7QTM

Transition state analogue of small G protein in complex with relevant GAP

• PDB DOI: https://doi.org/10.2210/pdb7QTM/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-01-14 Released: 2023-01-25 
• Deposition Author(s): Baumann, P., Jin, Y.
• Funding Organization(s): Wellcome Trust

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 
  0.304 (Depositor), 0.310 (DCC) 
• R-Value Work: 
  0.220 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.224 (Depositor) 

Starting Model: experimental

Literature

Transition state analogue of small G protein in complex with relevant GAP

Baumann, P., Jin, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: NMR relaxation study

Macromolecule Content

• Total Structure Weight: 99.44 kDa 
• Atom Count: 6,084 
• Modelled Residue Count: 731 
• Deposited Residue Count: 872 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Rho GTPase-activating protein 1	A, C [auth H]	244	Homo sapiens	Mutation(s): 1  Gene Names: ARHGAP1, CDC42GAP, RHOGAP1
UniProt & NIH Common Fund Data Resources
Find proteins for Q07960 (Homo sapiens) Explore Q07960  Go to UniProtKB:  Q07960
PHAROS:  Q07960 GTEx:  ENSG00000175220

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Transforming protein RhoA	B, D [auth I]	192	Homo sapiens	Mutation(s): 1  Gene Names: RHOA, ARH12, ARHA, RHO12 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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP (Subject of Investigation/LOI)	E [auth B], H [auth I]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MGF (Subject of Investigation/LOI)	F [auth B], I	TRIFLUOROMAGNESATE F3 Mg GJOMWUHGUQLOAC-UHFFFAOYSA-K
MG (Subject of Investigation/LOI)	G [auth B], J [auth I]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
F2Y	B, D [auth I]	L-PEPTIDE LINKING	C9 H9 F2 N O3		TYR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free:  0.304 (Depositor), 0.310 (DCC) 
• R-Value Work:  0.220 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.224 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.632	α = 90
b = 66.604	β = 95.02
c = 76.463	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DIALS	data scaling
Coot	model building
DIALS	data reduction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-25 
Deposition Author(s): Baumann, P., Jin, Y.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	209057/Z/17/Z

Revision History  

• Version 1.0: 2023-01-25
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Derived calculations, Refinement description