7Q77

Room temperature structure of RNase A at 50 MPa helium gas pressure in a sapphire capillary

• PDB DOI: https://doi.org/10.2210/pdb7Q77/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Expression System: Bos taurus
• Mutation(s): No 


• Deposited: 2021-11-09 Released: 2022-11-16 
• Deposition Author(s): Lieske, J., Guenther, S., Saouane, S., Meents, A.
• Funding Organization(s): German Federal Ministry for Education and Research

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.188 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 

Starting Model: experimental

Literature

Fixed-target high-pressure macromolecular crystallography

Lieske, J., Saouane, S., Guenther, S., Meyer, J., Pakendorf, T., Reime, B., Burkhardt, A., Crosas, E., Hakanpaeae, J., Stachnik, K., Sieg, J., Rarey, M., Abdellatif, M.H., Gabdulkhakov, A.G., Selikhanov, G.K., Chapman, H.N., Meents, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 14.03 kDa 
• Atom Count: 1,135 
• Modelled Residue Count: 124 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease pancreatic	A	124	Bos taurus	Mutation(s): 0  Gene Names: RNASE1, RNS1 EC: 4.6.1.18
UniProt
Find proteins for P61823 (Bos taurus) Explore P61823  Go to UniProtKB:  P61823

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	G [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.188 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.49	α = 90
b = 64.49	β = 90
c = 64.93	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-16 
Deposition Author(s): Lieske, J., Guenther, S., Saouane, S., Meents, A.

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Funding Organization	Location	Grant Number
German Federal Ministry for Education and Research	Germany	031B0405A

Revision History  

• Version 1.0: 2022-11-16
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description
• Version 1.2: 2024-10-09
  Changes: Structure summary