4O37

seminsynthetic RNase S1-15-3Pl-7/11

• PDB DOI: https://doi.org/10.2210/pdb4O37/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Mutation(s): Yes 


• Deposited: 2013-12-18 Released: 2014-05-07 
• Deposition Author(s): Genz, M., Strater, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.211 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 

Starting Model: experimental

Literature

An Artificial Imine Reductase based on the Ribonuclease S Scaffold

Genz, M., Koehler, V., Krauss, M., Singer, D., Hoffmann, R., Ward, T.R., Strater, N.

(2014) ChemCatChem 

• DOI: https://doi.org/10.1002/cctc.201300995

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 13.56 kDa 
• Atom Count: 1,115 
• Modelled Residue Count: 117 
• Deposited Residue Count: 119 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease pancreatic, S-peptide	A	15	Bos taurus	Mutation(s): 3  EC: 3.1.27.5 (PDB Primary Data), 4.6.1.18 (UniProt)
UniProt
Find proteins for P61823 (Bos taurus) Explore P61823  Go to UniProtKB:  P61823

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease pancreatic, S-protein	B	104	Bos taurus	Mutation(s): 0  EC: 3.1.27.5 (PDB Primary Data), 4.6.1.18 (UniProt)
UniProt
Find proteins for P61823 (Bos taurus) Explore P61823  Go to UniProtKB:  P61823

Small Molecules

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

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
NLE	A	L-PEPTIDE LINKING	C6 H13 N O2		LEU

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.211 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.82	α = 90
b = 43.82	β = 90
c = 96.9	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-07 
Deposition Author(s): Genz, M., Strater, N.

Revision History  

• Version 1.0: 2014-05-07
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2023-12-06
  Changes: Data collection
• Version 1.4: 2024-10-30
  Changes: Structure summary