121P

STRUKTUR UND GUANOSINTRIPHOSPHAT-HYDROLYSEMECHANISMUS DES C-TERMINAL VERKUERZTEN MENSCHLICHEN KREBSPROTEINS P21-H-RAS

• PDB DOI: https://doi.org/10.2210/pdb121P/pdb

• Classification: ONCOGENE PROTEIN
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1991-06-06 Released: 1994-01-31 
• Deposition Author(s): Krengel, U., Scheffzek, K., Scherer, A., Kabsch, W., Wittinghofer, A., Pai, E.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Work: 0.195 
• R-Value Observed: 0.195 

Literature

Struktur Und Guanosintriphosphat-Hydrolysemechanismus Des C-Terminal Verkuerzten Menschlichen Krebsproteins P21-H-Ras

Krengel, U.

(1991) Thesis 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 19.42 kDa 
• Atom Count: 1,550 
• Modelled Residue Count: 166 
• Deposited Residue Count: 166 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
H-RAS P21 PROTEIN	A	166	Homo sapiens	Mutation(s): 0  EC: 3.6.5.2
UniProt & NIH Common Fund Data Resources
Find proteins for P01112 (Homo sapiens) Explore P01112  Go to UniProtKB:  P01112
PHAROS:  P01112 GTEx:  ENSG00000174775

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GCP	C [auth A]	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER C11 H18 N5 O13 P3 PHBDHXOBFUBCJD-KQYNXXCUSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Work: 0.195 
• R-Value Observed: 0.195 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.2	α = 90
b = 40.2	β = 90
c = 161.4	γ = 120

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1994-01-31 
Deposition Author(s): Krengel, U., Scheffzek, K., Scherer, A., Kabsch, W., Wittinghofer, A., Pai, E.F.

Revision History  

• Version 1.0: 1994-01-31
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations