2OBD

Crystal Structure of Cholesteryl Ester Transfer Protein

• PDB DOI: https://doi.org/10.2210/pdb2OBD/pdb

• Classification: LIPID TRANSPORT
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): Yes 
• Membrane Protein: Yes  OPM


• Deposited: 2006-12-18 Released: 2007-01-23 
• Deposition Author(s): Qiu, X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.265 
• R-Value Work: 0.217 
• R-Value Observed: 0.220 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 57.49 kDa 
• Atom Count: 4,465 
• Modelled Residue Count: 472 
• Deposited Residue Count: 476 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cholesteryl ester transfer protein	A	476	Homo sapiens	Mutation(s): 6  Gene Names: CETP Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P11597 (Homo sapiens) Explore P11597  Go to UniProtKB:  P11597
PHAROS:  P11597 GTEx:  ENSG00000087237

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	B	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PCW	F [auth A], G [auth A]	1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE C44 H85 N O8 P SNKAWJBJQDLSFF-NVKMUCNASA-O
2OB	D [auth A], E [auth A]	CHOLESTERYL OLEATE C45 H78 O2 RJECHNNFRHZQKU-RMUVNZEASA-N
EPE	H [auth A]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-UHFFFAOYSA-N
1PE	I [auth A], J [auth A]	PENTAETHYLENE GLYCOL C10 H22 O6 JLFNLZLINWHATN-UHFFFAOYSA-N
PG4	K [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.265 
• R-Value Work: 0.217 
• R-Value Observed: 0.220 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.78	α = 90
b = 70.32	β = 90
c = 187.62	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-23 
Deposition Author(s): Qiu, X.

Revision History  

• Version 1.0: 2007-01-23
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2017-11-29
  Changes: Advisory, Atomic model, Derived calculations, Non-polymer description, Structure summary
• Version 3.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 4.0: 2021-10-20
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Source and taxonomy, Structure summary
• Version 4.1: 2023-12-27
  Changes: Data collection