott, J.A., Noble, M.E.M., McDonnell, J.M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.296 
• R-Value Work: 0.226 
• R-Value Observed: 0.230 

Starting Model: experimental

Literature

Structural and Thermodynamic Consequences of Cyclization of Peptide Ligands for the Recruitment Site of Cyclin A

Robertson, G.F., Endicott, J.A., Noble, M.E.M., Mcdonnell, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 129.15 kDa 
• Atom Count: 8,855 
• Modelled Residue Count: 1,085 
• Deposited Residue Count: 1,129 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CELL DIVISION PROTEIN KINASE 2	A, C	303	Homo sapiens	Mutation(s): 0  EC: 2.7.11.22
UniProt & NIH Common Fund Data Resources
Find proteins for P24941 (Homo sapiens) Explore P24941  Go to UniProtKB:  P24941
PHAROS:  P24941 GTEx:  ENSG00000123374

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CYCLIN-A2	B, D	259	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P20248 (Homo sapiens) Explore P20248  Go to UniProtKB:  P20248
PHAROS:  P20248 GTEx:  ENSG00000145386

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
LINEAR RKLFD	E [auth I]	5	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	F [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	A, C	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.296 
• R-Value Work: 0.226 
• R-Value Observed: 0.230 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.747	α = 90
b = 134.223	β = 90
c = 148.236	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-01 
Deposition Author(s): Robertson, G.F., Endicott, J.A., Noble, M.E.M., McDonnell, J.M.

Revision History  

• Version 1.0: 2010-09-01
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description