1FTN | pdb_00001ftn

CRYSTAL STRUCTURE OF THE HUMAN RHOA/GDP COMPLEX

• PDB DOI: https://doi.org/10.2210/pdb1FTN/pdb

• Classification: PROTO-ONCOGENE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 1997-03-13 Released: 1998-03-18 
• Deposition Author(s): Wei, Y., Zhang, Y., Derewenda, U., Liu, X., Minor, W., Nakamoto, R.K., Somlyo, A.V., Somlyo, A.P., Derewenda, Z.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.304 (Depositor) 
• R-Value Work: 
  0.186 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of RhoA-GDP and its functional implications.

Wei, Y., Zhang, Y., Derewenda, U., Liu, X., Minor, W., Nakamoto, R.K., Somlyo, A.V., Somlyo, A.P., Derewenda, Z.S.

(1997) Nat Struct Biol 4: 699-703

• PubMed: 9302995 
• DOI: https://doi.org/10.1038/nsb0997-699
• Primary Citation Related Structures: 
  1FTN


• PubMed Abstract: 
  

  RhoA, a ubiquitous intracellular GTPase, mediates cytoskeletal responses to extracellular signals. A 2.1 A resolution crystal structure of the human RhoA-GDP complex shows unique stereochemistry in the switch I region, which results in a novel mode of Mg2+ binding.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 22.23 kDa 
• Atom Count: 1,653 
• Modeled Residue Count: 177 
• Deposited Residue Count: 193 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRANSFORMING PROTEIN RHOA (H12)	A	193	Homo sapiens	Mutation(s): 1  Gene Names: SYNTHETIC HUMAN RHOA GENE EC: 3.6.5.2
UniProt & NIH Common Fund Data Resources
Find proteins for P61586 (Homo sapiens) Explore P61586  Go to UniProtKB:  P61586
PHAROS:  P61586 GTEx:  ENSG00000067560

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP	C [auth A]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.304 (Depositor) 
• R-Value Work:  0.186 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.92	α = 90
b = 65.96	β = 90
c = 83.37	γ = 90

Software Package:

Software Name	Purpose
AMoRE	phasing
MLPHARE	phasing
SHELX-90	model building
SHELX-90	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELX-90	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-03-18 
Deposition Author(s): Wei, Y., Zhang, Y., Derewenda, U., Liu, X., Minor, W., Nakamoto, R.K., Somlyo, A.V., Somlyo, A.P., Derewenda, Z.S.

Revision History  

• Version 1.0: 1998-03-18
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-03
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2022-04-13
  Changes: Database references, Structure summary
• Version 1.5: 2024-02-07
  Changes: Data collection
• Version 1.6: 2024-04-03
  Changes: Refinement description