6NNX

Crystal Structure of the All-Trans Retinal-Bound R111K:Y134F:T54V:R132Q:P39Y:R59Y:L121M Mutant of Human Cellular Retinoic Acid Binding Protein II in the Dark at 1.87 Angstrom Resolution

• PDB DOI: https://doi.org/10.2210/pdb6NNX/pdb

• Classification: LIPID BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Bacterial expression vector pBEN1-SGC
• Mutation(s): Yes 


• Deposited: 2019-01-15 Released: 2019-01-30 
• Deposition Author(s): Ghanbarpour, A., Geiger, J.
• Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.87 Å
• R-Value Free: 0.240 
• R-Value Work: 0.208 
• R-Value Observed: 0.211 

Starting Model: experimental

Literature

Crystal Structure of the All-Trans Retinal-Bound R111K:Y134F:T54V:R132Q:P39Y:R59Y:L121M Mutant of Human Cellular Retionic Acid Binding Protein II in the Dark at 1.87 Angstrom Resolution

Ghanbarpour, A., Geiger, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 15.88 kDa 
• Atom Count: 1,207 
• Modelled Residue Count: 137 
• Deposited Residue Count: 137 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cellular retinoic acid-binding protein 2	A	137	Homo sapiens	Mutation(s): 7  Gene Names: CRABP2
UniProt & NIH Common Fund Data Resources
Find proteins for P29373 (Homo sapiens) Explore P29373  Go to UniProtKB:  P29373
PHAROS:  P29373 GTEx:  ENSG00000143320

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
RET (Subject of Investigation/LOI)	B [auth A]	RETINAL C20 H28 O NCYCYZXNIZJOKI-OVSJKPMPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.87 Å
• R-Value Free: 0.240 
• R-Value Work: 0.208 
• R-Value Observed: 0.211 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.842	α = 90
b = 58.842	β = 90
c = 99.535	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-01-30 
Deposition Author(s): Ghanbarpour, A., Geiger, J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	--

Revision History  

• Version 1.0: 2019-01-30
  Type: Initial release
  
• Version 1.1: 2019-12-18
  Changes: Author supporting evidence
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-10-09
  Changes: Structure summary